Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM

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PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
2.
CONFIRM PROBLEM SYMPTOMS
TERMINALS OF ECU
*a
Hybrid Vehicle Control ECU
-
-
HINT:
The standard normal voltage between each pair of hybrid vehicle control ECU terminals
DIAGNOSIS SYSTEM
DLC3 (Data Link Connector 3)
(a) Check the DLC3.
Click here
AUXILIARY BATTERY VOLTAGE
Standard Voltage:
Switch Condition
Specified Condition
SEE MORE:
REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 FRONT SEAT ASSEMBLY
- -
- -
2 SEPARATE TYPE FRONT SEATBACK COVER
71073S -
- -
3 FRONT SEAT INNER BELT ASSEMBLY
73230 -
DESCRIPTION
When TRAC or VSC is operating, the skid control ECU (brake actuator
assembly) blinks the slip indicator light to inform the driver that slippage occurred.
When a communication malfunction with the hybrid vehicle control
ECU is detected, TRAC and VSC are disabled. Also, TRAC and VSC