EASY AND SMOOTH START SYSTEM, Diagnostic DTC:C1383/111

DTC Code DTC Name
C1383/111 Vehicle Speed Sensor

DESCRIPTION

The skid control ECU receives vehicle speed signals from the speed sensors via the speedometer circuit.

DTC Code DTC Detection Condition Trouble Area
C1383/111 With the engine running, PKB1 terminal not connected, battery voltage normal and the vehicle driven at 20 km/h (12 mph) or more, vehicle speed signals are not received for 3 seconds or more.

  • Speed sensor

  • Open or short in wire harness

  • Improperly connected connector or corroded terminal

  • Skid control ECU

WIRING DIAGRAM

A01CHUGE01

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK SPEEDOMETER


    1. Check that there is no abnormal vehicle speed drop or fluctuations on the speedometer in the combination meter Click here.

      OK
      Abnormality is not found in the speedometer display.

    NG

    GO TO METER / GAUGE SYSTEM

    OK

  2. CHECK HARNESS AND CONNECTOR (COMBINATION METER - SKID CONTROL ECU)


    1. Turn the ignition switch off.

    2. Disconnect the skid control ECU connector and combination meter connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      S12-8 (SPDM) - C5-38 (SPO2) Always Below 1 Ω
      S12-8 (SPDM) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT SKID CONTROL ECU (SPDM CIRCUIT)


    1. A01CGM9E01
      Text in Illustration
      *1

      Component with harness connected

      (Skid Control ECU)

      Reconnect the skid control ECU connector and combination meter connector.

    2. Turn the ignition switch to ON.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      S12-8 (SPDM) - Body ground Ignition switch ON Below 2 V ←→ 10 V or more
      Result
      Result Proceed to
      Below 2 V ←→ 10 V or more A
      Below 2 V B
      10 V or higher C

    B

    REPLACE SKID CONTROL ECU

    C

    REPLACE COMBINATION METER

    A

  4. RECONFIRM DTC


    1. Clear the DTCs Click here.

    2. Perform a road test.

    3. Check if the same DTC is recorded Click here.

      Result
      Result Proceed to
      DTC (C1383/111) is not output A
      DTC (C1383/111) is output B

      Tech Tips

      If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step Click here.


    B

    REPLACE SKID CONTROL ECU

    A

    CHECK FOR INTERMITTENT PROBLEMS Click here