Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM

READ NEXT:
CAUTION / NOTICE / HINT HINT: *: Use the GTS. PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
2.
CUSTOMER PROBLEM ANALYSIS
NEXT
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
SEE MORE:
DESCRIPTION
Based on the signals from each sensor, the 4WD ECU assembly controls the transmitted
torque of the 4WD linear solenoid (transmission coupling assembly). This enables
driving force distribution to be optimized according to the driving conditions.
DTC No.
Detect
DESCRIPTION If the entry lock and unlock functions do not operate for the driver door only, the request code may not be being transmitted from the driver door or the front door outside handle assembly LH (touch sensor) may be malfunctioning. If the entry functions for other doors operate properly, c