TRANSFER SYSTEM, Diagnostic DTC:P17D0

DTC Code DTC Name
P17D0 Center Differential Lock Control SW Circuit

DESCRIPTION

This DTC is output when a malfunction is detected in the center differential lock switch (integration control and panel assembly).

DTC No.

DTC Detection Condition


  1. Diagnosis Condition

  2. Malfunction Status

  3. Malfunction Time

  4. Other

 Trouble Area
P17D0

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

  2. Center differential lock switch stuck ON

  3. 0.3 seconds or more when engine switch is turned on (IG), or 60 seconds or more with engine switch on (IG)

  4. 1 trip detection logic

  • Wire harness and connector

  • 4 wheel drive control ECU

  • Center differential lock switch (integration control and panel assembly)

WIRING DIAGRAM

A01WUAEE05

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (4 WHEEL DRIVE CONTROL ECU - INTEGRATION CONTROL AND PANEL ASSEMBLY)


    1. Disconnect the A27 4 wheel drive control ECU connector.

    2. Disconnect the V12 center differential lock switch (integration control and panel assembly) connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      A27-14 (DL) - V12-18 (CPU) Always Below 1 Ω
      V12-1 (E) - Body ground Always Below 1 Ω
      A27-14 (DL) or V12-18 (CPU) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. INSPECT INTEGRATION CONTROL AND PANEL ASSEMBLY

    B0019C2E22
    Text in Illustration
    *a

    Component without harness connected

    (Center Differential Lock Switch (Integration Control and Panel Assembly))

    1. Disconnect the V12 center differential lock switch (integration control and panel assembly) connector.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      18 (CPU) - 1 (E) Switch not pressed 10 kΩ or higher
      Result
      Result Proceed to
      OK for LHD A
      for RHD B
      NG C

    A

    REPLACE 4 WHEEL DRIVE CONTROL ECU Click here

    B

    REPLACE 4 WHEEL DRIVE CONTROL ECU Click here

    C

    REPLACE INTEGRATION CONTROL & PANEL ASSEMBLY Click here