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Front Accessory Power Socket Circuit Troubleshooting

  1. 1. Problem verification:

    - 1. Test the front accessory power socket.

    Does the cigarette lighter work?

    YES 

    Intermittent failure, the system is OK at this time. Check for loose or poor connections.

    NO 

    Go to step 2.

  2. 2. Fuse check:

    - 1. Check the following fuses.

    Fuse No. A2-2 (60 A)
    Location Under-hood fuse/relay box
    Fuse No. B27 (20 A)
    No. B19 (7.5 A)
    Location Under-dash fuse/relay box

    Is each fuse OK?

    YES 

    Go to step 3.

    NO 

    Replace the fuse. If the fuse blows again, repair a short to ground in the No. A2-2 (60 A), No. B27 (20 A), and/or No. B19 (7.5 A) fuse circuit(s).

  3. 3. Front accessory power socket relay check:

    - 1. Remove the front accessory power socket relay from the under-dash fuse/relay box, and test it .

    Is the relay OK?

    YES 

    Go to step 4.

    NO 

    Replace the front accessory power socket relay, then recheck.

  4. 4. Open wire check (+B F/BOX MAIN line) 1:

    - 1. Measure the voltage between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode Front accessory power socket relay: disconnected
    Test point 1 Under-dash fuse/relay box connector D (32P) No. 2
    Test point 2 Body ground

    Is there battery voltage?

    YES 

    Go to step 5.

    NO 

    Repair an open or high resistance in the wire.

  5. 5. Open wire check (+B F/BOX MAIN line) 2:

    - 1. Measure the voltage between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode Front accessory power socket: disconnected
    Test point 1 Front accessory power socket relay 4P socket No. 2
    Test point 2 Body ground
    GHH48640Courtesy of HONDA, U.S.A., INC.

    Is there battery voltage?

    YES 

    Go to step 6.

    NO 

    Repair an open or high resistance in the wire.

  6. 6. Determine possible failure area (front accessory power socket relay switch side circuit, front accessory power socket relay coil side circuit):

    - 1. Connect terminals A and B with a jumper wire.

    Terminal A Front accessory power socket relay 4P socket No. 1
    Terminal B Front accessory power socket relay 4P socket No. 2
    GHH48641Courtesy of HONDA, U.S.A., INC.

    Does the front accessory power socket work?

    YES 

    Go to step 7.

    NO 

    Go to step 9.

  7. 7. Open wire check (ACC MAIN line) 1:

    - 1. Turn the vehicle to the ACCESSORY mode.

    - 2. Measure the voltage between test points 1 and 2.

    Test condition Vehicle ACCESSORY mode Front accessory power socket: disconnected Front accessory power socket 4P socket No. 1 and No. 2: jumped
    Test point 1 Under-dash fuse/relay box connector A (5P) No. 5
    Test point 2 Body ground
    GHH48642Courtesy of HONDA, U.S.A., INC.

    Is there battery voltage?

    YES 

    Go to step 8.

    NO 

    Repair an open or high resistance in the wire.

  8. 8. Open wire check (ACC MAIN line) 2:

    - 1. Measure the voltage between test points 1 and 2.

    Test condition Vehicle ACCESSORY mode Front accessory power socket relay: disconnected Front accessory power socket relay 4P socket No. 1 and No. 2: jumped
    Test point 1 Front accessory power socket 4P socket No. 3
    Test point 2 Body ground
    GHH48643Courtesy of HONDA, U.S.A., INC.

    Is there battery voltage?

    YES 

    Repair an open or high resistance in the ground wire or poor ground (G501).

    NO 

    Replace the original under-dash fuse/relay box .

  9. 9. Open wire check (CIGAR LIGHTER line) 1:

    - 1. Measure the voltage between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode Front accessory power socket relay: disconnected Front accessory power socket relay 4P socket No. 1 and No. 2: jumped
    Test point 1 Under-dash fuse/relay box connector N (13P) No. 2
    Test point 2 Body ground
    GHH48644Courtesy of HONDA, U.S.A., INC.

    Is there battery voltage?

    YES 

    Go to step 10.

    NO 

    Replace the original under-dash fuse/relay box .

  10. 10.Open wire check (CIGAR LIGHTER line) 2:

    - 1. Remove the front accessory power socket - Refer to: Console Accessory Power Socket Removal and InstallationFront Accessory Power Socket Removal and Installation .

    - 2. Measure the voltage between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode Front accessory power socket relay: disconnected Front accessory power socket relay 4P socket No. 1 and No. 2: jumped
    Test point 1 Front accessory power socket relay 2P connector No. 2
    Test point 2 Body ground
    GHH48645Courtesy of HONDA, U.S.A., INC.

    Is there battery voltage?

    YES 

    Go to step 11.

    NO 

    Repair an open or high resistance in the wire.

  11. 11.Open wire check (GND line):

    - 1. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode Front accessory power socket relay: disconnected Front accessory power socket relay 4P socket No. 1 and No. 2: jumped
    Test point 1 Front accessory power socket relay 2P connector No. 1
    Test point 2 Body ground
    GHH48646Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    Replace the front accessory power socket relay - Refer to: Console Accessory Power Socket Removal and InstallationFront Accessory Power Socket Removal and Installation .

    NO 

    Repair an open or high resistance in the ground wire or poor ground (G503).

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