Pinpoint tests (vehicles after 08.2001)

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NOTE: Use a digital multimeter to make all electrical measurements.


PINPOINT TEST P: LEFT OR RIGHT WINDOW POWER WINDOW DOES NOT WORK - FRONT AND REAR WINDOWS WITH POWER WINDOW

STATES

DETAILS/RESULTS/ACTIONS

P1: CHECK THE IGNITION VOLTAGE SUPPLIED TO THE POWER WINDOW SWITCH ISN'T WORKING

NOTE: Make sure the rear window switch lock is not activated.

1 Drive the ON position.

• Is the power window inoperative switch LED on?

Yes

Go to P2

No

Go to P6

P2: CHECK THE OPERATION OF THE IN-WORKING WINDOW BY PRESSING THE DRIVER'S DOOR WINDOW SWITCH

1 Press the driver's window power window switch.

• Does the non-working power window operate correctly?

Yes

Window regulator driver's door. CHECK the legitimacy of the customer's complaint. All Passenger Window Lifters, Go to P3

No

Go to P8

P3: INSPECT FOR OPEN AREA BETWEEN IN-WORKING POWER WINDOW SWITCH AND POWER WINDOW MOTOR LIFTING CIRCUIT

1 Disconnect the Inoperative Power Window Motor - C735 or C736.

2 Disconnect Power Window Inoperative Switch - C482 or C485.

3 Measure the resistance between:

• Pin 5 C485 power window switch, front passenger door, circuit 31S-AJ55B (black/orange), wiring harness side, and C735 power window motor pin 3, circuit 31S-AJ55A (black/orange), from the wiring harness side.

• pin 5 C482 power window switch, left rear passenger door, circuit 31S-AJ46B (black/white), wiring harness side, and C736 power window motor pin 3, circuit 31S-AJ46A (black/white), from the wiring harness side.

• Pin 5 C482 right rear passenger window switch, circuit 31S-AJ46B (black/white), wiring harness side, and C736 power window motor pin 3, circuit 31S-AJ46A (black/white), from the wiring harness side.

• Is the resistance less than 5 ohms?

Yes

Go to P4

No

REPAIR circuit 31S-AJ55B (black/orange) or electrical circuit 31S-AJ46B (black/white). CHECK the system is working properly.

P4: INSPECT FOR OPEN AREAS BETWEEN POWER WINDOW DOWN SWITCH AND POWER WINDOW MOTOR DOWN CIRCUIT

1 Measure the resistance between:

• Pin 2 C485 power window switch front passenger door, circuit 31S-AJ54B (black/blue), wiring harness side, and C735 power window motor pin 4, circuit 31S-AJ54A (black/blue), from the wiring harness side.

• Pin 2 C482 Power Window Switch Left Rear Passenger Door Circuit 31S-AJ63B (black/blue), wiring harness side, and C736 power window motor pin 4, circuit 31S-AJ63A (black/blue), from the wiring harness side.

• Pin 2 C483 right rear passenger window switch, circuit 31S-AJ63B (black/blue), wiring harness side, and C736 power window motor pin 4, circuit 31S-AJ63A (black/blue), from the wiring harness side.

• Is the resistance less than 5 ohms?

Yes

Go to P5

No

REPAIR circuit 31S-AJ54B (black/blue) or electric circuit31S-AJ63B (black/blue). CHECK the system is working properly.

P5: INSPECT POWER WINDOW POWER MOTOR GROUND CIRCUIT

1 Measure the resistance between:

• Pin 8 C735 front passenger window motor, circuit 31-AJ27 (black), on the wiring harness side, and "weight".

• pin 8 C736 left rear passenger window electric window motor, circuit 31-AJ31 (black), on the wiring harness side, and "weight".

• pin 8 C736 right rear passenger window motor, circuit 31-AJ31 (black), on the wiring harness side, and "weight".

• Is the resistance less than 5 ohms?

Yes

CHECK the legitimacy of the customer's complaint.

No

REPAIR circuit 31-AJ27 (black) or electrical circuit 31-AJ31 (black). CHECK the system is working properly.

P6: CHECK THE VOLTAGE SUPPLIED TO THE POWER WINDOW SWITCH ISN'T WORKING

1 Enter the OFF position.

2 Disconnect Power Window Inoperative Switch - C482, C484 or C485.

3 Drive the ON position.

NOTE: Passenger window power window switch shown.

4 Measure the voltage between:

• pin 13 C484 driver's window switch, circuit 15-LH14 (green/yellow), on the wiring harness side, and "weight".

• Pin 1 C485 power window switch front passenger door circuit 15-LH31 (green/blue), on the wiring harness side, and "weight".

• pin 1 C482 power window switch, left rear passenger door, circuit 15-LH36 (green/red), on the wiring harness side, and "weight".

• pin 1 C482 power window switch, right rear passenger door, circuit 15-LH36 (green/red), on the wiring harness side, and "weight".

• Is the voltage over 10 V?

Yes

Go to P7

No

Go to P14

P7: INSPECT POWER WINDOW SWITCH GROUND CIRCUIT OUT OF WORK

1 Enter the OFF position.

NOTE: Driver window power window switch shown.

2 Measure the resistance between:

• Pin 4 C484 driver window switch, circuit 31-AJ7 (black), on the wiring harness side, and "weight".

• Pin 6 C485 power window switch, front passenger door, circuit 31-AJ18 (black), on the wiring harness side, and "weight".

• pin 6 C482 power window switch, left rear passenger door, circuit 31S-AJ32 (black/orange), on the wiring harness side, and "weight".

• pin 6 C482 power window switch, right rear passenger door, circuit 31S-AJ32 (black/orange), on the wiring harness side, and "weight".

• Is the resistance less than 5 ohms?

Yes

REPAIR chain 32-AJ26 (white).

No

REPAIR circuit 31-AJ7 (black); or electrical circuit31-AJ18 (black) or electric circuit31S-AJ32 (black/orange). Check switching voltage at open/close relay "one touch"

P8: CHECK THE VOLTAGE SUPPLIED TO THE DOOR CONNECTOR WITH THE POWER WINDOW NOT WORKING

1 Enter the OFF position.

2 Disconnect the Inoperative Power Window Door Connector - C42, C44, C45 or C46.

3 Drive the ON position.

NOTE:Power window front door connector shown.

4 Measure the voltage between:

• pin 9 C42 power window left front door, circuit 29-AJ26 (orange/yellow), on the wiring harness side, and "weight".

• pin 9 C44 window lifter right front door, circuit 29-AJ27 (orange/white), on the wiring harness side, and "weight".

• pin 9 C45 power window left rear passenger door, circuit 29-AJ13 (orange/blue), on the wiring harness side, and "weight".

• pin 9 C46 right rear passenger door power window, circuit 29-AJ23 (orange/white), on the wiring harness side, and "weight".

• Check the ignition voltage supplied to the opening relay "one touch"

Yes

Go to P9

No

REPAIR circuit 29-AJ26 (orange/yellow); or electrical circuit 29-AJ27 (orange/white); or electrical circuit 29-AJ13 (orange/blue) or electrical circuit 29-AJ23 (orange/white). Perform a driver window power window switch component test.

P9: INSPECT POWER WINDOW MOTOR GROUND CIRCUIT IN IRREGULARITY

1 Enter the OFF position.

2 Disconnect the Inoperative Power Window Motor - C734, C735 or C736.

3 Measure the resistance between:

• Pin 8 C734 Window Motor Driver, Electrical Circuit 31-AJ26 (black), on the wiring harness side, and "weight".

• Pin 8 C735 front passenger window motor, circuit 31-AJ27 (black), on the wiring harness side, and "weight".

• pin 8 C736 power window motor, left rear passenger window, circuit 31-AJ31 (black), on the wiring harness side, and "weight".

• pin 8 C736 right rear passenger window motor, circuit 31-AJ31 (black), on the wiring harness side, and "weight".

• Is the resistance less than 5 ohms?

Yes

Go to P10

No

REPAIR circuit 31-AJ26 (black); or electrical circuit31-AJ27 (black); or electric circuit31-AJ31 (black). CHECK the system is working properly.

P10: CHECK THE VOLTAGE SUPPLIED TO THE ELECTRIC WINDOW MOTOR CONNECTOR IN AN OUT OF WORK

1 Connect the Power Window Door Connector - C42, C44, C45 OR C46.

2 Drive the ON position.

3 Measure the voltage between:

• Pin 7 C734 Window Motor Driver, Electrical Circuit 29-AJ26 (orange/yellow), on the wiring harness side, and "weight".

• Pin 7 C735 front passenger window motor, circuit 29-AJ27 (orange/white), on the wiring harness side, and "weight".

• pin 7 C736 left rear passenger window electric window motor, circuit 29-AJ31 (orange/blue), on the wiring harness side, and "weight".

• pin 7 C736 right rear passenger window motor, circuit 29-AJ31 (orange/blue), on the wiring harness side, and "weight".

• Is the voltage over 10 V?

Yes

Go to P11

No

REPAIR circuit 29-AJ26 (orange/yellow); or electrical circuit 29-AJ27 (orange/white) or electrical circuit 29-AJ31 (orange/blue). CHECK the system is working properly.

P11: CHECK FOR OPEN IN POWER WINDOW MOTOR LIFTING CIRCUIT IN INDIVIDUAL POWER

1 Enter the OFF position.

2 Press the inoperative power window motor switch to the UP position.

3 Measure the resistance between:

• Pin 3 C734 Window Motor Driver, Electrical Circuit 31S-AJ41 (black/orange), on the wiring harness side, and "weight".

• Pin 3 C735 front passenger window motor, circuit 31S-AJ55A (black/orange), on the wiring harness side, and "weight".

• pin 3 C736 left rear window passenger window motor, circuit 31S-AJ46A (black/white), on the wiring harness side, and "weight".

• Pin 3 C736 right rear passenger window motor, circuit 31S-AJ46A (black/white), on the wiring harness side, and "weight".

• Is the resistance less than 5 ohms?

Yes

Go to P12

No

REPAIR circuit 31S-AJ41 (black/orange); or electrical circuit 31S-AJ55A (black/orange) or electrical circuit 31S-AJ46A (black/white). CHECK the system is working properly.

P12: INSPECT FOR OPEN IN THE POWER WINDOW MOTOR DOWN CIRCUIT IN AN OUT OF WORK

1 Press the inoperative power window motor switch to the DOWN position.

2 Measure the resistance between:

• Pin 4 C734 Window Motor Driver, Electrical Circuit 31S-AJ40 (black/blue), on the wiring harness side, and "weight".

• Pin 4 C735 front passenger window motor, circuit 31S-AJ54A (black/blue), on the wiring harness side, and "weight".

• Pin 4 C736 Window Motor Left Rear Passenger Window Circuit 31S-AJ63A (black/blue), on the wiring harness side, and "weight".

• Pin 4 C736 right rear passenger window motor, circuit 31S-AJ63A (black/blue), on the wiring harness side, and "weight".

• Is the resistance less than 5 ohms?

Yes

Go to P13

No

REPAIR circuit 31S-AJ40 (black/blue); or electrical circuit 31S-AJ54A (black/blue) or electrical circuit 31S-AJ63A (black/blue). CHECK the system is working properly.

P13: CHECK THE VOLTAGE SUPPLIED TO THE POWER WINDOW MOTOR OFF

1 Drive the ON position.

2 Measure the voltage between:

• Pin 2 C734 Window Motor Driver, Electrical Circuit 15-AJ26A (green/yellow), on the wiring harness side, and "weight".

• Pin 2 C735 front passenger window motor, circuit 15S-AJ27A (green/white), on the wiring harness side, and "weight".

• Pin 2 C736 Window Motor Left Rear Passenger Window Circuit 15S-AJ31A (green/blue), on the wiring harness side, and "weight".

• Pin 2 C736 right rear passenger window motor, circuit 15S-AJ31A (green/blue), on the wiring harness side, and "weight".

• Is the voltage over 10 V?

Yes

INSTALL a new motor. CHECK the system is working properly.

No

REPAIR circuit 15-AJ26A (green/yellow); or electrical circuit 15S-AJ27A (green/white) or electrical circuit 15S-AJ31A (green/blue). CHECK the system is working properly.

P14: CHECK THE VOLTAGE SUPPLIED TO THE DOOR CONNECTOR WITH THE POWER WINDOW NOT WORKING

1 Disconnect the Inoperative Power Window Door Connector - C42, C44, C45 or C46.

NOTE: B-pillar connector shown.

2 Measure the voltage between:

• pin 15 C42 power window left front door, circuit 15-AJ26 (green/yellow) left-hand side (electrical circuit 15-AJ27 [green/white] right side), from the A-pillar side, and "weight".

• pin 15 C44 right front door power window, electrical circuit 15- AJ27 (green/white) left-hand side (circuit 15-AJ26 [green/yellow] right side), from the A-pillar side, and "weight".

• pin 13 C45 power window left rear passenger door, circuit 15-AJ13 (green/blue), on the B-pillar side, and "weight".

• pin 13 C46 power window right rear passenger door, circuit 15-AJ13 (green/blue), on the B-pillar side, and "weight".

• Is the voltage over 10 V?

Yes

REPAIR circuit 15-AJ26 (green/yellow) from the side of the door; or electrical circuit 15-AJ27 (green/white) door side or electrical circuit 15-AJ31 (green/blue) from the side of the door. CHECK the system is working properly.

No

REPAIR circuit 15-AJ26 (green/yellow) from the A-pillar; or electrical circuit 15-AJ27 (green/white) A-pillar side, or circuit 15-AJ13 (green/blue) B-pillar side. CHECK the system is working properly.



PINPOINT TEST Q: GENERAL CLOSE FUNCTION DOES NOT WORK


STATES

DETAILS/RESULTS/ACTIONS

Q1: CHECK THE VOLTAGE SUPPLIED TO THE ELECTRIC MOTOR OF THE DOOR WINDOW ISN'T WORKING

1 Disconnect the Inoperative Power Window Motor - C734, C735, C736 or C737.

2 Measure the voltage between:

• Pin 6 C734 Window Motor Driver, Electrical Circuit 8-AJ42 (white/green), on the wiring harness side, and "weight".

• pin 6 C735 front passenger window motor, circuit 8-AJ56 (white/green), on the wiring harness side, and "weight".

• pin 6 C737 power window motor left rear passenger window, circuit 8-AJ65 (white/green), on the wiring harness side, and "weight".

• Pin 6 C736 of the electric window motor of the right rear passenger window, circuit 8-AJ65 (white/green), on the wiring harness side, and "weight".

• Is the voltage over 10 V?

Yes

INSTALL a new power window motor Refer to Door Window Power Window Motor in this section for more information. CHECK the system is working properly.

No

REPAIR circuit 8-AJ42 (white/green); or 8-AJ56 (white/green) or 8-AJ65 (white/green). CHECK the system is working properly.



PINPOINT TEST R: ALL POWER WINDOWS DO NOT WORK - FRONT POWER WINDOWS


STATES

DETAILS/RESULTS/ACTIONS

R1: CHECK VOLTAGE AT POWER WINDOW SWITCHES

1 Drive the ON position.

• Are the power window switch LEDs lit?

Yes

CHECK the legitimacy of the customer's complaint.

No

Go to R2

R2: INSPECT FOR OPEN CIRCUIT BETWEEN DRIVER'S DOOR WINDOW SWITCH AND "MASS"

1 Enter the OFF position.

2 Disconnect Driver's Window Power Window Switch - C488.

3 Measure the resistance between C488 pin 1 of the driver's window power window switch, circuit 31-AJ7 (black), on the wiring harness side, and "weight".

• Is the resistance less than 5 ohms?

Yes

Go to R3

No

REPAIR circuit 31-AJ7 (black). Check the correct operation of the system.

R3: CHECK VOLTAGE SUPPLIED TO DRIVER'S DOOR WINDOW SWITCH

1 Drive the ON position.

2 Measure the voltage between pin 10 of C488 driver's window power window switch, circuit 15-AJ7 (green/blue), on the wiring harness side, and "weight".

• Is the voltage over 10 V?

Yes

Check the validity of the customer's complaint.

No

REPAIR circuit 15-AJ7 (green/brown). Check the correct operation of the system.



PINPOINT TEST S: LEFT OR RIGHT WINDOW DOES NOT WORK - DRIVER'S SIDE


STATES

DETAILS/RESULTS/ACTIONS

S1: CHECK IGNITION VOLTAGE AT DRIVER'S DOOR WINDOW SWITCH

1 Drive the ON position.

• Is the driver's door power window switch LED on?

Yes

Go to S2

No

Go to S4

S2: INSPECT FOR OPEN CIRCUIT BETWEEN DRIVER'S DOOR WINDOW ELECTRIC MOTOR AND "MASS"

1 Enter the OFF position.

2 Disconnect the Driver's Window Motor - C782.

3 Measure the resistance between C782 pin 1 of the driver's window power window motor, circuit 33-AJ26 (yellow), on the wiring harness side, and "weight".

• Is the resistance less than 5 ohms?

Yes

Go to S3

No

CHECK the system is working properly. Check for an open circuit between the open/close relay "one touch" and driver window power window switch

S3: CHECK THE VOLTAGE SUPPLIED TO THE POWER WINDOW MOTOR OF THE DRIVER'S DOOR

1 Drive the ON position.

2 Push the driver's window power window switch to the CLOSED position.

3 Measure the voltage between C782 pin 2 of the driver's window electric motor, circuit 32-AJ26 (white), on the wiring harness side, and "weight".

• REPAIR chain 32-AJ17 (white/purple).

Yes

Install a new driver's window power window motor Refer to Door window power window motor in this section for more information.. Check the voltage in the passenger window motor close circuit

No

CHECK the system is working properly. Check the correct operation of the system.

S4: INSPECT CIRCUIT BETWEEN DRIVER'S DOOR WINDOW SWITCH AND "MASS" ON OPEN

1 Enter the OFF position.

2 Disconnect Driver's Window Power Window Switch - C488.

3 Measure the resistance between C488 pin 1 of the driver's window power window switch, circuit 31-AJ7 (black), on the wiring harness side, and "weight".

• Is the resistance less than 5 ohms?

Yes

Go to S5

No

REPAIR circuit 31-AJ7 (black). Check the correct operation of the system.

S5: CHECK VOLTAGE SUPPLIED TO DRIVER'S DOOR WINDOW SWITCH

1 Drive the ON position.

2 Measure the voltage between pin 10 of C488 driver's window power window switch, circuit 15-AJ7 (green/blue), on the wiring harness side, and "weight".

• Is the voltage over 10 V?

Yes

CHECK the legitimacy of the customer's complaint.

No

REPAIR circuit 15-AJ7 (green/brown). CHECK the system is working properly.



PINPOINT TEST: LEFT OR RIGHT WINDOW DO NOT WORK - PASSENGER SIDE

STATES

DETAILS/RESULTS/ACTIONS

T1: CHECK VOLTAGE AT PASSENGER DOOR WINDOW SWITCH

1 Drive the ON position.

• Is the passenger's door power window switch LED on?

Yes

Go to T2

No

Go to T5

T2: INSPECT PASSENGER DOOR WINDOW SWITCH GROUND CIRCUITS

1 Enter the OFF position.

2 Disconnect Passenger Window Power Window Switch - C489.

3 Measure the resistance between pin 3 of C489 passenger window power window switch, circuit 32-AJ18 (white/purple), on the wiring harness side, and "weight"; and between pin 6 C489 passenger window power window switch circuit 33-AJ18 (yellow/purple), on the wiring harness side, and "weight".

• Is the resistance less than 5 ohms in all cases?

Yes

Go to T3

No

Repair circuit 32-AJ18 (white/purple) or electrical circuit 33-AJ18 (yellow/purple). CHECK the system is working properly.

T3: CHECK FOR OPEN CIRCUIT BETWEEN PASSENGER DOOR WINDOW SWITCH AND MOTOR

1 Disconnect the Passenger Window Motor - C783.

2 Measure the resistance between C489 pin 1 of the passenger window power window switch, circuit 33-AJ17 (yellow/purple), on the wiring harness side, and pin 1 C783 passenger window electric motor, circuit 33-AJ17 (yellow/purple), from the wiring harness side.

• Is the resistance less than 5 ohms?

Yes

Go to T4

No

CHECK the system is working properly. opening function "one touch" does not work

T4: CHECK FOR OPEN CIRCUIT BETWEEN PASSENGER DOOR WINDOW SWITCH AND MOTOR

1 Measure the resistance between pin 7 of C489 passenger window power window switch circuit 32-AJ17 (white/purple), harness side, and pin 2 C783 passenger window electric motor, circuit 32-AJ17 (white/purple), from the wiring harness side.

• CHECK the legitimacy of the customer's complaint.

Yes

INSTALL a new power window motor Refer to Door Window Power Window Motor in this section for more information. CHECK the system is working properly.

No

CHECK the system is working properly. REPAIR chain 33-AJ17 (yellow/purple).

T5: INSPECT PASSENGER DOOR WINDOW SWITCH GROUND CIRCUIT

1 Enter the OFF position.

2 Disconnect Passenger Window Power Window Switch - C489.

3 Measure the resistance between pin 4 of C489 passenger window power window switch circuit 31-LH31 (black), on the wiring harness side, and "weight".

• Is the resistance less than 5 ohms?

Yes

Go to T6

No

REPAIR chain 31-LH31 (black). CHECK the system is working properly.

T6: CHECK VOLTAGE AT PASSENGER DOOR WINDOW SWITCH

1 Drive the ON position.

2 Measure the voltage between pin 2 of C489 passenger window power window switch circuit 15-AJ18 (green/white), on the wiring harness side, and "weight".

• Is the voltage over 10 V?

Yes

CHECK the legitimacy of the customer's complaint.

No

REPAIR circuit 15-AJ18 (green/white). CHECK the system is working properly.



PINPOINT TEST U: DEICING SYSTEM DOES NOT WORK.

STATES

DETAILS/RESULTS/ACTIONS

U1: INSPECT REAR WINDOW HEATED CIRCUIT

1 Drive the ON position.

2 Press the heated rear window switch.

• Is the heated rear window electrical circuit functioning correctly?

Yes

Go to U2

No

Go to U3

U2: INSPECT HEATED WINDSHIELD CIRCUIT

1 Drive the START position.

2 Drive the ON position.

3 With the engine running, press the heated windshield switch.

• Is the heated windshield electrical circuit functioning correctly?

Yes

CHECK the legitimacy of the customer's complaint.

No

Go to U6

U3: CHECK OUTDOOR MIRRORS HEATED FUNCTION

1 Press the heated rear window switch.

• Does the exterior mirror heating function correctly?

Yes

Go to U4

No

Go to U10

U4: CHECK REAR WINDOW HEATED CIRCUIT VOLTAGE

1 Enter the OFF position.

2 Disconnect Heated rear window - C949 or C950.

3 Drive the ON position.

4 Measure the voltage between:

• 3-door variant, 5-door variant and "station wagon" - pin 1 C949 heated rear window, electrical circuit 15S-HB19 (green/blue), on the wiring harness side, and "weight".

• 4-door version - pin 1 C950 heated rear window, electric circuit 15S-HB19 (green/blue), on the wiring harness side, and "weight".

• Is the voltage over 10 V?

Yes

Go to U5

No

REPAIR chain 15S-HB19 (green/blue). CHECK the system is working properly.

U5: INSPECT HEATED REAR WINDOW GROUND CIRCUIT

1 Enter the OFF position.

2 Disconnect Heated rear window - C951.

3 Measure the resistance between:

• 3-door variant, 5-door variant and "station wagon" - the electrical grounding circuit of the heated rear window and "weight".

• 4-door version - pin 1 C951 heated rear window, electrical circuit 31-HB19 (black), on the wiring harness side, and "weight".

• Is the resistance less than 5 ohms?

Yes

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

No

3-door variant, 5-door variant and "station wagon" REPAIR the heated rear window ground circuit. CHECK the system is working properly. 4-door option: REPAIR circuit 31-HB19 (black). CHECK the system is working properly.

U6: CHECK HEATED WINDSHIELD RELAY FUNCTION

1 Press the heated windshield switch.

• Does the relay click?

Yes

Go to U7

No

Go to U14

U7: CHECK THE VOLTAGE SUPPLIED TO HEATED WINDSHIELD WIRES

1 Enter the OFF position.

2 Disconnect Heated windshield - C634.

3 Drive the START position.

4 Drive the ON position.

5 Measure the voltage between:

• pin 2 C634 left wire heated windshield grille, electrical circuit 64S-HB12 (blue), on the wiring harness side, and "weight".

• pin 1 C634 right windshield grille wire, electrical circuit 64S-HB25 (blue/red), on the wiring harness side, and "weight".

• Is the voltage more than 10 V in all cases?

Yes

Go to U8

No

Go to U17

U8: CHECK HEATED WINDSHIELD GRILLE GROUND WIRES

1 Enter the OFF position.

2 Measure the resistance between the ground circuits of the heated windshield and "weight".

• Is the resistance less than 5 ohms in all cases?

Yes

Go to U9

No

REPAIR the heated windshield ground circuit. CHECK the system is working properly.

U9: CHECK HEATED WINDSHIELD GRILLE WIRES

1 Measure the resistance between:

• pin 2 C634 heated windshield grille wire (left element), from the side of the element, and "weight"

• pin 1 C634 heated windshield grille wire (right element), from the side of the element, and "weight".

• Is the resistance over 10,000 ohms?

Yes

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

No

CHECK the legitimacy of the customer's complaint.

U10: PRESS THE HEATED REAR WINDOW SWITCH.

1 Press the heated rear window switch.

• Check fuse F7 (40 A)

Yes

Go to U11

No

Go to U18

U11: CHECK THE VOLTAGE SUPPLIED TO THE FUSE 49 (25 A) CENTRAL CONNECTION BOX (CJB)

1 Enter the OFF position.

2 Disconnect Fuse 49 (25 A).

3 Measure voltage between fuse input 49 (25A) And "weight".

• Is the voltage over 10 V?

Yes

Go to U12

No

REPAIR the central junction box. CHECK the system is working properly.

U12: CHECK REAR WINDOW HEATED CIRCUIT VOLTAGE

1 Disconnect Heated rear window - C949.

2 Drive the ON position.

3 Measure the voltage between:

• 3-door variant, 5-door variant and "station wagon" - pin 1 C949 heated rear window, circuit 15S-HB19 (green/blue), on the wiring harness side, and "weight".

• 4-door version - pin 1 C950 defroster, electric circuit 15S-HB19 (green/blue), on the wiring harness side, and "weight".

• Is the voltage over 10 V?

Yes

Go to U13

No

REPAIR chain 15S-HB19 (green/blue). CHECK the system is working properly.

U13: INSPECT HEATED REAR WINDOW GROUND CIRCUIT

1 Enter the OFF position.

2 Disconnect Heated rear window - C951.

3 Measure the resistance between:

• 3-door variant, 5-door variant and "station wagon" - the electrical grounding circuit of the heated rear window and "weight".

• 4-door version - pin 1 C951 heated rear window, electrical circuit 31-HB19 (black), on the wiring harness side, and "weight".

• Is the resistance less than 5 ohms?

Yes

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

No

3-door variant, 5-door variant and "station wagon": REPAIR the heated rear window ground circuit. CHECK the system is working properly. 4-door option: REPAIR circuit 31-HB19 (black). CHECK the system is working properly.

U14: CHECK THE VOLTAGE SUPPLIED TO THE HEATED WINDSHIELD RELAY

1 Enter the OFF position.

2 Disconnect Heated Windshield Relay - C1003.

3 Drive the START position.

4 Drive the ON position.

5 Measure the voltage between pin 1 C1003 heated windshield relay circuit 64 - HB7 (blue/red), on the wiring harness side, and "weight".

• Is the voltage over 10 V?

Yes

Go to U15

No

REPAIR Circuit 64-HB7 (blue/red). CHECK the system is working properly.

U15: CHECK FOR OPEN CIRCUIT BETWEEN COMMON ELECTRONIC MODULE (GEM) AND "MASS"

1 Enter the OFF position.

2 Disconnect GEM - C104..

3 Press the heated windshield switch.

4 Measure the resistance between pin 13 C104 of the GEM module, circuit 31S-HB9 (black/white), on the wiring harness side, and "weight".

• Is the resistance less than 5 ohms?

Yes

Go to U16

No

Go to U20

U16: CHECK FOR OPEN CIRCUIT BETWEEN HEATED WINDSHIELD RELAY AND GEM MODULE

1 Disconnect GEM - C103..

2 Measure the resistance between pin 2 C1003 Heated Windshield Relay Circuit 31S-HB7 (black/blue), on the wiring harness side, and GEM pin 23 C103, circuit 31S-HB7A (black/blue), from the wiring harness side.

• Is the resistance less than 5 ohms?

Yes

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

No

REPAIR chain 31S-HB7 (black/blue). CHECK the system is working properly.

U17: INSPECT FOR OPEN CIRCUIT BETWEEN HEATED WINDSHIELD RELAY AND HEATED WINDSHIELD GRILLE WIRES

1 Enter the OFF position.

2 Disconnect Heated Windshield Relay - C1003.

3 Measure the resistance between:

• pin 5 C1003 left grille wire - heated windshield relay, electrical circuit 64S-HB1 (blue/red), on the wiring harness side, and pin 2 C634 of the left wire of the heated windshield grille, circuit 64S-HB12 (blue), from the wiring harness side.

• pin 5 C1003 right grill wire - heated windshield relay, electrical circuit 64S-HB1 (blue/red), on the wiring harness side, and pin 1 C634 of the right wire of the heated windshield grille, circuit 64S-HB25 (blue/red), from the wiring harness side.

• Is the resistance less than 5 ohms in all cases?

Yes

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

No

REPAIR circuit 64S-HB1 (blue/red), electrical circuit 64S-HB12 (blue) or electrical circuit 64S-HB25 (blue/red). CHECK the system is working properly.

U18: CHECK FOR OPEN CIRCUIT BETWEEN THE HEATED REAR WINDOW RELAY AND THE COMMON ELECTRONIC UNIT (GEM)

1 Enter the OFF position.

2 Disconnect Heated Rear Window Relay - C1025.

3 Disconnect GEM - C105..

4 Measure the resistance between pin 2 of the C1025 heated rear window relay (CJB), on the side of the wiring harness, and pin 15 C105 of the central timer module, circuit 31S-HB20 (black/green), from the wiring harness side.

• Is the resistance less than 5 ohms?

Yes

Go to U19

No

REPAIR the central junction box. Check the correct operation of the system.

U19: CHECK FOR OPEN CIRCUIT BETWEEN GEM AND "MASS"

1 Disconnect GEM - C104..

2 Press the heated rear window switch

3 Measure the resistance between pin 20 C104 of the GEM module, circuit 31S-HB22 (black/green), on the wiring harness side, and "weight".

• Is the resistance less than 5 ohms?

Yes

INSTALL a new heated rear window relay. Check the correct operation of the system.

No

Go to U22

U20: CHECK FOR OPEN CIRCUIT BETWEEN GEM MODULE AND HEATER CONTROL MODULE

1 Enter the OFF position.

2 Disconnect the heater control module - C380.

3 Measure the resistance between pin 13 C104 of the GEM module, circuit 13S-HB9 (black/white), on the wiring harness side, and pin 5 C380 of the heater control module, circuit 31S-HB9 (black/white), from the wiring harness side.

• Is the resistance less than 5 ohms?

Yes

Go to U21

No

REPAIR circuit 31S-HB9 (black/white). Check the correct operation of the system.

U21: INSPECT GROUND CIRCUIT OF HEATER CONTROL MODULE

1 Measure the resistance between pin 12 C380 of the heater control module, circuit 91-FA13 (black/orange) from the wiring harness side, and "weight".

• Is the resistance less than 5 ohms?

Yes

INSTALL a new heater control module. Check the correct operation of the system.

No

REPAIR circuit 91-FA13 (black/orange). Check the correct operation of the system.

U22: CHECK FOR OPEN CIRCUIT BETWEEN GEM MODULE AND HEATER CONTROL MODULE

1 Disconnect heater control module - C380..

2 Measure the resistance between pin 20 C104 of the GEM module, circuit 31S-HB22 (black/green), on the wiring harness side, and pin 3 C380 of the heater control module, circuit 31S-HB22 (black/green) from the side of the wiring harness.

• Is the resistance less than 5 ohms?

Yes

Go to U23

No

REPAIR circuit 31S-HB22 (black/green). Check the correct operation of the system.

U23: CHECK FOR OPEN CIRCUIT BETWEEN HEATER CONTROL MODULE AND "MASS"

1 Measure the resistance between pin 12 C380 of the heater control module, circuit 91-FA13 (black/orange), on the wiring harness side, and "weight".

• Is the resistance less than 5 ohms?

Yes

INSTALL a new heater control module. Check the correct operation of the system.

No

REPAIR circuit 91-FA13 (black/orange). Check the correct operation of the system.








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