AUTOMATIC TRANSAXLE SYSTEM, Diagnostic DTC:P0982, P0983

DTC Code DTC Name
P0982 Shift Solenoid "D" Control Circuit Low (Shift Solenoid Valve S4)
P0983 Shift Solenoid "D" Control Circuit High (Shift Solenoid Valve S4)

DESCRIPTION

Shifting from 1st to O/D is performed in combination with "ON" and "OFF" operation of the shift solenoid valves SL1 and SL2 which is controlled by the ECM. If an open or short circuit occurs in either of the shift solenoid valves, the ECM controls the remaining normal shift solenoid valve to allow the vehicle to be operated smoothly (Fail safe function).

DTC No. DTC Detection Condition Trouble Area
P0982 ECM detects short in solenoid valve S4 circuit 2 times when solenoid valve S4 is operated (1-trip detection logic)

  • Short in shift solenoid valve S4 circuit

  • Shift solenoid valve S4

  • ECM
P0983 ECM detects open in solenoid valve S4 circuit 2 times when solenoid valve S4 is not operated (1-trip detection logic)

  • Open in shift solenoid valve S4 circuit

  • Shift solenoid valve S4

  • ECM

MONITOR DESCRIPTION

The ECM commands gear shifts by turning the shift solenoid valves "ON/OFF". When there is an open or short circuit in any shift solenoid valve circuit, the ECM detects the problem and illuminates the MIL and stores the DTC. And the ECM performs the fail-safe function and turns the other normal shift solenoid valves "ON/OFF" (In case of an open or short circuit, the ECM stops sending current to the circuit.) Click here.

WIRING DIAGRAM

A01EXOAE23

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT TRANSMISSION WIRE (S4)


    1. A01EWHVE77
      Text in Illustration
      *a

      Component without harness connected

      (Transmission Wire)

      Disconnect the transmission wire connector from the transaxle.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      8 (S4) - Body ground 20°C (68°F) 11 to 15 Ω

    NG

    INSPECT SHIFT SOLENOID VALVE S4 Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE - ECM)


    1. A01EX9FE90
      Text in Illustration
      *a

      Front view of wire harness connector

      (to ECM)

      Connect the transmission wire connector to the transaxle.

    2. Disconnect the connector from the ECM.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      E83-78 (S4) - Body ground 20°C (68°F) 11 to 15 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE ECM Click here

  3. INSPECT SHIFT SOLENOID VALVE S4


    1. A01ET32E03
      Text in Illustration
      *1 Shift Solenoid Valve S4

      Remove the shift solenoid valve S4.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Solenoid Connector (S4) - Solenoid Body (S4) 20°C (68°F) 11 to 15 Ω

    3. Connect the positive (+) lead to the terminal of the solenoid connector, and the negative (-) lead to the solenoid body.

      OK
      The solenoid makes an operating sound.

    NG

    REPLACE SHIFT SOLENOID VALVE S4 Click here

    OK

    REPAIR OR REPLACE TRANSMISSION WIRE Click here