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Symptom Troubleshooting Index

SYMPTOM TROUBLESHOOTING INDEX

Symptom Diagnostic procedure Also check for
Cruise control cannot be set
  1. Check for PGM-FI DTCs (see GENERAL TROUBLESHOOTING INFORMATION ).
  2. Check the No. 3 (10 A) fuse in the under-dash fuse/relay box.
  3. Do the cruise control input test (see CRUISE CONTROL INPUT TEST ).
  4. Do the cruise control combination switch test (see CRUISE CONTROL COMBINATION SWITCH TEST/REPLACEMENT ).
  
Cruise control can be set, but the cruise main indicator does not come on
  1. Do the gauge control module self-diagnostic function procedure (see SELF-DIAGNOSTIC FUNCTION ).
 Faulty gauge control module (tach)
Cruise control can be set, but the cruise control indicator does not come on
  1. Check for PGM-FI DTCs (see GENERAL TROUBLESHOOTING INFORMATION ).
  2. Do the gauge control module self-diagnostic function procedure (see SELF-DIAGNOSTIC FUNCTION ).
  3. Do the cruise control input test (see CRUISE CONTROL INPUT TEST ). Test the cruise control indicator signal input.
 Faulty gauge control module (tach)
Vehicle does not decelerate or accelerate accordingly when the set/ decel or resume/accel switch is pressed
  1. Check for PGM-FI DTCs (see GENERAL TROUBLESHOOTING INFORMATION ).
  2. Do the cruise control input test (see CRUISE CONTROL INPUT TEST ). Test the cruise control set/decel, resume/accel switch signal input.
  3. Do the cruise control combination switch test (see CRUISE CONTROL COMBINATION SWITCH TEST/REPLACEMENT ).
 Open circuit, loose or disconnected terminals: YEL/RED, LT GRN or LT GRN/BLK, ORN
Set speed does not cancel when the brake pedal is pressed
  1. Check for PGM-FI DTCs (see GENERAL TROUBLESHOOTING INFORMATION ).
  2. Do the cruise control input test (see CRUISE CONTROL INPUT TEST ). Test the brake pedal position switch signal input.
  3. Do the brake pedal position switch test (see BRAKE PEDAL POSITION SWITCH TEST ).
  • Short to power on the BRN wire
  • Faulty brake pedal position switch
Set speed does not cancel (engine RPM stays high) when the clutch pedal is pressed (M/T)
  1. Check for PGM-FI DTCs (see GENERAL TROUBLESHOOTING INFORMATION ).
  2. Do the cruise control input test (see CRUISE CONTROL INPUT TEST ). Test the clutch pedal position switch signal input.
  3. Do the clutch pedal position switch test (see CLUTCH PEDAL POSITION SWITCH TEST ).
  • Short in the LT BLU wire
  • Faulty clutch pedal position switch
Set speed does not cancel when the cruise control main switch is pressed
  1. Check for PGM-FI DTCs (see GENERAL TROUBLESHOOTING INFORMATION ).
  2. Do the cruise control input test (see CRUISE CONTROL INPUT TEST ). Test the cruise control main switch signal input.
  3. Do the cruise control combination switch test (see CRUISE CONTROL COMBINATION SWITCH TEST/REPLACEMENT ).
  • Short to power on the PNK, YEL wire
Set speed does not cancel when the cancel switch is pressed
  1. Check for PGM-FI DTCs (see GENERAL TROUBLESHOOTING INFORMATION ).
  2. Do the cruise control input test (see CRUISE CONTROL INPUT TEST ). Test the cruise control cancel switch signal input.
  3. Do the cruise control combination switch test (see CRUISE CONTROL COMBINATION SWITCH TEST/REPLACEMENT ).
 Open circuit, loose or disconnected terminals: YEL/RED, LT GRN or LT GRN/BLK, ORN
SYMPTOM TROUBLESHOOTING INDEX (CONT.)

Symptom Diagnostic procedure Also check for
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 DTCs (see GENERAL TROUBLESHOOTING INFORMATION ).
  2. Check the brake pedal position switch adjustment (see BRAKE PEDAL AND BRAKE PEDAL POSITION SWITCH ADJUSTMENT ).
  3. Do the cruise control input test (see CRUISE CONTROL INPUT TEST ). Test the cruise control resume/accel switch signal input. Test the brake pedal position switch signal input.
  4. Do the cruise control combination switch test (see CRUISE CONTROL COMBINATION SWITCH TEST/REPLACEMENT ).
  • Faulty brake pedal position switch
  • Open circuit, loose or disconnected terminals: LT GRN/BLK, ORN
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) mm
  1. Check for PGM-FI DTCs (see GENERAL TROUBLESHOOTING INFORMATION ).
  2. Check the clutch pedal position switch adjustment (see CLUTCH PEDAL, CLUTCH PEDAL POSITION SWITCH, AND CLUTCH INTERLOCK SWITCH ADJUSTMENT ).
  3. Do the cruise control input test (see CRUISE CONTROL INPUT TEST ). Test the cruise control resume/accel switch signal input. Test the clutch pedal position switch signal input.
  4. Do the cruise control combination switch test (see CRUISE CONTROL COMBINATION SWITCH TEST/REPLACEMENT ).
  • Faulty clutch pedal position switch
  • Open circuit, loose or disconnected terminals: LT GRN/BLK, ORN
With the ignition switch ON (II), and the lighting switch turned on, the cruise control combination switch illumination does not come on Replace the cruise control combination switch (see CRUISE CONTROL COMBINATION SWITCH TEST/REPLACEMENT ).  
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