ABS Warning Light Remains ON: Description
WARNING: This page is about a different car, the 2009 Lexus IS 350 and 2009 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
The skid control ECU is connected to the combination meter via the CAN and multiplex communication systems.
If any of the following is detected, the ABS warning light remains on:
- The skid control ECU connectors are disconnected from the skid control ECU.
- There is a malfunction in the skid control ECU internal circuit.
- There is an open in the harness between the combination meter and the skid control ECU.
- The ABS control system is defective.
HINT:
In some cases, the Techstream cannot be used when the skid control ECU is abnormal.