Control Unit (RAM) Control Unit (ROM)

Description





The TCM consists of a microcomputer and connectors for signal input and output and for power supply. The unit controls the A/T.





ON BOARD DIAGNOSIS LOGIC

DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE

NOTE: If "DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch "OFF" and wait at least 5 seconds before conducting the next test.

With CONSULT





1. Turn ignition switch "ON" and select "DATA MONITOR" mode for A/T with CONSULT.





2. Start engine.
3. Run engine for at least 2 seconds at idle speed.











Diagnostic Procedure