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2006-09 Model

  1. Connect the Honda Diagnostic System (HDS) to the data link connector (DLC).
  2. Turn the ignition switch ON (II).
  3. Make sure the HDS communicates with the vehicle and the engine control module (ECM). If it does not, troubleshoot the DLC circuit (see DLC CIRCUIT TROUBLESHOOTING ).
  4. Go to PGM-FI, and check for DTCs.
  5. Do the following tests while monitoring parameters in the PGM-FI DATA LIST with the HDS.
    CRUISE CONTROL INPUT TEST - 2006-08 MODEL

    Signal to be tested Test condition Parameter: Desired result Possible cause if result is not obtained
    Brake switch signal Brake pedal pressed, then released with cruise control main switch turned on CRUISE BRAKE SW should indicate OFF when the brake pedal is pressed and ON when the brake pedal is released.
    • Faulty brake pedal position switch
    • Blown No.6 (15 A) fuse in the under-dash fuse/relay box
    • An open in the wire between the ECM and the brake pedal position switch
    • A wire shorted to ground between the ECM and the brake pedal position switch
    Clutch pedal position switch signal Clutch pedal pressed, then released SHIFT/CLUTCH SW should indicate OFF when the clutch pedal is pressed and ON when the clutch pedal is released.
    • Faulty clutch pedal position switch
    • An open in the wire between the ECM and the clutch pedal position switch
    • A wire shorted to ground between the ECM and the clutch pedal position switch
    • Poor ground G401
    Cruise control main switch signal Cruise control main switch on and off CRUISE MASTER (MAIN) SW should indicate ON when the cruise control main switch is turned on and OFF when the cruise control main switch is turned off.
    • Faulty cruise control main switch
    • Blown No.6 (15A) fuse in the under-dash fuse/relay box
    • An open in the wire between the ECM and the cruise control main switch
    • A wire shorted to ground between the ECM and the cruise control main switch
    Set switch signal Set/decel switch pressed and released CRUISE SET SW should indicate ON when the set/decel switch is pressed and OFF when the set/decel switch is released.
    • Faulty cruise control set/decel, resume/accel, cancel switch
    • An open in the wire between the ECM and the cruise control set/decel, resume/accel, cancel switch
    • A wire shorted to ground between the ECM and the cruise control set/decel, resume/accel, cancel switch
    Resume switch signal Resume/accel switch pressed and released CRUISE RESUME SW should indicate ON when the resume/accel switch is pressed and OFF when the resume/accel switch is released.
    • Faulty cruise control set/decel, resume/accel, cancel switch
    • An open in the wire between the ECM and the cruise control set/decel, resume/accel, cancel switch
    • A wire shorted to ground between the ECM and the cruise control set/decel, resume/accel, cancel switch
    Cancel switch signal Cancel switch pressed and released CRUISE CANCEL SW should indicate ON when the cancel switch is pressed and OFF when the cancel switch is released.
    • Faulty cruise control set/decel, resume/accel, cancel switch
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