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Relay Control Module Input Test

  1. Remove the under-hood fuse/relay box under cover (see UNDER-HOOD FUSE/RELAY BOX ).
  2. Disconnect the under-hood fuse/relay box connector K (10P).
    Fig 1: Disconnecting Under-Hood Fuse/Relay Box Connector K (10P)
    G03706628Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. 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 look OK, go to step 4.
  4. Reconnect the connector to the under-hood fuse/relay box, 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, the relay control module must be faulty, replace the under-hood fuse/relay box.
    POSSIBLE CAUSE

    Cavity Wire Test condition Test: Desired result Possible cause if result is not obtained
    K10 BLK Under all conditions Check for voltage to ground: There should be less than 1 V.
    • Poor ground (G202)
    • An open in the wire
    K2 YEL Ignition switch ON (II) Check for voltage to ground: There should be battery voltage.
    • Blown No. 21 (7.5 A) fuse in the driver's under-dash fuse/relay box
    • An open in the wire
    K8 BLU Under all conditions Check for continuity between K8 terminal and the driver's under-dash fuse/relay box connector D (17P) No. 11 terminal:
    There should be continuity.    		 An open in the wire
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