CAN COMMUNICATION SYSTEM Steering Angle Sensor Communication Stop Mode

DTC Code DTC Name
Steering Angle Sensor Communication Stop Mode

DESCRIPTION

Detection Item

Symptom

Trouble Area

Steering Angle Sensor Communication Stop Mode

Either condition is met:

  • "Spiral cable (Steering Angle Sensor)" is not displayed on "Bus Check".

  • "Steering Angle Sensor Communication Stop Mode" in "DTC Combination Table" applies.

  • Power source or inside spiral with sensor cable sub-assembly

  • Spiral with sensor cable sub-assembly branch wire or connector

  • Spiral with sensor cable sub-assembly

WIRING DIAGRAM

C198942E49

CAUTION / NOTICE / HINT

Note:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

Tip:

Operating the engine switch, any switches or any doors triggers related ECU and sensor communication with the CAN, which causes resistance variation.

PROCEDURE

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

    1. Disconnect the cable from the negative (-) battery terminal before measuring the resistances of the main wire and the branch wire.

      CAUTION:

      Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

      Note:

      • After turning the engine switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work.

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      • When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

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      Result

      Result

      NEXT
    NEXT

  2. CHECK FOR OPEN IN CAN BUS WIRE (SPIRAL CABLE BRANCH WIRE)

    1. C198943C01

      *a

      Rear view of wire harness connector

      (to Spiral with Sensor Cable Sub-assembly)

      Disconnect the G21 spiral with sensor cable sub-assembly connector.

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

      Standard Resistance

      Tester Connection

      Switch Condition

      Specified Condition

      G21-4 (CANH) - G21-3 (CANL)

      Engine switch off

      54 to 69 Ω

      Result

      Result

      OK

      NG
    NG

    REPAIR OR REPLACE SPIRAL CABLE BRANCH WIRE OR CONNECTOR (CANH, CANL)

    OK

  3. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE - BATTERY AND BODY GROUND)

    1. C198943C02

      *a

      Rear view of wire harness connector

      (to Spiral with Sensor Cable Sub-assembly)

      Connect the cable to the negative (-) battery terminal.

      Note:

      When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G21-2 (ESS) - Body ground

      Always

      Below 1 Ω

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

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      G21-6 (BAT) - Body ground

      Always

      11 to 14 V

      G21-5 (IG) - Body ground

      Engine switch on (IG)

      11 to 14 V

      Result

      Result

      OK

      NG
    OK

    REPLACE SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR