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Home >> Chevrolet >> 2005 >> TrailBlazer 4WD L6-4.2L VIN S >> Repair and Diagnosis >> Cruise Control >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Cruise Control - Inoperative/Malfunctioning
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Cruise Control - Inoperative/Malfunctioning



CRUISE CONTROL INOPERATIVE/MALFUNCTIONING

DIAGNOSTIC AIDS
Perform the following in order to avoid misdiagnosis:
- Inspect for proper operation of the stop lamps.
- Electromagnetic interference (EMI) on the speed sensor signal circuit may cause erratic cruise control operation.

For an intermittent condition, refer to Diagnostic Aids for Circuit Testing and Wiring Repair procedures.

CONDITIONS FOR ENABLING CRUISE CONTROL
- The vehicle speed is greater than 40 km/h (25 mph).
- The vehicle is not in PARK, REVERSE, NEUTRAL, or 1st gear.
- The system voltage is between 12-16 volts.

TEST

Steps 1 - 12:




Steps 13 - 20:




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