Cruise Control - Inoperative/Malfunctioning

CRUISE CONTROL INOPERATIVE/MALFUNCTIONING

DIAGNOSTIC AIDS

IMPORTANT: Perform the following in order to avoid misdiagnosis:
- Inspect for proper adjustment of the brake switches.
- Inspect for proper operation of brake lamps.
- Inspect throttle linkage for mechanical binding which could cause the system to malfunction.
- Inspect cruise control cable adjustment, should have minimum slack.
- Electromagnetic interface (EMI) on the speed sensor signal circuit may cause erratic cruise control operation.

TEST

Steps 1 - 12:

Steps 13 - 25:

Steps 26 - 33: