VEHICLE STABILITY CONTROL SYSTEM, Diagnostic DTC:C1282

DTC Code DTC Name
C1282 Center Differential Lock Position Switch

DESCRIPTION

DTC C1282 is stored only in Test Mode.

DTC Code DTC Detection Condition Trouble area
C1282 Stored during Test Mode.

  • Harness or connector

  • Transfer system

  • Skid control ECU (Brake actuator assembly)

WIRING DIAGRAM

A01DV01E06

INSPECTION PROCEDURE

Note


  • After replacing the brake actuator assembly, perform calibration Click here.

  • Before disconnecting the connector, make sure that there are no problems with the connection.

  • After disconnecting the connector, make sure that the connector case and terminals are not deformed or corroded.

PROCEDURE


  1. CHECK TERMINAL VOLTAGE (EXI TERMINAL)


    1. Connect the skid control ECU (brake actuator assembly) connector.

    2. Set the vehicle to the 4WD state using the transfer shift lever.

    3. A01DW3AE60
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Skid Control ECU [Brake Actuator Assembly])

      Disconnect the skid control ECU (brake actuator assembly) connector.

    4. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      S35-20 (EXI) - Body ground

      • Ignition switch ON

      • Transfer shift position H4

      		 Below 1.5 V

    5. Connect the skid control ECU (brake actuator assembly) connector.

    6. Set the vehicle to the 2WD state using the transfer shift lever.

    7. Disconnect the skid control ECU (brake actuator assembly) connector.

    8. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      S35-20 (EXI) - Body ground

      • Ignition switch ON

      • Transfer shift position H2

      		 11 to 14 V

    NG

    CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - 4 WHEEL DRIVE CONTROL ECU AND 4WD DETECTION SWITCH) Click here

    OK

  2. CHECK TEST MODE DTC


    1. Switch the vehicle to Test Mode, check the H2 to H4 shift operation, and then check that DTC C1282 is cleared Click here.

      Result
      Result Proceed to
      Test Mode DTC is cleared A
      Test Mode DTC is not cleared for LHD B
      for RHD C

    B

    REPLACE BRAKE ACTUATOR ASSEMBLY Click here

    C

    REPLACE BRAKE ACTUATOR ASSEMBLY Click here

    A

    USE SIMULATION METHOD TO CHECK Click here

  3. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - 4 WHEEL DRIVE CONTROL ECU AND 4WD DETECTION SWITCH)


    1. Turn the ignition switch off.

    2. Disconnect the skid control ECU (brake actuator assembly) connector.

    3. Disconnect the 4WD detection switch (differential vacuum actuator assembly) connector.

    4. Disconnect the 4 wheel drive control ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      S35-20 (EXI) - A3-3 (ADD) Always Below 1 Ω
      S35-20 (EXI) - F14-8 (ADD) Always Below 1 Ω
      S35-20 (EXI) - Body ground Always 10 kΩ or higher
      A3-4 (GND) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    GO TO TRANSFER SYSTEM (PROBLEM SYMPTOMS TABLE) Click here