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Symptom Troubleshooting Index

CRUISE CONTROL SYMPTOM TROUBLESHOOTING INDEX

Symptom Diagnostic procedure Also check for
Cruise control cannot be set
  1. Check for PGM-FI and body DTCs.
  2. Check the No. 47 (20 A) fuse in the under-hood fuse/relay box, and the No. 9 (10 A) fuse in the driver's under-dash fuse/relay box.
  3. Do the cruise control input test (see CRUISE CONTROL INPUT TEST  ).
  4. Do the cruise control main switch test (see CRUISE CONTROL MAIN SWITCH TEST/ REPLACEMENT  ).
  5. Do the cruise control set/decel, resume/accel, cancel switch test (see CRUISE CONTROL MAIN SWITCH TEST/ REPLACEMENT  ).
 
Cruise control can be set, but the cruise control main switch indicator does not come on
  1. Check for PGM-FI and body DTCs.
  2. Check the No. 47 (20 A) fuse in the under-hood fuse/relay box, and the No. 9 (10 A) fuse in the driver's under-dash fuse/relay box.
  3. Do the cruise control input test (see CRUISE CONTROL INPUT TEST  ).
  4. Do the cruise control main switch test (see CRUISE CONTROL MAIN SWITCH TEST/ REPLACEMENT  ).
  • Faulty indicator bulb
  • Poor ground G401
Cruise control can be set, but the cruise control indicator does not come on
  1. Check for PGM-FI and body DTCs.
  2. Check the No. 47 (20 A) fuse in the under-hood fuse/relay box, and the No. 9 (10 A) fuse in the driver's under-dash fuse/relay box.
  3. Do the cruise control input test (see CRUISE CONTROL INPUT TEST  ).
  • Faulty gauge assembly
  • A burnt cruise control indicator bulb
Vehicle does not decelerate or accelerate accordingly when the set/ decel or resume/accel switch is pressed
  1. Check for PGM-FI and body DTCs.
  2. Check the No. 47 (20 A) fuse in the under-hood fuse/relay box, and the No. 9 (10 A) fuse in the driver's under-dash fuse/relay box.
  3. Do the cruise control input test (see CRUISE CONTROL INPUT TEST  ).
  4. Do the cruise control set/decel, resume/accel, cancel switch test (see CRUISE CONTROL MAIN SWITCH TEST/ REPLACEMENT  ).
Open circuit, loose or disconnected terminals: LTGRN/BLK or LTGRN/RED wire
Set speed does not cancel when the brake pedal is pressed
  1. Check for PGM-FI and body DTCs.
  2. Check the brake pedal position switch adjustment (see BRAKE PEDAL AND BRAKE PEDAL POSITION SWITCH ADJUSTMENT ).
  3. Check the No. 47 (20 A) fuse in the under-hood fuse/relay box, and the No. 9 (10 A) fuse in the driver's under-dash fuse/relay box.
  4. Do the cruise control input test (see CRUISE CONTROL INPUT TEST  ).
Short to power in WHT/RED wire
Set speed does not cancel when the cruise control main switch is turned off
  1. Check for PGM-FI and body DTCs.
  2. Check the No. 47 (20 A) fuse in the under-hood fuse/relay box, and the No. 9 (10 A) fuse in the driver's under-dash fuse/relay box.
  3. Do the cruise control input test (see CRUISE CONTROL INPUT TEST  ).
  4. Do the cruise control main switch test (see CRUISE CONTROL MAIN SWITCH TEST/ REPLACEMENT  ).
Short to ground in LTGRN wire
Set speed does not cancel when the cancel switch is pressed
  1. Check for PGM-FI and body DTCs.
  2. Check the No. 47 (20 A) fuse in the under-hood fuse/relay box, and the No. 9 (10 A) fuse in the driver's under-dash fuse/relay box.
  3. Do the cruise control input test (see CRUISE CONTROL INPUT TEST  ).
  4. Do the cruise control set/decel, resume/accel, cancel switch test (see CRUISE CONTROL MAIN SWITCH TEST/ REPLACEMENT  ).
Open circuit, loose or disconnected terminals: LTGRN/BLK or LTGRN/RED 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. Check for PGM-FI and body DTCs.
  2. Check the brake pedal position switch adjustment (see BRAKE PEDAL AND BRAKE PEDAL POSITION SWITCH ADJUSTMENT ).
  3. Check the No. 47 (20 A) fuse in the under-hood fuse/relay box, and the No. 9 (10 A) fuse in the driver's under-dash fuse/relay box.
  4. Do the cruise control input test (see CRUISE CONTROL INPUT TEST  ).
  5. Do the cruise control set/decel, resume/accel, cancel switch test (see CRUISE CONTROL MAIN SWITCH TEST/ REPLACEMENT  ).
  • Open circuit, loose or disconnected terminals: LTGRN/BLK or LTGRN/RED wire
  • Faulty brake pedal position switch
With the ignition switch ON (II), and the lighting switch turned on, the cruise control main switch illumination does not come on Replace the cruise control main switch illumination bulb (see CRUISE CONTROL MAIN SWITCH TEST/ REPLACEMENT  ).