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Relay Control Module Input Test

NOTE: Before testing, troubleshoot B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).
  1. Turn the ignition switch to LOCK(O), and remove the under-hood fuse/relay box under cover (see REMOVAL AND INSTALLATION ).
  2. Disconnect under-hood fuse/relay box connector J (10P).
    Fig 1: Identifying Under-Hood Fuse/Relay Box Connector J (10P) Terminals
    G06162697Courtesy 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, go to step 5.
    TEST CONDITION CHART

    Cavity Wire Test condition Test: Desired result Possible cause if desired result is not obtained
    J10 BLK Under all conditions Measure the voltage to ground: There should be less than 0.1 V.
    • Poor ground(G301)
    • An open in the wire
    J8 YEL Ignition switch ON (II) Measure the voltage to ground: There should be battery voltage.
    • Blown No. 21 (10 A) fuse in the driver's under-dash fuse/relay box
    • An open in the wire
  5. Disconnect under-hood fuse/relay box connector J (10P), 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 (see REMOVAL AND INSTALLATION ).
    TEST CONDITION CHART

    Cavity Wire Test condition Test: Desired result Possible cause if desired result is not obtained
    J7 LT GRN Under all conditions Check for continuity between J7 terminal and driver's under-dash fuse/relay box connector D (17P) terminal No. 11: There should be continuity. An open in the wire
    Under all conditions (Driver's under-dash fuse/relay box connector D (17P) disconnected) Check for continuity to ground: There should be no continuity. A short to ground in the wire