Pinpoint Tests

Pinpoint Tests

PINPOINT TEST G1224562p1 : SPEED CONTROL SWITCH CIRCUIT TESTS

WARNING: To avoid accidental deployment and possible personal injury, the back-up power supply must be depleted before repairing or replacing any supplemental restraint system (SRS) components. To deplete the back-up power supply energy, disconnect the battery GROUND cable and wait two minutes. Failure to follow this instruction may result in personal injury.

G1224562t1 : CHECK THE STEERING WHEEL SPEED CONTROL SWITCH FOR OPEN CIRCUIT
1 Disconnect the battery negative terminal.
2 Wait two minutes for the system to become safe.
3 Disconnect the speed control switch connector SW009.
4 Measure the resistance between:
- speed control switch connector SW009, pin 02, component side
- speed control switch connector SW009, pin 03, component side
- Is the resistance 4310 ohms?

->Yes
GO to Pinpoint Test G1224562t2.

->No
INSTALL a new speed control switch assembly. For additional information, refer to Speed Control Switch Speed Control Switch TEST the system for normal operation.

G1224562t2 : CHECK THE STEERING WHEEL SPEED CONTROL RESUME SWITCH CIRCUIT
1 Measure the resistance between:
- speed control switch connector SW009, pin 02, component side
- speed control switch connector SW009, pin 03, component side
2 Operate the RESUME switch.
- Does the resistance switch between 4310 ohms and 2110 ohms when the switch is operated?

->Yes
GO to Pinpoint Test G1224562t3.

->No
INSTALL a new speed control switch assembly. For additional information, refer to Speed Control Switch Speed Control Switch TEST the system for normal operation.

G1224562t3 : CHECK THE STEERING WHEEL SPEED CONTROL SET+ SWITCH CIRCUIT
1 Measure the resistance between:
- speed control switch connector SW009, pin 02, component side
- speed control switch connector SW009, pin 03, component side
2 Operate the SET+ switch.
- Does the resistance switch between 4310 ohms and 1110 ohms when the switch is operated?

->Yes
GO to Pinpoint Test G1224562t4.

->No
INSTALL a new speed control switch assembly. For additional information, refer to Speed Control Switch Speed Control Switch TEST the system for normal operation.

G1224562t4 : CHECK THE STEERING WHEEL SPEED CONTROL HEADWAY REDUCTION SWITCH CIRCUIT
1 Measure the resistance between:
- speed control switch connector SW009, pin 02, component side
- speed control switch connector SW009, pin 03, component side
2 Operate the HEADWAY REDUCTION switch.
- Does the resistance switch between 4310 ohms and 600 ohms when the switch is operated?

->Yes
GO to Pinpoint Test G1224562t5.

->No
INSTALL a new speed control switch assembly. For additional information, refer to Speed Control Switch Speed Control Switch TEST the system for normal operation.

G1224562t5 : CHECK THE STEERING WHEEL SPEED CONTROL HEADWAY INCREASE SWITCH CIRCUIT
1 Measure the resistance between:
- speed control switch connector SW009, pin 02, component side
- speed control switch connector SW009, pin 03, component side
2 Operate the HEADWAY INCREASE switch.
- Does the resistance switch between 4310 ohms and 300 ohms when the switch is operated?

->Yes
GO to Pinpoint Test G1224562t6.

->No
INSTALL a new speed control switch assembly. For additional information, refer to Speed Control Switch Speed Control Switch TEST the system for normal operation.

G1224562t6 : CHECK THE STEERING WHEEL SPEED CONTROL SET- SWITCH CIRCUIT
1 Measure the resistance between:
- speed control switch connector SW009, pin 02, component side
- speed control switch connector SW009, pin 03, component side
2 Operate the SET- switch.
- Does the resistance switch between 4310 ohms and 120 ohms when the switch is operated?

->Yes
GO to Pinpoint Test G1224562t7.

->No
INSTALL a new speed control switch assembly. For additional information, refer to Speed Control Switch Speed Control Switch TEST the system for normal operation.

G1224562t7 : CHECK THE STEERING WHEEL SPEED CONTROL CANCEL SWITCH CIRCUIT
1 Measure the resistance between:
- speed control switch connector SW009, pin 02, component side
- speed control switch connector SW009, pin 03, component side
2 Operate the CANCEL switch.
- Does the resistance switch between 4310 ohms and zero ohms when the switch is operated?

->Yes
GO to Pinpoint Test G1224562t8.

->No
INSTALL a new speed control switch assembly. For additional information, refer to Speed Control Switch Speed Control Switch TEST the system for normal operation.

G1224562t8 : CHECK THE STEERING WHEEL SPEED CONTROL SWITCH CIRCUIT FOR OPEN CIRCUIT
1 Measure the resistance between:
- speed control switch connector SW009, pin 02, harness side
- steering wheel audio control switch connector SW004, pin 02, harness side
- Is the resistance greater than 5 ohms?

->Yes
REPAIR the circuit speed control switch connector SW009, pin 02 to clockspring connector SW004, pin 02. For additional information, refer to the wiring diagrams. TEST the system for normal operation.

->No
GO to Pinpoint Test G1224562t9.

G1224562t9 : CHECK THE STEERING WHEEL SPEED CONTROL SWITCH FOR OPEN CIRCUIT
1 Measure the resistance between:
- speed control switch connector SW009, pin 03, harness side
- steering wheel audio control switch connector SW004, pin 03, harness side
- Is the resistance greater than 5 ohms?

->Yes
REPAIR the circuit speed control switch connector SW009, pin 02 to clockspring connector SW004, pin 02. For additional information, refer to the wiring diagrams. TEST the system for normal operation.

->No
No fault has been identified with the speed control switch or circuit, check integrity of connections. Refer to the electrical circuit diagrams and test the LIN circuit between the steering wheel audio switch and the instrument cluster. Test the steering wheel audio switch.

PINPOINT TEST G1224562p2 : BRAKE SWITCH CIRCUIT TEST

G1224562t10 : CHECK THE BRAKE SWITCH FUNCTION, WITH THE BRAKE PEDAL RELEASED
1 Set ignition status to OFF.
2 Disconnect the brake switch connector CA142.
3 Measure the resistance between:
- Brake switch connector CA142, pin 02 component side
- Brake switch connector CA142, pin 03 component side
- Is the resistance greater than 5 ohms?

->Yes
INSTALL a new brake switch. TEST the system for normal operation.

->No
GO to Pinpoint Test G1224562t11.

G1224562t11 : CHECK THE BRAKE SWITCH FUNCTION, WITH THE BRAKE PEDAL DEPRESSED
1 Measure the resistance between:
- Brake switch connector CA142, pin 02 component side
- Brake switch connector CA142, pin 03 component side
- Is the resistance greater than 10,000 ohms?

->Yes
GO to Pinpoint Test G1224562t12.

->No
INSTALL a new brake switch. TEST the system for normal operation.

G1224562t12 : CHECK THE BRAKE SWITCH GROUND CIRCUIT FOR OPEN CIRCUIT
1 Measure the resistance between:
- Brake switch connector CA142, pin 03
- GROUND
- Is the resistance greater than 5 ohms?

->Yes
REPAIR the circuit between the brake switch connector CA142, pin 03 and GROUND. For additional information, refer to the wiring diagrams. TEST the system for normal operation.

->No
GO to Pinpoint Test G1224562t13.

G1224562t13 : CHECK THE ECM TO BRAKE SWITCH CIRCUIT FOR OPEN CIRCUIT
1 Disconnect the ECM connector, FL072.
2 Measure the resistance between:
- ECM connector FL072, pin 40
- Brake switch connector CA142, pin 02
- Is the resistance greater than 5 ohms?

->Yes
GO to Pinpoint Test G1224562t14.

->No
No fault is indicated with the brake switch or circuit. Check the integrity of all connections and TEST the system for normal operation.

G1224562t14 : CHECK THE ECM TO BRAKE SWITCH CIRCUIT FOR OPEN CIRCUIT
1 Disconnect intermediate electrical connector FL002.
2 Measure the resistance between:
- ECM connector FL072, pin 40
- Intermediate electrical connector FL002, pin 13
- Is the resistance greater than 5 ohms?

->Yes
REPAIR the circuit between the ECM connector FL072, pin 40 and intermediate electrical connector FL002, pin 13. For additional information, refer to the wiring diagrams. TEST the system for normal operation.

->No
GO to Pinpoint Test G1224562t15.

G1224562t15 : CHECK THE ECM TO BRAKE SWITCH CIRCUIT FOR OPEN CIRCUIT
1 Measure the resistance between:
- Brake switch connector CA142, pin 02
- Intermediate electrical connector FL002, pin 13
- Is the resistance greater than 5 ohms?

->Yes
REPAIR the circuit between the brake switch connector CA142, pin 02 and intermediate electrical connector FL002, pin 13. For additional information, refer to the wiring diagrams. TEST the system for normal operation.

->No
No fault is indicated with the brake switch or circuit. Check the integrity of all connections and TEST the system for normal operation.