Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM
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CAUTION / NOTICE / HINT HINT: *: Use the GTS. PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
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2.
CUSTOMER PROBLEM ANALYSIS
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CHECK FOR INTERMITTENT PROBLEMS HINT: Inspect the vehicle ECM using check mode. Intermittent problems are easier to detect with the GTS when the ECM is in check mode. In check mode, the ECM uses 1 tri
CAUTION / NOTICE / HINT When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out for all circuits considered to be possible causes of the problem. In many cases, by
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MONITOR DESCRIPTION The Transmission Control Module (TCM) and ECM perform 2-way communication with each other via the Controller Area Network (CAN). The TCM sends signals to the ECM concerning required engine speed, required engine torque, warning indicators in the combination meter assembly, DTCs a
INSPECTION PROCEDURE 1. INSPECT BACK DOOR LOCK WITH COURTESY LIGHT SWITCH (w/o Power Back Door)
(a) Check the operation of the door lock motor. (1) Move the back door lock with courtesy light switch assembly to the lock position.
(2) Apply auxiliary battery voltage to the back door lock wit
How To Proceed With Troubleshooting
Lost Communication with TCM Missing Message (U010187)
