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Home >> Acura >> 2007 >> MDX >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Symptom Troubleshooting Index

Symptom Troubleshooting Index

TROUBLESHOOTING CHART

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. 11 (15 A) fuse in the main under-dash fuse/relay box, and the No. 18 (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. 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 main switch signal input.
Faulty gauge control module
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 (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
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, GRY or LT GRN/BLK, YEL
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 AND BRAKE PEDAL POSITION SWITCH ADJUSTMENT ).
  • Short to power on the BRN wire
  • Faulty brake pedal position switch
Set speed does not cancel when the cruise control main switch is turned off
  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, LT GRN 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, GRY or LT GRN/BLK, YEL
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: LTGRN/ BLK, YEL
With the ignition switch ON (II), and the lighting switch turned on, the cruise control combination switch illumination does not come on Do the cruise control combination switch test (see CRUISE CONTROL COMBINATION SWITCH TEST/REPLACEMENT  ).