Using Indicator Light
WARNING: This page is about a different car, the 2002 Lexus GS 430 and 2002 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
- Check the indicator.
- Turn the ignition switch to ON.
- Check that the CRUISE indicator light comes on when the cruise control main switch is turned ON, and that the indicator light goes off when the main switch is turned OFF. See Fig 1.
- If the indicator check result is not normal, proceed to trouble shooting of the combination meter. See TROUBLE SHOOTING in appropriate INSTRUMENT PANELS article.
- Check the DTC.
- If a malfunction occurs in the speed sensor or actuator, etc. during cruise control driving, the ECU actuates auto cancel of the cruise control and turns on and off the CRUISE indicator light to inform the driver of a malfunction. See Fig 2. At the same time, the malfunction is stored in memory as a diagnostic trouble code.
- Output DTC using diagnosis check wire.
- Turn the ignition switch ON.
- Using the diagnosis check wire (SST 09843-18020), connect terminals Tc and E1 of DLC3. See Fig 3.
- Read the DTC on the CRUISE indicator light.
- If the DTC is not output, inspect the diagnosis circuit. As an example, the blinking patterns for codes; normal 52 are shown in illustration. See Fig 4.