Cruise Control Symptom Troubleshooting

K24A1, K20A4 (KE, KG, KS, models) engines
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 No. 18 (15 A) fuse in the under-dash fuse/relay box.
Do the cruise control input test.
Do the cruise control SET/decel, RESUME/accel, CANCEL 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 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-diagnostic procedure.
Do the cruise control input test. 
Faulty gauge control module 
Vehicle does not decelerate or accelerate accordingly when the SET/decel or RESUME/accel button is pressed 1.
2.
3. 
Check for PGM-FI and body DTCs.
Do the cruise control input test.
Do the cruise control SET/decel, RESUME/accel, CANCEL switch test. 
Open circuit, loose or disconnected terminals: LT GRN/BLK or GRY/RED 
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 No. 18 (15 A) fuse in the under-dash fuse/relay box.
Do the cruise control input test. 
  • Short in the BRN 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.
Do the cruise control SET/decel, RESUME/accel, CANCEL switch test. 
Short to ground on the LT GRN 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.
Do the cruise control SET/decel, RESUME/accel, CANCEL switch test. 
Open circuit, loose or disconnected terminals: LT GRN/BLK or GRY/RED 

Symptom Diagnostic procedure Also check for 
Set speed will not resume when the RESUME/accel button is pressed (with the cruise control master button 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 No. 18 (15 A) fuse in the under-dash fuse/relay box.
Do the cruise control input test.
Do the cruise control SET/decel, RESUME/accel, CANCEL switch test. 
  • Open circuit, loose or disconnected terminals: LT GRN/BLK
  • Faulty brake pedal position switch