TOUCH SELECT 2-4 AND HIGH-LOW 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. Detection Item DTC Detection Condition Trouble Area
P163B 4WD ECU Malfunction

  • Diagnosis Condition: Directly after the ignition switch is turned to ON, or when switching operations are performed with the ignition switch turned to ON

  • Malfunction Status: 4 wheel drive control ECU internal circuit malfunction

  • Malfunction Time: 0.5 seconds or more (directly after the ignition switch is turned to ON, 0.05 seconds or more)

  • Other: 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


      Powertrain > Four Wheel Drive > Trouble Codes
      Result
      Result Proceed to
      Only DTC P163B is output. A
      DTCs (Touch Select 2-4 and High-Low System) other than DTC P163B are output. B
      DTCs (Differential System) other than DTC P163B are output. C

    A

    REPLACE 4 WHEEL DRIVE CONTROL ECU Click here

    B

    REPAIR CIRCUITS INDICATED BY OUTPUT DTCS Click here

    C

    REPAIR CIRCUITS INDICATED BY OUTPUT DTCS Click here