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Home >> Toyota >> 2005 >> ECHO 4D Sedan, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Can Communication System - Diagnostics) >> Circuit Inspection >> Steering Angle Sensor Communication Stop Mode >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Measure resistance between terminals CANL and CANH of DLC3. 

    CHECK: 

    Measure the resistance between terminals CANL and CANH of the DLC3.

    RESULT: 

    CANL AND CANH OF DLC3

    Result Proceed to
    1 MΩ or higher A
    108 to 132 Ω B
    Fig 1: Measuring Resistance Between CANL And CANH OF DLC3
    G02642501Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. B: Go to step   3 . 
    2. A: Go to next step 
  2. Check for short circuit in harness and connector between junction connector and DLC3. 

    PREPARATION: 

    Disconnect the bus line connectors from the junction connector.

    CHECK: 

    Measure the resistance between terminals CANL and CANH of the DLC3.

    OK: 

    Resistance: 1 MΩ or higher 

    Fig 2: Checking For Short Circuit In Harness And Connector Between Junction Connector And DLC3
    G02642502Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: Repair or replace harness and connector between junction connector and DLC3 and go to step 3. 
    2. OK: Go to next step 
  3. Measure resistance between terminals CANL and CANH of the steering angle sensor wire harness side connector. 

    PREPARATION: 

    1. Disconnect the bus line connectors from the junction connector.
    2. Disconnect the steering angle sensor connector.

    CHECK: 

    Measure the resistance between terminals CANL and CANH of the steering angle sensor wire harness side connector.

    OK: 

    Resistance: 108 to 132 Ω 

    Fig 3: Measuring Resistance Between Terminals CANL And CANH Of Steering Angle Sensor
    G02642503Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: Repair or replace harness and connector between junction connector and steering angle sensor. 
    2. OK: Go to next step 
  4. Measure resistance between terminals CANL and CANH of steering angle sensor. 

    PREPARATION: 

    1. Disconnect the bus line connectors from the junction connector.
    2. Disconnect the steering angle sensor connector.

    CHECK: 

    Measure the resistance between terminals CANL and CANH of the steering angle sensor.

    OK: 

    Resistance: 108 to 132 Ω 

    Fig 4: Measuring Resistance Between Terminals CANL And CANH Of Steering Angle Sensor
    G02642504Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: Go to step 5. 
    2. OK: If same code is still output after DTC is deleted, check contact condition of each connection. If connections are normal, ECU may be defective. 
  5. Measure input voltage of the steering angle sensor. 

    PREPARATION: 

    1. Remove the steering wheel and column lower cover (see REMOVAL ).
    2. Disconnect the steering angle sensor connector.

    CHECK: 

    1. Turn the ignition switch ON.
    2. Measure the voltage between terminals 1 and 2, and 2 and 3 of the steering angle sensor harness side connector.

    OK: 

    Voltage: 10 to 14 V 

    Fig 5: Measuring Input Voltage Of Steering Angle Sensor
    G02642505Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: Repair or replace harness and connector. 
    2. OK: Go to next step 
  6. Measure resistance between terminal GND of steering angle sensor connector and body ground. 

    PREPARATION: 

    Disconnect the steering angle sensor connector.

    CHECK: 

    Measure the resistance between terminal GND of the steering angle sensor harness side connector and body ground.

    OK: 

    Resistance: 1 Ω or less 

    Fig 6: Measuring Resistance Between Terminal GND Of Steering Angle Sensor Connector
    G02642506Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: Repair or replace harness and connector. 
    2. OK: Replace steering angle sensor.