TRANSFER SYSTEM, Diagnostic DTC:P163B

DTC Code DTC Name
P163B 4WD ECU Malfunction

DESCRIPTION

This DTC is output when a malfunction is detected in the 4 wheel drive control ECU internal circuit.

DTC No.

DTC Detection Condition


  1. Diagnosis Condition

  2. Malfunction Status

  3. Malfunction Time

  4. Other

 Trouble Area
P163B

  1. While the engine switch is on (IG) or directly after the engine switch is turned on (IG)

  2. 4 wheel drive control ECU internal circuit malfunction

  3. 0.5 seconds or more (if directly after the engine switch is turned on (IG), 0.05 seconds or more)

  4. 1 trip detection logic

 4 wheel drive control ECU

PROCEDURE


  1. CHECK FOR DTC


    1. Check whether DTCs other than P163B are output Click here.

      Result
      Result Proceed to
      Only DTC P163B is output. for LHD A
      for RHD B
      DTCs other than DTC P163B are output. C

    A

    REPLACE 4 WHEEL DRIVE CONTROL ECU Click here

    B

    REPLACE 4 WHEEL DRIVE CONTROL ECU Click here

    C

    REPAIR CIRCUITS INDICATED BY OUTPUT DTCS Click here