Diagnostic Test

CHECK FOR AN ACTIVE DTC
WARNING:
Turn the ignition off disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

WARNING:
Do not place an intact non-deployed airbag face down on a hard surface, the airbag propels into the air if accidentally deployed. Failure to follow these instructions may result in possible serious or fatal injury.
1. Turn the ignition on, engine not running.
2. With the scan tool, read DTCs
  Does the scan tool display this DTC as active?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT DTC diagnostic procedure. Refer to STANDARD PROCEDURE .
(V937) S/C SWITCH GROUND CIRCUIT
1. Turn the ignition off.
2. Remove the Driver Air Bag in accordance with the Service Information. Refer to AIR BAG, DRIVER, REMOVAL .
3. Disconnect the Right Steering Wheel Switch harness connector.
4. Turn the ignition on, engine not running.
5. Measure the voltage between the (V937) S/C Switch Ground circuit and the (V72/V38) S/C Signal 2 circuit at the Steering Wheel Jumper harness connector.
  Is the voltage between 4.5 and 5.2 Volts DC?
  
  Yes
  
  NOTE:
  Visually and physically inspect the wiring harness between the Right Steering Wheel Switch harness connector and the SCM C2 harness connector. Repair any damaged wires, connectors, and open/spread terminals. If harness is OK, proceed with test.
  - Replace the Right Steering Wheel Switch in accordance with the Service Information. Refer to SWITCH, SPEED CONTROL, REMOVAL .
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to STANDARD PROCEDURE .