When not using LEXUS hand-held tester:
WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
- Check wire harness and connector between combination meter and skid control ECU (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
).
- NG : Repair or replace wire harness or connector.
- OK : Go to next step.
- Check vehicle speed sensor circuit (See INSPECTION
).
- OK : Replace combination meter.
- NG : Check and repair speed sensor and wire harness.