Displaying & Reading Trouble Codes

DIAGNOSIS SYSTEM





(a) Check the indicator.
(1) Turn the ignition switch to 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 section.

(b) Check the DTC.





HINT: If a malfunction occurs in the No. 1 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 stopped 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 E1 of DLC2. SST 09843-18020
(3) Read the DTC on the CRUISE MAIN indicator light.





HINT: If the DTC is not output, inspect the diagnosis circuit. As an example, the blinking patterns for codes; normal, 52 a shown in the illustration.