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DTC B1382

DTC B1382  : Tailgate Closer Unit Full Latch switch circuit malfunction

NOTE:  If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .

DTC Description DTC
B1382 Tailgate Closer Unit Full Latch switch circuit malfunction  

DTC (Power Tailgate Control Unit)

  1. Problem verification 1

    -1. Clear the DTCs with the HDS.

    -2. Open the tailgate with the tailgate outer handle switch.

    -3. Close the tailgate manually.

    -4. Check for DTCs with the HDS.

    DTC Description DTC
    B1382 Tailgate Closer Unit Full Latch switch circuit malfunction  

    Is DTC B1382 indicated?

    YES 

    Go to step 2.

    NO 

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

  2. Problem verification 2

    -1. Check for DTCs with the HDS.

    DTC Description DTC
    B1384 Tailgate Closer Unit Half Latch switch circuit malfunction  
    B1390 Power Tailgate Closer Motor function error  

    Are DTC B1384 and/or B1390 indicated?

    YES 

    Go to the indicated DTCs troubleshooting, then recheck.

    NO 

    Go to step 3.

  3. Determine possible failure area (T/G SW line short, others)

    -1. Check the parameter(s) below with the HDS.

    Signal Current conditions
    Values Unit
    Tailgate Lock Sw. Full Latch    

    Is data list value ON?

    YES 

    Go to step 4.

    NO 

    Go to step  6.

  4. Determine possible failure area (power tailgate closer unit, others)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    Power tailgate closer unit connector B (6P)

    -3. Turn the vehicle to the ON mode.

    -4. Check the parameter(s) below with the HDS.

    Signal Current conditions
    Values Unit
    Tailgate Lock Sw. Full Latch    

    Is data list value ON?

    YES 

    Go to step 5.

    NO 

    Faulty full latch switch; replace the tailgate latch .

  5. Shorted wire check (T/G SW line)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    Power tailgate control unit connector A (24P)

    -3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode Power tailgate closer unit connector B (6P): disconnected Power tailgate control unit connector A (24P): disconnected
       
    Test point 1 Power tailgate control unit connector A (24P) No. 11
    Test point 2 Body ground

    Is there continuity?

    YES 

    Repair a short to ground in the wire.

    NO 

    Replace the power tailgate control unit .

  6. Determine possible failure area (power tailgate closer unit, others)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    Power tailgate closer unit connector B (6P)

    -3. Connect terminals A and B with a jumper wire.

    Terminal A Power tailgate closer unit connector B (6P) (female terminals) No. 1:
    Terminal B Power tailgate closer unit connector B (6P) (female terminals) No. 2:
    GHH430134Courtesy of HONDA, U.S.A., INC.

    -4. Turn the vehicle to the ON mode.

    -5. Check the parameter(s) below with the HDS.

    Signal Current conditions
    Values Unit
    Tailgate Lock Sw. Full Latch    

    Is data list value ON?

    YES 

    Faulty full latch switch; replace the tailgate latch .

    NO 

    Go to step 7.

  7. Determine possible failure area (T/G SW line, PTG/PTL SEG3 line)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the jumper wire.

    -3. Connect terminals A and B with a jumper wire.

    Terminal A Power tailgate closer unit connector B (6P) (female terminals) No. 1:
    Terminal B Body ground
    GHH430136Courtesy of HONDA, U.S.A., INC.

    -4. Turn the vehicle to the ON mode.

    -5. Check the parameter(s) below with the HDS.

    Signal Current conditions
    Values Unit
    Tailgate Lock Sw. Full Latch    

    Is data list value ON?

    YES 

    Go to step 8.

    NO 

    Go to step  9.

  8. Open wire check (PTG/PTL SEG3 line)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the jumper wire.

    -3. Disconnect the following connector.

    Power tailgate control unit connector A (24P)

    -4. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode Power tailgate closer unit connector B (6P): disconnected Power tailgate control unit connector A (24P): disconnected
       
    Test point 1 Power tailgate closer unit connector B (6P) (female terminals) No. 2:
    Test point 2 Power tailgate control unit connector A (24P) No. 21
    GHH430138Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    Replace the power tailgate control unit .

    NO 

    Repair an open or high resistance in the wire.

  9. Open wire check (T/G SW line)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the jumper wire.

    -3. Disconnect the following connector.

    Power tailgate control unit connector A (24P)

    -4. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode Power tailgate closer unit connector B (6P): disconnected Power tailgate control unit connector A (24P): disconnected
       
    Test point 1 Power tailgate closer unit connector B (6P) (female terminals) No. 1:
    Test point 2 Power tailgate control unit connector A (24P) No. 11
    GHH430140Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    Replace the power tailgate control unit .

    NO 

    Repair an open or high resistance in the wire.