Cruise Control Symptom Troubleshooting

Symptom | Diagnostic procedure | Also check for
--- | --- | ---
Cruise control cannot be set | 1. 2. 3. 4. | Check for PGM-FI and body DTCs. Check the No. 13 (20 A) fuse in the under-hood fuse/relay box, and the No. 18 (15 A) fuse in the under-dash fuse/relay box. Do the cruise control input test. Do the cruise control combination switch test. | Poor ground G501
Cruise control can be set, but the CRUISE MAIN indicator does not come on | 1. 2. 3. | Check for PGM-FI and body DTCs. Do the gauge control module self-diagnosis function procedure. Do the cruise control input test. | Faulty gauge control module
Cruise control can be set, but the CRUISE CONTROL indicator does not come on | 1. 2. 3. | Check for PGM-FI and body DTCs. Do the gauge control module self-diagnosis function procedure. Do the cruise control input test. | Faulty gauge control module
Vehicle does not decelerate or accelerate accordingly when the DECEL/SET or RES/ACCEL button is pressed | 1. 2. 3. | Check for PGM-FI and body DTCs. Do the cruise control input test. Do the cruise control combination switch test. | Open circuit, loose or disconnected terminals: LT GRN/BLK or GRY/RED wire
Set speed does not cancel when the brake pedal is pressed | 1. 2. 3. | Check for PGM-FI and body DTCs. Do the cruise control input test. Do the brake pedal position switch test. | Short to power in the WHT/BLK-GRN/BLK wire
Set speed does not cancel when the clutch pedal is pressed | 1. 2. 3. | Check for PGM-FI and body DTCs. Do the cruise control input test. Do the clutch pedal position switch test. | Short to ground in the LT BLU wire
Set speed does not cancel when the cruise control master button is pressed | 1. 2. 3. | Check for PGM-FI and body DTCs. Do the cruise control input test. Do the cruise control combination switch test. | Short to ground in the LT GRN wire
Set speed does not cancel when the CANCEL button is pressed | 1. 2. 3. | Check for PGM-FI and body DTCs. Do the cruise control input test. Do the cruise control combination switch test. | Open circuit, loose or disconnected terminals: LT GRN/BLK or GRY/RED wire
Set speed will not resume when the RES/ACCEL button is pressed (with the cruise control master button turned on and set speed temporarily canceled by pressing the brake pedal) | 1. 2. 3. 4. 5. | Check for PGM-FI and body DTCs. Check the brake pedal position switch adjustment. Check the No. 18 (15 A) fuse in the under-dash fuse/relay box. Do the cruise control input test. Do the cruise control combination switch test. |

- Open circuit, loose or disconnected terminals: BRN/BLK-BLK wire
- Faulty brake pedal position switch

Set speed will not resume when the RES/ACCEL button is pressed (with the cruise control master button turned on and set speed temporarily canceled by pressing the clutch pedal) | 1. 2. 3. 4. | Check for PGM-FI and body DTCs. Check the clutch pedal position switch adjustment. Do the cruise control input test. Do the cruise control combination switch test. |

- Open circuit, loose or disconnected terminals: LT BLU wire
- Faulty clutch pedal position switch