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Keyless Receiver Unit Input Test

  1. Remove the driver's dashboard under cover (see DRIVER'S DASHBOARD UNDERCOVER REMOVAL/INSTALLATION ).
  2. Remove the mounting nuts and pull down the under-dash fuse/relay box.
  3. Disconnect the 5P connector (A) from the keyless receiver unit (B).
    Fig 1: Identifying Keyless Receiver Unit 5P Connector Terminals
    G05456587Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Inspect the connector and socket terminals to be sure they are all making good contact.
    • If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.
    • If the terminals are OK, go to step 5.
  5. Reconnect the connector to the keyless receiver unit, and make these input tests at the connector.
    • If any test indicates a problem, find and correct the cause, then recheck-the system.
    • If all the input tests prove OK, go to step 6
    KEYLESS RECEIVER UNIT INPUT

    Cavity Wire Test condition Test: Desired result Possible cause if result is not obtained
    1 BLK Under all conditions Measure the voltage to ground: There should be less than 0.5 V.
    • Poor ground (G403)
    • An open in the wire
    3 YEL Ignition switch ON (II) Measure the voltage to ground: There should be battery voltage.
    • Blown No. 3 (10 A) fuse in the under-dash fuse/relay box
    • An open in the wire
    5 WHT/ RED Under all conditions Measure the voltage to ground: There should be battery voltage.
    • Blown No. 8 (10 A) fuse in the under-hood fuse/relay box
    • An open in the wire
    2 BLU/ ORN Ignition key out of the ignition. Doors, hood, and tailgate closed Measure the voltage to ground while pressing the keyless remote buttons: Voltage should drop by about 2 V.
    • Faulty keyless receiver unit
    • A short on the wire
  6. Disconnect the connector from the keyless receiver unit, and make this input test at the connector.
    • If any test indicates a problem, find and correct the cause, then recheck the system.
    • If all the input tests prove OK, replace the keyless receiver unit.
KEYLESS RECEIVER UNIT INPUT

Cavity Wire Test condition Test: Desired result Possible cause if result is not obtained
2 BLU/ORN Under all conditions Check for continuity between the No. 2 terminal and the No. 17 terminal of gauge control module connector C (40P). There should be continuity. An open in the wire
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