Description of On-Board Diagnostics

DIAGNOSIS SYSTEM




a. Check the indicator.
1. Turn the ignition switch ON.
2. 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.

HINT: If the indicator check result is not normal, proceed to troubleshooting for the combination meter.




b. Check the DTC.

HINT: If a malfunction occurs in the vehicle speed sensors 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. At the same time, the malfunction is stored in memory as a diagnostic trouble code.




c. Output of DTC using diagnosis check wire.
1. Turn the ignition switch ON.
2. Using SST, connect terminals Tc and CG of DLC3.
SST 09843 - 18020

3. DTC is shown in figures on the multi-display on the combination meter.