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'04-09 Models

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  1. Remove the gauge assembly (see GAUGE ASSEMBLY REPLACEMENT ).
  2. Inspect all the connectors and socket terminals to be sure they are all making good contact.
    • If the terminal are bent, loose, or corroded, repair them as necessary, and recheck the system.
    • If the terminals look OK, go to step  3.
      Fig 1: Identifying Gauge Assembly Connector A (22P)
      G03694939Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. With the connectors connected, back probe the connectors and make these input tests.
    • If any test indicates a problem, find and correct the cause, then recheck the system.
    • If all the input tests prove OK, the gauge assembly must be faulty; replace it.
      TEST POSSIBLE CAUSE TABLE

      Cavity Wire Test condition Test: Desired result Possible cause if result is not obtained
      A9 YEL Ignition switch ON (II) Check for voltage to ground:
      There should be battery voltage.
      • Blown No. 5 (7.5 A) fuse in the under-dash fuse/relay box
      • An open in the wire
      A10 WHT/RED Under all conditions Check for voltage to ground:
      There should be battery voltage.
      • Blown No. 25 (7.5 A) fuse in the under-dash fuse/relay box
      • An open in the wire
      A8 RED/BLK Combination light switch ON Check for voltage to ground:
      There should be battery voltage.
      • Blown No. 23 (10 A) fuse in the under-dash fuse/relay box
      • Faulty taillight relay
      • Faulty combination light switch
      • An open in the wire
      B6 RED/WHT Ignition key is inserted into the ignition switch Check for voltage to ground:
      There should be less than 1 V.
      • Faulty ignition key switch
      • Poor ground (G401)
      • An open in the wire
      Ignition key not in ignition Check for voltage to ground:
      There should be 5 V or more.
      • Faulty ignition switch
      • A short to ground in the wire
      B4 BLU/RED Ignition switch ON (II) and driver's seat belt unbuckled Check for voltage to ground:
      There should be less than 1 V.
      • Faulty driver's seat belt switch
      • Poor ground (G601)
      • An open in the wire
      Ignition switch ON (II) and driver's seat belt buckled Check for voltage to ground:
      There should be 5 V or more.
      • Faulty driver's seat belt switch
      • A short to ground in the wire
      A17 BLK Under all conditions Check for voltage to ground:
      There should be less than 1 V.
      • Poor ground (G501)
      • An open in the wire
      A14 GRN Driver's door open Check for voltage to ground:
      There should be less than 1 V.
      • Faulty driver's door switch
      • An open in the wire
      Driver's door closed Check for voltage to ground:
      There should be 5 V or more.
      • Faulty driver's door switch
      • A short to ground in the wire
      A9 YEL Ignition switch ON (II) and trip reset button pressed Check the beeper operation:
      The beeper should come on.
      • Faulty beeper
      • Poor ground (G501)
      • An open in the wire
      • Faulty gauge assembly
      A10 WHT/RED
      A17 BLK
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