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DIFFERENTIAL SYSTEM(w/ Differential Lock), Diagnostic DTC:P163B

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DTC Code DTC Name
P163B 4WD ECU Malfunction
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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 ignition switch is turned to ON, or when switching operations are performed with 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
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PROCEDURE


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    CHECK FOR DTC


    1. Check whether DTCs other than C163B are output.

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      1. Powertrain > Four Wheel Drive > Trouble Codes


      Result
      Result Proceed to
      Only DTC C163B is output. A
      DTCs (Touch Select 2-4 and High-Low System) other than DTC C163B are output. B
      DTCs (Differential System (w/ Differential Lock)) other than DTC C163B are output. C

    • A

      REPLACE 4 WHEEL DRIVE CONTROL ECUClick here

    • B

      REPAIR CIRCUITS INDICATED BY OUTPUT DTCSClick here

    • C

      REPAIR CIRCUITS INDICATED BY OUTPUT DTCSClick here