Data Link Connector: Description and Operation

FOR VEHICLES WITH TOYOTA DIAGNOSTIC COMMUNICATION LINK (TDCL)
The TDCL is provided inside the cabin (located under the left side instrument panel) as a connector exclusively for diagnosis of data from the engine, ECT, ABS, A/C, Airbag and Cruise Control System to improve serviceability. The check connector inside the engine compartment is used for engine adjustment.








Connecting the following terminals of the TDCL to terminal El selects the diagnosis mode shown.

NOTICE: Never make a mistake with the terminal connection position as this will cause a malfunction.

Refer to the respective system for the inspection method.





HINT: By connecting the TDCL up to a monitor specifically designed for use with the TDCL, the diagnosis result for each system can be read easily.