SET Not Occurring Or CANCEL Occurring (No DTCs Present)
- Perform CRUISE CONTROL ON-OFF (MAIN) SWITCH CIRCUIT under SYSTEM TESTS.
- Perform DTC 21: VEHICLE SPEED SENSOR CIRCUIT under DIAGNOSTIC TESTS.
- Perform DTC 32: CRUISE CONTROL SWITCH CIRCUIT under DIAGNOSTIC TESTS.
- Perform STOPLIGHT SWITCH CIRCUIT under SYSTEM TESTS.
- Perform PARK/NEUTRAL POSITION SWITCH CIRCUIT under SYSTEM TESTS.
- Perform DTC 11 OR 15: ACTUATOR MOTOR CIRCUIT under DIAGNOSTIC TESTS.
- Check actuator control cable adjustment. See ADJUSTMENTS .
- Replace cruise control ECU with a known-good ECU and retest. If symptom is no longer present, replace ECU.