TRANSFER SYSTEM, Diagnostic DTC:P17DE

DTC Code DTC Name
P17DE Center Differential Lock Shift Motor Circuit Open

DESCRIPTION

This DTC is output when an open circuit in the center differential shift motor drive circuit is detected.

DTC No.

DTC Detection Condition


  1. Diagnosis Condition

  2. Malfunction Status

  3. Malfunction Time

  4. Other

 Trouble Area
P17DE

  1. When switching between free and lock or during switching operation (center differential lock shift motor operating) with engine switch turned on (IG)

  2. Open circuit in the center differential lock shift motor drive circuit

  3. 0.03 seconds or more

  4. 1 trip detection logic

  • Wire harness and connector

  • 4 wheel drive control ECU

  • Transfer shift actuator assembly

WIRING DIAGRAM

Refer to DTC P17A9 Click here.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (4 WHEEL DRIVE CONTROL ECU - TRANSFERSHIFT ACTUATOR ASSEMBLY)


    1. Disconnect the A28 4 wheel drive control ECU connector.

    2. Disconnect the C43 transfer shift actuator assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A28-8 (TM1) - C43-1 (TM1) Always Below 1 Ω
      A28-7 (TM2) - C43-2 (TM2) Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. INSPECT TRANSFER SHIFT ACTUATOR ASSEMBLY (CENTER DIFFERENTIAL LOCK SHIFT MOTOR)

    A01WRRLE03
    Text in Illustration
    *a

    Component without harness connected

    (Transfer Shift Actuator Assembly)
    *b Center Differential Lock Actuator Side

    1. Disconnect the C43 transfer shift actuator assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 (TM1) - 2 (TM2) Always 1.5 to 100 Ω
      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 TRANSFER SHIFT ACTUATOR ASSEMBLY Click here