TOUCH SELECT 2-4 AND HIGH-LOW SYSTEM, Diagnostic DTC:P17C8

DTC Code DTC Name
P17C8 Front Differential Oil Temperature Sensor Circuit High

DESCRIPTION

This DTC is output when a short to B+ or open circuit in the oil temperature sensor is detected.

DTC No. Detection Item DTC Detection Condition Trouble Area
P17C8 Front Differential Oil Temperature Sensor Circuit High

  • Diagnosis Condition: Ignition switch turned to ON

  • Malfunction Status: Short to B+ or open circuit in the oil temperature sensor

  • Malfunction Time: 1 second or more

  • Other: 1 trip detection logic

  • Wire harness and connector

  • 4 wheel drive control ECU

  • Oil temperature sensor

WIRING DIAGRAM

Refer to DTC P17C7.

Click here

PROCEDURE


  1. CHECK OIL TEMPERATURE SENSOR


    1. Disconnect the C60 4 wheel drive control ECU connector.

    2. B003N36C01
      *a

      Front view of wire harness connector

      (to 4 Wheel Drive Control ECU)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      C60-5 (DT) - C60-25 (DGND) Always 120 to 240 kΩ

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      C60-5 (DT) or C60-25 (DGND) - Body ground Ignition switch ON Below 1 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE 4 WHEEL DRIVE CONTROL ECU Click here

    NG

  2. CHECK HARNESS AND CONNECTOR (4 WHEEL DRIVE CONTROL ECU - OIL TEMPERATURE SENSOR)


    1. Disconnect the C60 4 wheel drive control ECU connector.

    2. Disconnect the E1 oil temperature sensor connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      C60-5 (DT) - E1-1 (DT) Always Below 1 Ω
      C60-25 (DGND) - E1-2 (DGND) Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      C60-5 (DT) or E1-1 (DT) - Body ground Ignition switch ON Below 1 V
      C60-25 (DGND) or E1-2 (DGND) - Body ground Ignition switch ON Below 1 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE OIL TEMPERATURE SENSOR Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR