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 main switch 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 set/decel switch or resume/accel switch is pressed | 1. 2. 3. | Check for PGM-FI and body DTCs. Do the cruise control input test. Test the cruise control set/decel and resume/accel switch 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 main switch is pressed | 1. 2. 3. | Check for PGM-FI and body DTCs. Do the cruise control input test. Test the cruise control main switch 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 switch 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 switch 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 resume/accel switch is pressed (with the cruise control main switch 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 resume/accel switch 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 resume/accel switch is pressed (with the cruise control main switch 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 resume/accel switch 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