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Home >> Toyota >> 2004 >> Tundra Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 471 (Brakes - Abs With EBD & BA & TRAC & VSC (Diagnostics)) >> Abs With EBD & BA & TRAC & VSC System >> Circuit Inspection >> VSC OFF Indicator Light Circuit (Remains ON) >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2006 Toyota Tundra and 2005 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: When replacing the master cylinder solenoid, perform zero point CALIBRATION  .
  1. Check DTC (See  DTC CHECK / CLEAR   ). 

    CHECK: 

    Check DTCs.

    RESULT: 

    DTC OUTPUT RESULT

    DTC is not output A
    DTC is output B
    1. B : Repair circuit according to the output code (See  DIAGNOSTIC TROUBLE CODE CHART   ). 
    2. A : Go to next step. 
  2. Check battery voltage. 

    CHECK: 

    Check the battery voltage.

    OK: 

    11 to 14 V 

    1. NG : Check and repair  CHARGING SYSTEM  : 1GR-FE or  CHARGING SYSTEM  : 2UZ-FE. 
    2. OK : Go to next step. 
  3. Check for open or short circuit in harness and connector between master cylinder solenoid (skid control ECU) and combination meter. 
    1. NG : Repair or replace harness or connector. 
    2. OK : Go to next step. 
  4. Inspect combination meter (See  CIRCUIT  ). 

    CHECK: 

    Check combination meter.

    OK: 

    Combination meter is normal. 

    1. NG : Check and repair combination meter. 
    2. OK : Replace master cylinder solenoid (See  DISASSEMBLY  ).