TOUCH SELECT 2-4 AND HIGH-LOW SYSTEM, Diagnostic DTC:P17C7

DTC Code DTC Name
P17C7 Front Differential Oil Temperature Sensor Circuit Low

DESCRIPTION

This DTC is output when a short to ground in the oil temperature sensor is detected.

DTC No. Detection Item DTC Detection Condition Trouble Area
P17C7 Front Differential Oil Temperature Sensor Circuit Low

  • Diagnosis Condition: Ignition switch turned to ON

  • Malfunction Status: Short to ground 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

B00286YE08
*a DT
*b Oil Temperature Sensor
*c 4 Wheel Drive Control ECU

PROCEDURE


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


    1. Disconnect the C39 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
      C39-5 (DT) or E1-1 (DT) - Body ground Always 10 kΩ or higher
      C39-25 (DGND) or E1-2 (DGND) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. INSPECT OIL TEMPERATURE SENSOR


    1. Disconnect the E1 oil temperature sensor connector.

    2. B0026IGC02
      *a

      Component without harness connected

      (Oil Temperature Sensor)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 (DT) - 2 (DGND) Always 120 to 240 kΩ
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE 4 WHEEL DRIVE CONTROL ECU Click here

    NG

    REPLACE OIL TEMPERATURE SENSOR Click here