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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 >> ABS Warning Light Circuit (Remains ON) >> Circuit Description

Circuit Description

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.

If any of the following is detected, the ABS warning light remains ON.

  1. The skid control ECU connectors are disconnected from the master cylinder solenoid (skid control ECU).
  2. There is a malfunction in the master cylinder solenoid (skid control ECU) internal circuit.
  3. There is an open or short in the harness between the combination meter and master cylinder solenoid (skid control ECU).

HINT:

The hand-held tester may not be usable when there is a malfunction in the master cylinder solenoid (skid control ECU).

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