Pinpoint wiper tests (vehicles up to 08.2001)

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PINPOINT TEST A: WIPERS DO NOT WORK

STATES

DETAILS/RESULTS/ACTIONS

A1: CHECK FUSE F55

1 Enter the OFF position.

2 CHECK Fuse F55 (CJB).

3 CHECK FUSE F55 (20 A)

• Is the fuse good?

Yes

Go to A2

No

Install new fuse F55 (20 A). If the fuse blows again, LOCATE and REPAIR the short circuit using the wiring diagrams. CHECK the system is working properly.

A2: CHECK POWER SUPPLY OF F55 FUSE

1 Connect Fuse F55 (CJB).

2 Drive the ON position.

3 Measure the voltage between fuse F55 and "weight ".

• Does the battery voltage register?

Yes

Vehicles with rear window wipers: Go to A3

Vehicles without rear window wipers: Go to A5

No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

A3: CHECK F43 FUSE

1 Enter the OFF position.

2 CHECK Fuse F43 (CJB).

3 CHECK FUSE F43 (15 A)

• Is the fuse good?

Yes

Go to A4

No

Install new fuse F43 (15 A). If the fuse blows again, LOCATE and REPAIR the short circuit using the wiring diagrams. CHECK the system is working properly.

A4: CHECK POWER SUPPLY OF F43 FUSE

1 Connect Fuse F43 (CJB).

2 Drive the ON position.

3 Measure the voltage between fuse F43 and "weight".

• Does the battery voltage register?

Yes

Go to A5

No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

A5: CHECK POWER SUPPLY OF WIPER/WASH SWITCH

1 TEST the system using WDS. If any DTCs are set, deal with those codes. CHECK the system is working properly. If the system fails again, perform the following test steps.

2 Enter the OFF position.

3 Disconnect the Wiper/Washer Switch - C441.

4 Drive the ON position.

5 Measure the voltage between pin 6 of C441 wiper/washer switch circuit 15-KA19 (green/orange), from the wiring side, and "weight".

• Does the battery voltage register?

Yes

Windshield wipers not working: Go to A6

Rear window wipers not working: Go to A8

No

REPAIR short circuit (I) between the wiper/washer switch and C17 CJB pin 1 using the wiring diagrams. CHECK the system is working properly.

A6: CHECK LOW SPEED POWER SUPPLY TO WINDSCREEN WIPER MOTOR

1 Enter the OFF position.

2 Connect Wiper/Washer Switch - C441.

3 Disconnect the Windshield Wiper Motor - C848.

4 Drive the ON position.

5 Set the wiper/washer switch to "LOW SPEED CLEANING".

6 Measure the voltage between pin 5 of the C848 windshield wiper motor circuit 32-KA10 (white/green), from the wiring side, and "weight".

• Does the battery voltage register?

Yes

Go to A7

No

INSPECT the wiper/washer switch according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

A7: CHECK WINDSHIELD WIPER MOTOR GROUND CONNECTION

1 Measure the resistance between C848 windshield wiper motor pin 1, circuit 31-KA9 (black), from the wiring side, and "weight".

• Is the resistance less than 2 ohms?

Yes

INSPECT the windshield wiper motor according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

No

REPAIR short circuit (I) between the windshield wiper motor and "weight" G37 using the wiring diagrams. CHECK the system is working properly.

A8: CHECK GROUND CONNECTION OF REAR WIPER MOTOR

1 Enter the OFF position.

2 CHECK the ground connection of the rear window wiper motor housing.

• Is the ground connection correct?

Yes

Go to A9

No

REPAIR the ground connection between the rear window wiper motor housing and "weight". CHECK the system is working properly.

A9: CHECK REAR WIPER RELAY POWER SUPPLY

1 Connect Wiper/Washer Switch - C441.

2 Disconnect the Rear Wiper Relay - C1018.

3 Drive the ON position.

4 Measure the voltage between pin 5 of the C1018 rear window wiper relay and "weight".

• Does the battery voltage register?

Yes

Go to A10

No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

A10: INSPECT REAR WIPER RELAY CONTROL CIRCUIT

1 Measure the voltage between pin 1 of the C1018 rear window wiper relay and "weight".

• Does the battery voltage register?

Yes

Go to A11

No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

A11: INSPECT REAR WIPER RELAY

1 Test the rear window wiper relay according to the item test instructions included with this section.

• Relay OK?

Yes

Go to A12

No

INSTALL a new rear window wiper relay. CHECK the system is working properly.

A12: CHECK CJB

1 Enter the OFF position.

2 Connect Rear Wiper Relay - C1018.

3 Disconnect the central connection box (CJB).- C14.

4 Measure the resistance at the C14 CJB connector, between pin 3 and pin 10, on the CJB side.

• Is the resistance less than 2 ohms?

Yes

Go to A13

No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

A13: INSPECT GROUND CIRCUIT OF REAR WIPER RELAY

1 Enter the OFF position.

2 Measure the resistance between C14 CJB pin 3 on the wiring side, and "weight".

• Is the resistance less than 2 ohms?

Yes

Go to A14

No

REPAIR short circuit (I) between pin 3 C14 CJB and "weight" G14 using the wiring diagrams. CHECK the system is working properly.

A14: INSPECT REAR WIPER CONTROL CIRCUIT TO CTM

1 Drive the ON position.

2 Set the wiper/washer switch to "REAR WINDOW WIPER".

3 Measure the voltage between pin 5 C14 CJB, circuit 32-KA35 (white/red), from the wiring side, and "weight".

• Does the battery voltage register?

Yes

Go to A16

No

Go to A15

A15: CHECK WIPER/WASH SWITCH

1 Enter the OFF position.

2 Disconnect Wiper/Washer Switch - C441.

3 Connect the jumper wire to connector C441 of the wiper/washer switch, between pin 6, circuit 15-KA19 (green/orange) and pin 5, electrical circuit 32-KA35 (white/red), from the side of the electrical wiring.

4 Drive the ON position.

5 Measure the voltage between pin 5 C14 CJB, circuit 32-KA35 (white/red), from the wiring side, and "weight".

• Does the battery voltage register?

Yes

INSPECT the wiper/washer switch according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

No

REPAIR short circuit (I) between C14 CJB pin 5 and the wiper/washer switch using the wiring diagrams. CHECK the system is working properly.

A16: CHECK CJB

1 Enter the OFF position.

2 Disconnect the Central Timer Module (CTM) - C1000.

3 Measure the resistance at the CJB between C14 pin 5 and C1000 CTM pin 28.

• Is the resistance less than 2 ohms?

Yes

Go to A17

No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

A17: INSPECT ELECTRICAL CIRCUIT TO REAR WIPER MOTOR

1Connect Central Junction Box (CJB) - C14.

2 Connect the Central Timer Module (CTM) - C1000.

3 Disconnect the Rear Wiper Motor - C971.

4 Drive the ON position.

5 Measure the voltage between pin 1 of the C971 rear window wiper motor circuit 15-KA28 (green/blue), from the wiring side, and "weight".

• Does the battery voltage register?

Yes

Go to A18

No

REPAIR short circuit (I) between the wiper/washer switch and the rear window wiper motor using the wiring diagrams. CHECK the system is working properly.

A18: INSPECT WIPER OFF CIRCUIT TO REAR WIPER MOTOR

1 Set the wiper/washer switch to "REAR WINDOW WIPER".

2 Measure the voltage between pin 2 of the C971 rear window wiper motor circuit 32-KA28 (white/red), from the wiring side, and "weight".

• Does the battery voltage register?

Yes

INSPECT the rear window wiper motor according to the Element Inspection instructions included with this section, INSTALL a new element if necessary. CHECK the system is working properly.

No

REPAIR short circuit (I) between the wiper/washer switch and the rear window wiper motor using the wiring diagrams. CHECK the system is working properly.



PINPOINT TEST B: WIPERS WORK CONTINUOUSLY


STATES

DETAILS/RESULTS/ACTIONS

B1: CHECK THE SYSTEM USING WDS

1 Check the system using WDS.

• Are any DTCs registered?

Yes

Process these codes. CHECK the system is working properly.

No

Rear window wipers running continuously: Go to B8

Windshield wipers running continuously: Go to B2

B2: CHECK FAULTY STATE

1 Enter the OFF position.

2 Disconnect Windshield Wiper Relay - C1019.

3 Drive the ON position.

4Check the windshield wipers.

• Are the windshield wipers running continuously?

Yes

Go to B6

No

Go to B3

B3: INSPECT WINDSHIELD WIPER RELAY CONTROL CIRCUIT FOR A SHORT TO "MASS"

1 Enter the OFF position.

2 Measure the resistance between C1019 pin 2 of the windshield wiper relay and "weight".

• Is the resistance greater than 10 kΩ?

Yes

Go to B4

No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

B4: INSPECT WINDSHIELD WIPER RELAY

1 INSPECT the windshield wiper relay according to the item test instructions included with this section.

• Relay OK?

Yes

Go to B5

No

INSTALL a new windshield wiper relay. CHECK the system is working properly.

B5: CHECK WIPER/WASHER SWITCH FUNCTIONS CORRECTLY

1 Enter the OFF position.

2 Disconnect Wiper/Washer Switch - C441.

3 INSPECT the wiper/washer switch according to the component test instructions included with this section.

• Is the switch OK?

Yes

REPAIR the short to power in the circuit connected to pin 10 C441 of the wiper/washer switch using the wiring diagrams. CHECK the system is working properly.

No

INSTALL a new wiper/washer switch. CHECK the system is working properly.

B6: DETERMINE STATE

1 Enter the OFF position.

2 Connect Windshield Wiper Relay - C1019.

3 Disconnect the Wiper/Washer Switch - C441.

4 Drive the ON position.

5 Check the windshield wipers.

• Windshield wipers on continuously?

Yes

Go to B7

No

INSPECT the wiper/washer switch according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

B7: INSPECT HIGH SPEED CLEANING CIRCUIT TO WINDSHIELD WIPER MOTOR

1 Measure the voltage between pin 8 of C441 wiper/washer switch circuit 32-KA11 (white/black), from the wiring side, and "weight".

• Does the battery voltage register?

Yes

REPAIR the short to power in the circuit connected to pin 8 C441 of the wiper/washer switch using the wiring diagrams. CHECK the system is working properly.

No

INSPECT the windshield wiper motor according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

B8: INSPECT REAR WIPER RELAY

1 Enter the OFF position.

2 Disconnect the Rear Wiper Relay - C1018.

3 Drive the ON position.

4Check the windshield wipers.

• Windshield wipers on continuously?

Yes

Go to B9

No

Go to B10

B9: CHECK WIPER/WASH SWITCH

1 Enter the OFF position.

2 Connect Rear Wiper Relay - C1018.

3 Disconnect the Wiper/Washer Switch - C441.

4 Drive the ON position.

5 Check the windshield wipers.

• Windshield wipers on continuously?

Yes

INSPECT the rear window wiper motor according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

No

INSPECT the wiper/washer switch according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

B10: CHECK REAR WIPER RELAY FOR PROPER OPERATION

1 INSPECT the rear window wiper relay according to the item test instructions included with this section.

• Relay OK?

Yes

Go to B11

No

INSTALL a new rear window wiper relay. CHECK the system is working properly.

B11: INSPECT REAR WIPER RELAY CONTROL CIRCUIT FOR A SHORT TO "MASS"

1 Enter the OFF position.

2 Measure the resistance between pin 2 of the C1018 rear window wiper relay and "weight".

• Is the resistance greater than 10 kΩ?

Yes

INSPECT the wiper/washer switch according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.



PINPOINT TEST C: LOW/HIGH SPEED WIPERS DO NOT FUNCTION PROPERLY (INTERMITTENT WIPER MODE FUNCTIONING PROPERLY)


STATES

DETAILS/RESULTS/ACTIONS

C1: INSPECT LOW SPEED CLEANING CIRCUIT TO WINDSHIELD WIPER MOTOR

1 TEST the system using WDS. If any DTCs are set, deal with those codes. CHECK the system is working properly. If the system fails again, perform the following test steps.

2 Enter the OFF position.

3 Disconnect the Windshield Wiper Motor - C848.

4 Drive the ON position.

5 Set the wiper/washer switch to "LOW SPEED CLEANING".

6 Measure the voltage between pin 5 of the C848 windshield wiper motor circuit 32-KA10 (white/green), And "weight".

• Does the battery voltage register?

Yes

Go to C2

No

INSPECT the wiper/washer switch according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

C2: INSPECT POWER SUPPLY TO HIGH SPEED CLEANING CIRCUIT TO WINDSHIELD WIPER MOTOR

1 Set the wiper/washer switch to "HIGH SPEED CLEANING".

2 Measure the voltage between pin 4 C848 windshield wiper motor circuit 32-KA11 (white/black), from the wiring side, and "weight".

• Does the battery voltage register?

Yes

INSPECT the windshield wiper motor according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

No

Go to C3

C3: INSPECT HIGH SPEED CLEANING CIRCUIT TO WINDSHIELD WIPER MOTOR

1 Enter the OFF position.

2 Disconnect Wiper/Washer Switch - C441.

3 Measure the resistance between pin 8 of C441 wiper/washer switch circuit 32-KA11 (white/black), wiring side, and pin 4 C848 windshield wiper motor, circuit 32-KA11 (white/black), from the side of the electrical wiring.

• Is the resistance less than 2 ohms?

Yes

Go to C4

No

REPAIR short circuit (I) between the wiper/washer switch and the windshield wiper motor using the wiring diagrams. CHECK the system is working properly.

C4: CHECK FOR PROPER FUNCTIONING OF WINDSCREEN WIPER ELECTRIC

1 Connect the Windshield Wiper Motor - C848.

2 Connect the jumper wire to connector C441 of the wiper/washer switch, between pin 6, circuit 15-KA19 (green/orange), and pin 8, electrical circuit 32-KA11 (white/black), from the side of the electrical wiring.

3 Drive the ON position.

4 Check the operation of the windshield wipers.

• The windshield wiper motor is functioning properly (in high-speed cleaning mode)?

Yes

INSPECT the wiper/washer switch according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

No

INSPECT the windshield wiper motor according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.



PINPOINT TEST D: INTERMEDIATE WIPERS DO NOT FUNCTION PROPERLY (LOW/HIGH SPEED WIPERS FUNCTION PROPERLY)


STATES

DETAILS/RESULTS/ACTIONS

D1: INSPECT CONTROL CIRCUIT TO WINDSHIELD WIPER RELAY

1 Enter the OFF position.

2 Disconnect Windshield Wiper Relay - C1019.

3 Drive the ON position.

4 Measure the voltage between C1019 pin 1 of the windshield wiper relay and "weight".

• Does the battery voltage register?

Yes

Go to D2

No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

D2: CHECK WINDSHIELD WIPER RELAY POWER

1 Measure the voltage between C1019 pin 5 of the windshield wiper relay and "weight".

• Does the battery voltage register?

Yes

Go to D3

No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

D3: INSPECT WINDSHIELD WIPER RELAY CONTROL CIRCUIT FOR SHORT TO POWER SUPPLY

1 Measure the voltage between C1019 pin 2 of the windshield wiper relay and "weight".

• Does the battery voltage register?

Yes

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

No

Go to D4

D4: CHECK FOR PROPER FUNCTIONING OF WINDSCREEN WIPER RELAY

1 Enter the OFF position.

2 INSPECT the windshield wiper relays according to the item test instructions included with this section.

• Relay OK?

Yes

Go to D5

No

CHECK the system is working properly. CHECK the system is working properly.

D5: CHECK THE POWER SUPPLY OF THE INTERMITTENT CLEANING MODE TO THE CTM

1 Connect Windshield Wiper Relay - C1019.

2 CHECK the system using WDS. If any DTCs are set, deal with those codes. CHECK the system is working properly. If the system fails again, perform the following test steps.

3 Enter the OFF position.

4 Disconnect the central connection box (CJB) - C15.

5 Drive the ON position.

6 Set the wiper/washer switch to "INTERMITTENT CLEANING".

7 Measure the voltage between pin 6 C15 CJB, circuit 8-KA19 (white/black), from the wiring side, and "weight".

• Does the battery voltage register?

Yes

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

No

Go to D6

D6: CHECK WIPER/WASHER SWITCH FUNCTIONS CORRECTLY

1 Enter the OFF position.

2 Disconnect Wiper/Washer Switch - C441.

3 INSPECT the wiper/washer switch according to the component test instructions included with this section.

• Is the switch OK?

Yes

With variable speed intermittent cleaning mode: Go to D7

Without variable speed intermittent cleaning mode: REPAIR short circuit (I) between C15 CJB pin 6 and the wiper/washer switch using the wiring diagrams. CHECK the system is working properly.

No

INSTALL a new wiper/washer switch. CHECK the system is working properly.

D7: INSPECT CONTROL CIRCUIT 8-KA18 (WHITE), TO CTM TO OPEN

1Connect Central Junction Box (CJB) - C15.

2 Disconnect the central connection box (CJB) - C11.

3 Measure the resistance between pin 15 C11 CJB, circuit 8-KA18 (white), on the wiring side, and pin 1 C441 of the wiper/washer switch, circuit 8-KA18 (white), from the side of the electrical wiring.

• Is the resistance less than 2 ohms?

Yes

Go to D8

No

REPAIR short circuit (I) between pin 15 C11 CJB and the wiper/washer switch using the wiring diagrams. CHECK the system is working properly.

D8: INSPECT CONTROL CIRCUIT 8-KA18 (WHITE), TO CTM, SHORT TO POWER SUPPLY

1 Connect Wiper/Washer Switch - C441.

2 Drive the ON position.

3 Set the wiper/washer switch to "TURNED OFF".

4 Measure the voltage between pin 15 C11 CJB, circuit 8-KA18 (white), from the wiring side, and "weight".

• Does the battery voltage register?

Yes

REPAIR the short to power in the circuit connected to pin 1 of the wiper/washer switch C441 using the wiring diagrams. CHECK the system is working properly.

No

Go to D9

D9: INSPECT CONTROL CIRCUIT 8-KA18 (WHITE), DIRECTIONAL TO CTM FOR A SHORT CIRCUIT ON "MASS".

1 Enter the OFF position.

2 Measure the resistance between pin 15 C11 CJB, circuit 8-KA18 (white), from the wiring side, and "weight".

• Is the resistance greater than 10 kΩ?

Yes

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

No

REPAIR short circuit "mass" electrical circuit (to her), connected to pin 1 C441 of the wiper/washer switch using the wiring diagrams. CHECK the system is working properly.



PINPOINT TEST E: WASH AND CLEAN FUNCTION DOES NOT WORK


STATES

DETAILS/RESULTS/ACTIONS

E1: TEST THE SYSTEM USING WDS.

1 TEST the system using WDS.

• Are any DTCs registered?

Yes

Process these codes. CHECK the system is working properly.

No

Go to E2

E2: INSPECT CLEAN AND WASH ELECTRICAL CIRCUIT TO CTM

1 Enter the OFF position.

2 Disconnect the Central Timer Module (CTM) - C1000.

3 Drive the ON position.

4 Measure the voltage at the C1000 CTM connector, between pin 27 and pin 17.

• Does the battery voltage register?

Yes

Go to E4

No

Go to E3

E3: CHECK WIPER/WASH SWITCH FUNCTIONING CORRECTLY

1 Enter the OFF position.

2 Disconnect Wiper/Washer Switch - C441.

3 INSPECT the wiper/washer switch according to the component test instructions included with this section.

• Is the switch OK?

Yes

REPAIR the open circuit between C1000 CTM pin 27 and the wiper/washer switch using the wiring diagrams. CHECK the system is working properly.

No

INSTALL a new wiper/washer switch. CHECK the system is working properly.

E4: CHECK WIPER/WASH SWITCH FUNCTIONING CORRECTLY

1 Enter the OFF position.

2 Disconnect Wiper/Washer Switch - C441.

3 INSPECT the wiper/washer switch according to the component test instructions included with this section.

• Is the switch OK?

Yes

Go to E5

No

INSTALL a new wiper/washer switch. CHECK the system is working properly.

E5: INSPECT WASH AND WASH CIRCUIT TO WIPER/WASHER SWITCH

1 Connect Wiper/Washer Switch - C441.

2 Drive the ON position.

3 Measure the voltage at the C1000 CTM connector, between pin 29 and pin 17.

• Does the battery voltage register?

Yes

REPAIR open circuit 31-KA19 (black), between the wiper/washer switch and "weight" G14 using the wiring diagrams. CHECK the system is working properly.

No

REPAIR open circuit 32-KA6 (white/black), between the wiper/washer switch and connection S14, using the wiring diagrams. CHECK the system is working properly.



PINPOINT TEST F: WIPERS DO NOT STOP IN CORRECT OFF POSITION

STATES

DETAILS/RESULTS/ACTIONS

F1: DETERMINE STATE

1 Determine the equipment of the car.

• Is the vehicle equipped with rear window wipers?

Yes

Go to F2

No

Go to F3

F2: IDENTIFY THE STATE IN WHICH THE FAULT IS APPEARING.

1 Drive the ON position.

2 Set the wiper/washer switch to "REAR WINDOW WIPER" and in position "TURNED OFF".

3 Check that the windshield wipers are not in use.

• Do the rear window wipers stop in the correct off position?

Yes

Go to F3

No

INSPECT the rear window wiper motor according to the item test instructions included with this section.

F3: CHECK FOR PROPER FUNCTIONING OF WINDSCREEN WIPER RELAY

1 Enter the OFF position.

2 Disconnect Windshield Wiper Relay - C1019.

3 Connect the jumper wire to the windshield wiper relay C1019, between pin 3 and pin 4.

4 Drive the ON position.

5 Activate SINGLE CLEAR.

6 Check that the wipers are in the off position.

• Do the wipers stop in the correct off position?

Yes

INSTALL a new windshield wiper relay. CHECK the system is working properly.

No

Go to F4

F4: CHECK CIRCUIT (AND) CONTROLS TO THE WINDSHIELD WIPER MOTOR

1 Enter the OFF position.

2 Connect Windshield Wiper Relay - C1019.

3 Disconnect the Windshield Wiper Motor - C848.

4 Measure the resistance at the windshield wiper motor between C848 pin 2, circuit 32-KA9 (white/blue), and pin 5, electrical circuit 32-KA10 (white/green), from the side of the electrical wiring.

• Is the resistance less than 2 ohms?

Yes

Go to F5

No

Go to F6

F5: CHECK WIPERS OFF POWER SUPPLY TO WINDSHIELD WIPER MOTOR

1 Drive the ON position.

2 Measure the voltage between pin 3 of the C848 windshield wiper motor circuit 15-KA9 (green/red) And "weight".

• Does the battery voltage register?

Yes

INSPECT the windshield wiper motor according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

No

REPAIR short circuit (I) between C17 CJB pin 1 and the windshield wiper motor using the wiring diagrams. CHECK the system is working properly.

F6: CHECK CJB

1 Disconnect the central connection box (CJB) - C14.

2 Disconnect the Central Timer Module (CTM) - C1000.

3 Disconnect Windshield Wiper Relay - C1019.

4 Measure resistance at CJB, between C14 pin 9, CJB side and

- pin 4 C1019 of the windshield wiper relay.

- pin 7 C1000 CTM.

• Is the resistance less than 2 ohms in both cases?

Yes

Go to F7

No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

F7: INSPECT ELECTRICAL CIRCUIT TO WINDSHIELD WIPER MOTOR

1 Measure the resistance between pin 9 C14 CJB, circuit 32-KA9 (white/blue), wiring side, and pin 2 C848 windshield wiper motor, circuit 32-KA9 (white/blue), from the side of the electrical wiring.

• Is the resistance less than 2 ohms?

Yes

Go to F8

No

REPAIR short circuit (I) between C14 CJB pin 9 and the windshield wiper motor using the wiring diagrams. CHECK the system is working properly.

F8: INSPECT WIPER/WASH SWITCH

1 Disconnect Wiper/Washer Switch - C441.

2 INSPECT the wiper/washer switch according to the component test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

• Is the wiper/washer switch OK?

Yes

REPAIR open circuit 32-KA19 (white/black), between the wiper/washer switch and the windshield wiper relay, using the wiring diagrams. CHECK the system is working properly.

No

INSTALL a new wiper/washer switch. CHECK the system is working properly.



PINPOINT TEST G: WIPERS DO NOT FUNCTION CORRECTLY WITH WASHER FUNCTION

STATES

DETAILS/RESULTS/ACTIONS

G1: CHECK CJB

1 TEST the system using WDS. If any DTCs are set, deal with those codes. CHECK the system is working properly. If the system fails again, perform the following test steps.

2 Enter the OFF position.

3 Disconnect the Central Timer Module (CTM) - C1000.

4 Disconnect the double acting windscreen washer pump motor - C828.

5 Drive the ON position.

6 Measure the voltage at the C1000 CTM connector, between pin 27 and pin 17.

• Does the battery voltage register?

Yes

Go to G2

No

Check out CJB. If necessary, INSTALL the new element. CHECK the system is working properly.

G2: INSPECT CLEAN AND WASH CIRCUIT TO CTM

1 Enter the OFF position.

2 Disconnect the central connection box (CJB) - C14.

3 Drive the ON position.

4 Measure the voltage between pin 1 C14 CJB, circuit 32-KA6A (white/black), from the wiring side, and "weight".

• Does the battery voltage register?

Yes

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

No

REPAIR short circuit (I) between C14 CJB pin 1 and S14 connection using the wiring diagrams. CHECK the system is working properly.



PINPOINT TEST H: WASHER PUMP NOT WORKING

STATES

DETAILS/RESULTS/ACTIONS

H1: CHECK CIRCUIT TO WASHER PUMP MOTOR FOR OPEN

1 Enter the OFF position.

2 Disconnect the double acting windscreen washer pump motor - C828.

3 Drive the ON position.

4 Measure the voltage between pin 1 of the C828 double-acting washer pump motor, circuit 32-KA34 (white/black), from the wiring side, and "weight".

• Does the battery voltage register?

Yes

Go to H2

No

REPAIR short circuit (I) between the double-acting washer pump motor and connection S14, using the wiring diagrams. CHECK the system is working properly.

H2: CHECK CIRCUIT TO DOUBLE ACTING WASHER PUMP MOTOR FOR OPEN

1 Measure the voltage between pin 2 of C828 double-acting washer pump motor circuit 33-KA34 (yellow/black), from the wiring side, and "weight".

• Does the battery voltage register?

Yes

INSPECT double acting windshield washer pump motor. If necessary, INSTALL the new element. CHECK the system is working properly.

No

REPAIR short circuit (I) between pin 2 of the C828 washer pump motor and the CJB, using the wiring diagrams. CHECK the system is working properly.



PINPOINT TEST I: ADJUSTABLE INTERMITTENT CLEANING MODE DOES NOT FUNCTION PROPERLY

STATES

DETAILS/RESULTS/ACTIONS

I1: CHECK WIPER/WASH SWITCH FUNCTIONING CORRECTLY

1 TEST the system using WDS. If any DTCs are set, deal with those codes. CHECK the system is working properly. If the system fails again, perform the following test steps.

2 Enter the OFF position.

3 Disconnect the Wiper/Washer Switch - C441.

4 INSPECT the wiper/washer switch according to the component test instructions included with this section.

• Is the switch OK?

Yes

Go to I2

No

INSTALL a new wiper/washer switch. CHECK the system is working properly.

I2: INSPECT ADJUSTABLE INTERMITTENT CLEANING CIRCUIT TO CTM

1 Disconnect the central connection box (CJB) - C11.

2 Measure the resistance between pin 15 C11 CJB, circuit 8-KA18 (white), on the wiring side, and pin 1 C441 of the wiper/washer switch, circuit 8-KA18 (white), from the side of the electrical wiring.

• Is the resistance less than 2 ohms?

Yes

Go to I4

No

REPAIR short circuit (I) between pin 15 C11 CJB and the wiper/washer switch using the wiring diagrams. CHECK the system is working properly.

I3: CHECK ADJUSTABLE INTERMITTENT CLEANING CIRCUIT TO CTM FOR A SHORT TO POWER SUPPLY

1 Connect Wiper/Washer Switch - C441.

2 Drive the ON position.

3 Set the wiper/washer switch to "TURNED OFF".

4 Measure the voltage between pin 15 C11 CJB, circuit 8-KA18 (white), from the wiring side, and "weight".

• Does the battery voltage register?

Yes

REPAIR short to circuit power supply (to her), connected to pin 1 C441 of the wiper/washer switch using the wiring diagrams. CHECK the system is working properly.

No

Go to I4

I4: INSPECT ADJUSTABLE INTERMITTENT CLEANING CIRCUIT TO CTM FOR A SHORT TO "MASS"

1 Enter the OFF position.

2 Measure the resistance between pin 15 C11 CJB, circuit 8-KA18 (white), from the wiring side, and "weight".

• Is the resistance greater than 10 kΩ?

Yes

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

No

REPAIR short circuit "mass" electrical circuit (to her), connected to pin 1 C441 of the wiper/washer switch using the wiring diagrams. CHECK the system is working properly.



PINPOINT TEST J: HEADLIGHT WASHING FUNCTION DOES NOT WORK CORRECTLY

STATES

DETAILS/RESULTS/ACTIONS

J1: CHECK POWER SUPPLY TO HEADLIGHT WASHER RELAY

1 Enter the OFF position.

2 Disconnect Headlight Washer Relay - C1004.

3 Drive the ON position.

4 Measure the voltage between C1004 headlight washer relay pin 2 and "weight".

• Does the battery voltage register?

Yes

Go to J4

No

Go to J2

J2: CHECK FUSE F13

1 Enter the OFF position.

2CHECK Fuse F13 (BJB).

3 CHECK FUSE F13 (30 A)

• Is the fuse good?

Yes

Go to J3

No

Install new fuse F13 (30 A). If the fuse blows again, LOCATE and REPAIR the short circuit using the wiring diagrams. CHECK the system is working properly.

J3: CHECK POWER SUPPLY OF F13 FUSE

1 Drive the ON position.

2 Measure voltage between fuse F13 (BJB) And "weight".

• Does the battery voltage register?

Yes

Go to J4

No

Check BJB If necessary, INSTALL a new element. CHECK the system is working properly.

J4: CHECK CONTROL CIRCUIT (WHEN THE HEADLIGHTS ARE ON), TO THE HEADLIGHT WASHER RELAY

1 Enter the OFF position.

2 Connect Fuse F13 (BJB).

3 Drive the ON position.

4 Set the light switch to "DIPPED HEADLIGHTS".

5 Measure the voltage between C1004 headlight washer relay pin 5 and "weight".

• Does the battery voltage register?

Yes

Go to J5

No

REPAIR short circuit (I) between the light switch and the headlight washer relay using the wiring diagrams. CHECK the system is working properly.

J5: CHECK HEADLIGHT WASHER RELAY GROUND CONNECTION

1 Set the light switch to "TURNED OFF".

2 Enter the OFF position.

3 Measure the resistance between C1004 headlight washer relay pin 1 and "weight".

• Is the resistance less than 2 ohms?

Yes

Go to J6

No

REPAIR short circuit (I) between the headlight washer relay and "weight" G37 using the wiring diagrams. CHECK the system is working properly.

J6: INSPECT WASHER CIRCUIT TO HEADLIGHT WASHER RELAY

1 Drive the ON position.

2 Measure the voltage between pin 3 of the C1004 headlight washer relay circuit 32-KA22 (white/red) And "weight".

• Does the battery voltage register?

Yes

Go to J7

No

REPAIR short circuit (I) between pin 3 of the headlight washer relay C1004 and connection S14, using the wiring diagrams. CHECK the system is working properly.

J7: INSPECT HEADLIGHT WASH PUMP.

1 Connect Headlight Washer Relay - C1004.

2 Disconnect the headlight washer pump motor - C745.

3 Drive the ON position.

4 Set the light switch to "DIPPED HEADLIGHTS".

5 Operate the WINDSHIELD WASHER during measurement.

6 Measure the voltage between C745 pin 1 of the headlight washer pump motor circuit 15S-KA21 (green/yellow), from the wiring side, and "weight".

• Does the battery voltage register?

Yes

Go to J8

No

REPAIR the open circuit between C1004 headlamp washer relay pin 4 and the headlamp washer pump motor using the wiring diagrams. CHECK the system is working properly.

J8: CHECK HEADLIGHT WASH PUMP GROUND CONNECTION

1 Enter the OFF position.

2 Measure the resistance between pin 2 of C745 headlight washer pump motor circuit 31-KA21 (black), from the wiring side, and "weight".

• Is the resistance less than 2 ohms?

Yes

INSPECT headlight washer pump motor. If necessary, INSTALL the new element. CHECK the system is working properly.

No

REPAIR short circuit (I) between the headlight washer pump motor and "weight" G37 using the wiring diagrams. CHECK the system is working properly.








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