Cruise Control - Inoperative/Malfunctioning

DIAGNOSTIC AIDS
To avoid misdiagnosis:
^ Inspect for proper operation of the brake lamps.
^ Inspect throttle linkage for mechanical binding which could cause the system to malfunction.
^ Inspect cruise control cable for adjustment, should have minimum slack.
^ Inspect for stored Diagnostic Trouble Codes (DTCs) in the PCM.
^ EMI on the speed sensor signal circuit may cause erratic cruise control operation.

CONDITIONS FOR ENABLING CRUISE CONTROL
^ When vehicle speed is more than 40 km/h (25 mph).
^ When PARK, REVERSE, NEUTRAL, or 1st gear IS NOT indicated.
^ When an over/undercharged battery condition DOES NOT exist.
^ With normal engine RPM.
^ Without high engine RPM (fuel cut-off).

TEST

Steps 1-10:

Steps 11-24:

Steps 25-36:

Steps 37-43: