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Inspection Procedure

NOTE: When replacing the master cylinder solenoid, perform zero point calibration (See CALIBRATION ).
  1. INSPECT BATTERY 
    1. Check the battery voltage.

    Standard Voltage: 

    11 to 14 V 

    NG: GO TO CHARGING SYSTEM (ON-VEHICLE INSPECTION)  (See ON-VEHICLE INSPECTION )

    OK: Go to next step 

  2. INSPECT IGN FUSE 
    1. Remove the IGN fuse from the engine room relay block.
    2. Measure the resistance according to the value(s) in the table below.

    Standard Resistance 

    RESISTANCE SPECIFICATION

    Tester Connection Condition Specified Condition
    IGN fuse Always Below 1 Ω

    NG: REPLACE IGN FUSE 

    Fig 1: Identifying IGN Fuse
    G05629885Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to next step 

  3. INSPECT SKID CONTROL ECU (IG2 TERMINAL) 
    1. Install the IGN fuse.
    2. Disconnect the A25 skid control ECU connector.
    3. Measure the voltage according to the value(s) in the table below.

    Standard Voltage 

    VOLTAGE SPECIFICATION

    Tester Connection Switch Condition Specified Condition
    A25-1 (IG2) - Body ground Engine switch on (IG) 11 to 14 V

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 2: Identifying A25 Skid Control ECU Connector
    G05629886Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to next step 

  4. INSPECT SKID CONTROL ECU (GND TERMINAL) 
    1. Disconnect the A24 and A25 skid control ECU connectors.
    2. Measure the resistance according to the value(s) in the table below.

    Standard Resistance 

    RESISTANCE SPECIFICATION

    Tester Connection Condition Specified Condition
    A24-1 (GND1) - Body ground Always Below 1 Ω
    A24-32 (GND2) - Body ground Always Below 1 Ω
    A25-4 (GND3) - Body ground Always Below 1 Ω

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 3: Identifying A24 And A25 Skid Control ECU Connectors
    G05629870Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to next step 

  5. RECONFIRM DTC 
    1. Clear the DTC (See DTC CHECK/CLEAR ).
    2. Check if the same DTC is output (See DTC CHECK/CLEAR ).

    HINT:

    Reinstall the sensors, connectors, etc. and restore the previous vehicle conditions before rechecking for DTCs.

    Result 

    RESULT REFERENCE

    Result Proceed to
    DTC is output. A
    DTC is not output. B

    B: USE SIMULATION METHOD TO CHECK  (See HOW TO PROCEED WITH TROUBLESHOOTING )

    A: REPLACE MASTER CYLINDER SOLENOID  (See INSPECTION )