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DTC P1720

DTC P1720  : Park Pawl Motor Current Range/Performance

NOTE:
DTC Description Confirmed DTC Pending DTC Freeze Frame
P1720 Park Pawl Motor Current Range/Performance      

DTC (Gear)

  1. Problem verification

    -1. Turn the vehicle to the ON mode.

    -2. Clear the DTC with the HDS.

    -3. Turn the vehicle to the OFF (LOCK) mode.

    -4. Turn the vehicle to the ON mode, and wait for at least 10 seconds.

    -5. Check for Pending or Confirmed DTCs with the HDS.

    DTC Description Confirmed DTC Pending DTC Freeze Frame
    P1720 Park Pawl Motor Current Range/Performance      

    Is DTC P1720 indicated?

    YES 

    The failure is duplicated. Go to step 2.

    NO 

    Intermittent failure, the system is OK at this time. Check for poor connections and loose terminals between the park pawl actuator and the park pawl actuator driver unit. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.

  2. Shorted wire check (MAU/P-ACT MTR U line, MAV/P-ACT MTR V line, MAW/P-ACT MTR W line to power)

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

    -2. Disconnect the following connectors.

    Park pawl actuator 10P connector
    Park pawl actuator driver unit 26P connector

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

    Test condition Vehicle OFF (LOCK) mode
    Park pawl actuator 10P connector: disconnected
    Park pawl actuator driver unit 26P connector: disconnected
    Test point 1 Park pawl actuator 10P connector (female terminals) No. 1:
    Test point 2 Park pawl actuator 10P connector (female terminals) No. 2:
    Test point 1 Park pawl actuator 10P connector (female terminals) No. 2:
    Test point 2 Park pawl actuator 10P connector (female terminals) No. 6:
    Test point 1 Park pawl actuator 10P connector (female terminals) No. 2:
    Test point 2 Park pawl actuator 10P connector (female terminals) No. 7:
    GHH385358Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    Repair a short to power in the MAU/P-ACT MTR U wire, the MAV/P-ACT MTR V wire, and/or the MAW/P-ACT MTR W wire between the park pawl actuator and the park pawl actuator driver unit.

    NO 

    The MAU/P-ACT MTR U wire, the MAV/P-ACT MTR V wire, and/or the MAW/P-ACT MTR W wire are not shorted to power. Faulty park pawl actuator driver unit. Replace the park pawl actuator driver unit .