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Home >> Acura >> 2013 >> ZDX >> Repair and Diagnosis >> Body & Frame >> Seats >> Driver Position Memory System (DPMS) >> DTC Troubleshooting >> DTC B1842: Power Tilt/Telescopic Position Sensor Power Supply Circuit (SVCC Line) Short

DTC B1842: Power Tilt/Telescopic Position Sensor Power Supply Circuit (SVCC Line) Short

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).
  1. Clear the DTCs with the HDS.
  2. Turn the ignition switch to LOCK (0), and then back to ON (II), or press the engine start/stop button to select the OFF mode and then the ON mode.
  3. Operate the power tilt/telescopic in each direction with the tilt/telescopic steering switch.
  4. Check for DTCs with the HDS.

    Is DTC B1842 indicated? 

    YES  -Go to step 5.

    NO  -Intermittent failure, the system is OK at this time. Check for loose or poor connections.

  5. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
  6. Disconnect these items:
    • Power tilt/telescopic steering control unit connector A(16P)
    • Power telescopic motor/position sensor 6P connector
    • Power tilt motor/position sensor 8P connector
  7. Check for continuity between power tilt/telescopic steering control unit connector A (16P) terminal No. 2 and body ground.
    Fig 1: Checking Continuity Between Power Tilt/Telescopic Steering Control Unit Connector A (16P) Terminal 2 And Body Ground
    G08077096Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Repair a short to ground in the wire.

    NO  -Go to step 8.

  8. Check for continuity between power telescopic motor/position sensor 6P connector terminal No. 3 and body ground (motor body).
    Fig 2: Checking Continuity Between Power Telescopic Motor/Position Sensor 6P Connector Terminal 3 And Body Ground
    G08077097Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Faulty power telescopic motor/position sensor; replace the steering column assembly (see STEERING COLUMN REMOVAL AND INSTALLATION ).

    NO  -Go to step 9.

  9. Check for continuity between power tilt motor/position sensor 8P connector terminal No. 5 and body ground (motor body).
    Fig 3: Checking Continuity Between Power Tilt Motor/Position Sensor 8P Connector Terminal 5 And Body Ground
    G08077098Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Faulty power tilt motor/position sensor; replace the steering column assembly (see STEERING COLUMN REMOVAL AND INSTALLATION ).

    NO  -Replace the power tilt/telescopic steering control unit (see POWER TILT/TELESCOPIC STEERING CONTROL UNIT INPUT TEST/REPLACEMENT  ).