Using Indicator Light
WARNING: This page is about a different car, the 2002 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
- Check Indicator - Turn the ignition switch to ON. Check that the CRUISE MAIN 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. If the indicator check result is not normal, proceed to combination meter trouble shooting. See appropriate INSTRUMENT PANEL article.
- Check 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 MAIN indicator light to inform the driver of a malfunction. See Fig 1. At the same time, the malfunction is stored in memory as a diagnostic trouble code.
- Output Of DTC Using Diagnosis Check Wire - Turn the ignition switch ON. Using the Diagnostic Check Wire (SST 09843-18020), connect terminals No. 13 (Tc) and E1 of the DLC3. See CONNECTOR IDENTIFICATION . Read the DTC on the CRUISE MAIN 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 2.