Cruise Control Inoperative/Malfunctioning

CRUISE CONTROL INOPERATIVE/MALFUNCTIONING

DIAGNOSTIC AIDS

CAUTION: Refer to SIR Caution in Service Precautions.

Disable the inflatable restraint steering wheel module when performing this diagnostic table. Refer to SIR Disabling and Enabling Zone 3 in Restraint Systems.

Perform the following in order to avoid misdiagnosis:
- Ensure that the following cruise control switches are not stuck in the engaged position:
- On/Off switch
- Set/Coast switch
- Resume/Accel switch
- Cancel switch
- Inspect for proper operation of the stop lamps.
- Rotate the steering wheel to both steering stops and activate each cruise control switch separately. With a scan tool, observe the associated cruise control switch parameter in the Body and Accessories Cruise Control data list. This will help eliminate the possibility of a internally open or shorted inflatable restraint steering wheel module coil.
- For an intermittent condition,

TEST DESCRIPTION

Step 1 - Step 9:

Step 10 - Step 14:

Step 15 - Step 25:

Step 26:

The number below refers to the step number on the diagnostic path.
26. DTCs will set in the PCM when you perform this diagnostic table.