Circuit Description
WARNING: This page is about a different car, the 2002 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.
When brake pedal is depressed, stop light switch sends a signal to ECM. If transaxle is in lock-up mode, ECM cancels lock-up operation and prevents engine stall. DTC will set if ECM detects stop light switch signal does not turn off during driving. Possible causes are:
- Open or short in stop light switch circuit.
- Stop Light switch malfunction.
- ECM malfunction.