Pinpoint speed control tests

A1: BEEP FUNCTION TEST

1 Press the horn switches.

• Does the alarm sound?

→ Yes

Go to A2

→ No

Diagnose the airbag sliding contact. See Section 413-06 for more information.

A2: CHECKING FUNCTION OF THE SWITCH

1 Disconnect the Speed Control Actuator - C831.

2 Disconnect the airbag slider - C896.

3 Remove fuse 53 (10 A).

4 Using a digital multimeter, measure the resistance between C831 pin 5 of the speed control actuator, circuit 8-PG13 (white), on the side of the wiring harness, and pin 6 C896 of the airbag sliding contact, circuit 15-PG13 (white), on the wiring harness side, with the ON switch pressed.

• Is the resistance between 260 and 280 ohms?

→ Yes

Install fuse 53 (10 A). Go to A3

→ No

Install fuse 53 (10 A). Go to A5

A3: CHECK SWITCH INPUT TO SPEED CONTROL ACTUATOR

1 Using a digital multimeter, measure the resistance between C831 pin 5 of the speed control actuator, circuit 8-PG13 (white), on the wiring harness side, and pin 6 C831 of the speed control actuator, electrical circuit 9-PG13 (brown), on the wiring harness side, with the OFF switch pressed.

• Is the resistance less than 5 ohms?

→ Yes

Go to A6

→ No

Go to A4

A4: 8-PG13 ELECTRICAL CIRCUIT CHECK (WHITE) FOR BREAKS.

WARNING: See Section 501-20A / 501-20B for more information. for the correct procedure for deactivating the airbag system.

1 Disconnect the airbag slider.

2 Using a digital multimeter, measure the resistance between C831 pin 5 of the speed control actuator, circuit 8-PG13 (white), on the side of the wiring harness, and pin 4 C896 of the airbag sliding contact, circuit 8-PG13 (white), from the wiring harness side.

• Is the resistance less than 5 ohms?

→ Yes

Go to A5

→ No

Repair circuit 8-PG13 (white). Check the correct operation of the system.

A5: CHECK AIR BAG SLIDING CIRCUIT FOR OPEN

1 Disconnect the Speed Control Switch - C921.

2 Using a digital multimeter, measure the resistance between pin 4 (white) connector C896 of the airbag slider, sliding side, and pin 3 of the connector C921 of the airbag slider, sliding side, and between pin 5 (brown) connector C896 of the airbag sliding contact, sliding side, and pin 2 of the connector C921 of the airbag sliding contact, sliding side, and between pin 6 (green/yellow) connector C896 of the airbag sliding contact, on the sliding contact side, and between pin 1 of the airbag sliding contact connector C921, on the component side.

• Is the resistance less than 5 ohms?

→ Yes

Install a new speed control switch. Check the correct operation of the system.

→ No

Install a new airbag slider. Check the correct operation of the system.

A6: 91-PG12 ELECTRICAL CIRCUIT CHECK (BLACK/WHITE) FOR A BREAK

1 Using a digital multimeter, measure the resistance between C831 pin 10 of the speed control actuator, circuit 91-PG12 (black/white), from the wiring side, and "weight".

• Is the resistance less than 5 ohms?

→ Yes

Go to A7

→ No

Repair the electrical circuit. Check the correct operation of the system.

A7: 15-PG12 ELECTRICAL CIRCUIT CHECK (GREEN/WHITE) FOR VOLTAGE

1 Drive the ON position.

2 Using a digital multimeter, measure the voltage between C831 pin 7 of the speed control actuator, circuit 15-PG12 (green/white), on the wiring harness side, and "weight".

• Is the resistance over 10V?

→ Yes

Go to A8

→ No

Check fuse 53 (10 A). If it is blown, install a new fuse. Check the correct operation of the system. If the fuse blows again, check for a short to "mass". If the fuse is good, repair circuit 15-PG12 (green/white). Check the correct operation of the system.

A8: BRAKE PEDAL POSITION SWITCH INPUT CHECK (WRR)

1 Using a digital multimeter, measure the voltage between pin 9 of the C831 speed control actuator circuit 15S-PG16 (green/yellow), on the wiring harness side, and "weight".

• Is the resistance over 10V?

→ Yes

Go to A12

→ No

Go to A9

A9: BRAKE PEDAL POSITION SWITCH CHECK (WRR)

1 Disconnect the BPP Switch - C824.

2 Using a digital multimeter, measure the resistance between pins 1 and 2 of the BPP switch C824, switch side, with the switch plunger depressed and released.

• Is the resistance greater than 10,000 ohms when the plunger is depressed and less than 5 ohms when the plunger is released?

→ Yes

Go to A10

→ No

Install a new BPP switch. Check the correct operation of the system.

A10: 15-PG6 ELECTRICAL CIRCUIT CHECK (GREEN/YELLOW) FOR THE PRESENCE OF VOLTAGE IN THE CIRCUIT

1 Using a digital multimeter, measure the voltage between pin 2 of C824 switch BPP, circuit 15-PG6 (green/yellow), from the wiring side, and "weight".

• Is the resistance over 10V?

→ Yes

Go to A11

→ No

Check fuse 54 (15 A). If it is blown, install a new fuse. Check the correct operation of the system. If the fuse blows again, check for a short to "mass". If the fuse is OK, repair circuit 15-PG6 (green/yellow). Check the correct operation of the system.

A11: 15S-PG16 ELECTRICAL CIRCUIT CHECK (GREEN/YELLOW) FOR GAPS

1 Using a digital multimeter, measure the resistance between pin 9 of C831 of the speed control actuator, circuit 15S-PG16 (green/yellow), on the side of the wiring harness, and pin 1 C824 of the BPP switch, electrical circuit 15S-PG16 (green/yellow) from the side of the wiring harness.

• Is the resistance less than 5 ohms?

→ Yes

Adjust the BPP switch. Check the correct operation of the system.

→ No

Repair circuit 15S-PG16 (green/yellow). Check the correct operation of the system.

A12: CHECKING THE SIGNAL FROM THE STOP LIGHT SWITCH TO THE ACTUATOR

1 Using a digital multimeter, measure the voltage between C831 pin 4 of the speed control actuator, circuit 15S-PG17 (green/blue), on the wiring harness side, and "weight", with the brake pedal depressed.

• Is the resistance over 10V?

→ Yes

Go to A15

→ No

Vehicles with a manual transmission in a block with a drive axle. Go to A13 If brake lights function properly, REPAIR circuit 15S-PG17 (green/blue). Check the correct operation of the system.

If the brake lights are faulty, refer to Section 417-01 for more information.

A13: CHECK POWER SUPPLY TO CLUTCH PEDAL POSITION SWITCH (SRR).

1 Disconnect CPP Switch - C825.

2 Using a digital multimeter, measure the voltage between C825 pin 3 of the CPP switch, circuit 15S-PG7 (green/blue), from the wiring side, and "weight", with the clutch pedal depressed.

• Is the resistance over 10V?

→ Yes

Go to A14

→ No

Repair circuit 15S-PG7 (green/blue). Check the correct operation of the system.

A14: CLUTCH PEDAL POSITION SWITCH CHECK (SRR)

1 Using a digital multimeter, measure the resistance between pins 1 and 3 of the C825 CPP switch, switch side.

• Is the resistance less than 5 ohms?

→ Yes

Repair circuit 15S-PG7 (green/blue). Check the correct operation of the system.

→ No

Adjust or install a new CPP switch. Check the correct operation of the system.

A15: VEHICLE SPEED SENSOR SIGNAL TEST (VSS) TO EXECUTIVE DEVICE

1 Disconnect the instrument panel - C809.

2 Disconnect the Powertrain Control Module (RSM) - C415.

3 Using a digital multimeter, measure the resistance between C415 PCM pin 28 (pin 4 on 60-pin PCM), electrical circuit 8-RE22 (white/green), on the side of the wiring harness, and pin 3 C831 of the actuator of the speed control system, electrical circuit 8-PG18 (white/blue), from the wiring harness side.

• Is the resistance over 10,000 ohms?

→ Yes

Repair circuit 8-PG18 (white/blue) or 8-RE22 (white/green). Check the correct operation of the system.

→ No

Use WDS/FDS 2000 to retrieve stored DTCs. If there are no DTCs, install a new speed control actuator. Check the correct operation of the system.

B1: BRAKE PEDAL POSITION SWITCH CHECK (WRR)

1 Enter the OFF position.

2 Disconnect the BPP Switch - C824.

3 Using a digital multimeter, measure the resistance between pins 1 and 2 of the BPP switch C824, switch side, with the brakes not applied.

• Is the resistance less than 5 ohms?

→ Yes

Navigate to B2

→ No

Adjust or install a new BPP switch. Check the correct operation of the system.

B2: 15-PG6 ELECTRICAL CIRCUIT CHECK (GREEN/YELLOW) BRAKE PEDAL SWITCH FOR VOLTAGE

1 Drive the ON position.

2 Using a digital multimeter, measure the voltage between pin 2 of C824 switch BPP, circuit 15-PG6 (green/yellow), on the wiring harness side, and "weight".

• Is the resistance over 10V?

→ Yes

Go to B3

→ No

If brake lights work, repair circuit 15-PG6 (green/yellow). Check the correct operation of the system.

If the brake lights are not working, refer to Section 417-01 for more information.

B3: 15S-PG16 ELECTRICAL CIRCUIT CHECK (GREEN/YELLOW) FOR GAPS

1 Enter the OFF position.

2 Disconnect the Speed Control Actuator - C831.

3 Using a digital multimeter, measure the resistance between C824 pin 1 of the BPP switch, circuit 15S-PG16 (green/yellow), and pin 9 C831 speed control system, electrical circuit 15S-PG16 (green/yellow), from the wiring harness side.

• Is the resistance less than 5 ohms?

→ Yes

Install a new speed control actuator. Check the correct operation of the system.

→ No

Repair circuit 15S-PG16 (green/yellow). Check the correct operation of the system.

C1: COAST SWITCH TEST

1 Enter the OFF position.

2 Disconnect the Speed Control Actuator - C831.

3 Using a digital multimeter, measure the resistance between C831 pin 5 of the speed control actuator, circuit 8-PG13 (white), and pin 6 C831 electrical circuit 9-PG13 (brown), on the wiring harness side, with the COAST switch pressed.

• Is the resistance between 110 and 130 ohms?

→ Yes

Install a new speed control actuator. Check the correct operation of the system.

→ No

Go to C2 Go to PINPOINT TEST C

C2: CHECK RESUME SWITCH

1 Using a digital multimeter, measure the resistance between C831 pin 5 of the speed control actuator, circuit 8-PG13 (white), and pin 6 C831 electrical circuit 9-PG13 (brown), on the wiring harness side, with the RESUME switch pressed.

• Is the resistance between 110 and 130 ohms?

→ Yes

Install a new COAST switch. Check the correct operation of the system.

→ No

Go to A4

D1: RESUME SWITCH TEST

1 Enter the OFF position.

2 Disconnect the Speed Control Actuator - C831.

3 Using a digital multimeter, measure the resistance between C831 pin 5 of the speed control actuator, circuit 8-PG13 (white), on the side of the wiring harness, and pin 6 C831, electrical circuit 9-PG13 (brown), on the wiring harness side, with the RESUME switch pressed.

• Is the resistance between 110 and 130 ohms?

→ Yes

Install a new speed control actuator. Check the correct operation of the system.

→ No

Go to D2.

D2: COAST SWITCH TEST

1 Using a digital multimeter, measure the resistance between C831 pin 5 of the speed control actuator, circuit 8-PG13 (white), and pin 6 C831 electrical circuit 9-PG13 (brown), on the wiring harness side, with the COAST switch pressed.

• Is the resistance between 110 and 130 ohms?

→ Yes

Install a new RESUME switch. Check the correct operation of the system.

→ No

Go to A4

E1: CLUTCH PEDAL POSITION SWITCH CHECK (SRR)

1 Disconnect CPP Switch - C825.

2 Using a digital multimeter, measure the resistance between pins 1 and 3 of the C825 switch on the switch side, with the switch plunger depressed and released.

• Is the resistance greater than 10,000 ohms when the plunger is depressed and less than 5 ohms when the plunger is released?

→ Yes

Adjust the CPP switch.

→ No

Install a new CPP switch.