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Home >> Acura >> 2006 >> RL >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control >> Cruise Control Input Test
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Cruise Control Input Test

  1. Connect the HDS to the data link connector (DLC) (see step 2 on page 11-3).
  2. Turn the ignition switch ON (II).
  3. Go to , and check for DTCs.
  4. Do the following tests while monitoring parameters in the PGM-FI DATA LIST with the HDS.
    NOTE: Intermittent failures are often caused by loose circuit connections. While monitoring cruise control inputs, flex their circuits, and note if any of the test results change.
    PROBLEM SYMPTOM CHART

    Signal to be tested Test condition Parameter: Desired result Possible cause if result is not obtained
    Brake switch signal Brake pedal pressed, then released 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. 18 (15A) fuse in the driver's under-dash fuse/relay box
    • An open in the wire between the powertrain control module (PCM) and the brake pedal position switch
    • A wire shorted to ground between the PCM and the brake pedal position switch
    Transmission range switch signal Shift lever in D or D3 SHIFT/CLUTCH SW should indicate OFF in P, R, and N and ON in D and D3.
    • Faulty transmission range switch
    • An open in the wire between the PCM and the transmission range switch
    • A wire shorted to ground between the PCM and the transmission range switch
    • Poor ground G101 and G102
    Cruise control main switch signal Cruise control main switch ON and OFF CRUISE CONTROL 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 combination switch
    • An open in the wire between the gauge control module and the cruise control combination switch
    • A wire shorted to ground between the gauge control module and the cruise control combination switch
    • An open in the wire between the cruise control combination switch and ground
    Set switch signal Set/decel switch pressed and released CRUISE CONTROL SET SW should indicate ON when the set/decel switch is pressed and OFF when the set/decel switch is released.
    • Faulty cruise control combination switch
    • An open in the wire between the gauge control module and the cruise control combination switch
    • A wire shorted to ground between the gauge control module and the cruise control combination switch
    Resume switch signal Resume/accel switch pressed and released CRUISE CONTROL RESUME SW should indicate ON when the resume/accel switch is pressed and OFF when the resume/accel switch is released.
    • Faulty cruise control combination switch
    • An open in the wire between the gauge control module and the cruise control combination switch
    • A wire shorted to ground between the gauge control module and the cruise control combination switch
    Cancel switch signal Cancel switch pressed and released CRUISE CONTROL CANCEL SW should indicate ON when the cancel switch is pressed and OFF when the cancel switch is released. Faulty cruise control combination switch
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