Toyota Corolla Cross: Brake Control Power Supply
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REMOVAL
CAUTION / NOTICE / HINT
COMPONENTS (REMOVAL)
Procedure
Part Name Code
1
PRECAUTION
-
INSTALLATION
CAUTION / NOTICE / HINT
COMPONENTS (INSTALLATION)
Procedure
Part Name Code
1
NO. 1 BRAKE CONTROL POWER SUP
Inspection
INSPECTION
PROCEDURE
1. INSPECT BRAKE HOLD SWITCH (ELECTRIC PARKING BRAKE SWITCH ASSEMBLY)
(a) Check the resistance.
(1) Measure the resistance according to the value(s) i
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REASSEMBLY CAUTION / NOTICE / HINT COMPONENTS (REASSEMBLY)
Procedure Part Name Code
1 REAR BUMPER REINFORCEMENT SUB-ASSEMBLY
52023 -
- -
2 REAR BUMPER UPPER RETAINER LH
52563A -
- -
3 REAR BUMPER UPPER RETAINER RH
52
DESCRIPTION
When the ignition switch is ON, auxiliary battery voltage is applied to terminal
MREL of the ECM through the coil of the EFI-MAIN relay. This causes the EFI-MAIN
relay to close, which supplies power to terminal +B of the TCM.
WIRING DIAGRAM
Refer to DTC U010087.
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CAU