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. |
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-diagnostic function procedure. Do the cruise control input test. Test the cruise control master button signal input. | 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-diagnostic function procedure. Do the cruise control input test. Test the cruise control indicator signal input. | 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. Test the cruise control DECEL/SET and RES/ACCEL button signal inputs. Do the cruise control combination switch test. | Open circuit, loose or disconnected terminals: GRY, LT GRN
Set speed does not cancel when the brake pedal is pressed | 1. 2. 3. | 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. Test the brake pedal position switch signal input. |

- Short in the WHT/BLK wire
- Faulty brake pedal position switch

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. Test the cruise control master button signal input. Do the cruise control combination switch test. | Short to ground on the GRN (LHD), LT GRN (RHD) wire
Set speed does not cancel when the CANCEL button is pressed | 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. Do the cruise control input test. Test the cruise control CANCEL button signal input. Do the cruise control combination switch test. | Open circuit, loose or disconnected terminals: GRY, LT GRN 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. 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. Test the cruise control RES/ACCEL button signal input.
Test the brake pedal position switch signal input.
Do the cruise control combination switch test.

- Open circuit, loose or disconnected terminals: LT GRN
- 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. Test the cruise control RES/ACCEL button signal input. Test the clutch pedal position switch signal input.
Do the cruise control combination switch test.

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