Toyota CH-R Service Manual: Problem Symptoms Table

Toyota CH-R Service Manual / Parking Brake / Electric Parking Brake System / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Symptom	Suspected Area	Link
Electric parking brake does not operate	Proceed to "Electric Parking Brake does not Operate"
Parking brake indicator light does not illuminate (red) or turn off when parking brake is manually engaged and disengaged	Proceed to "Electric Parking Brake does not Operate"
Electric parking brake AUTO function (shift-linked function) does not operate (shift-linked parking brake does not lock or release)	Proceed to "Electric Parking Brake AUTO Function Circuit"
AUTO indicator light does not change (does not illuminate or turn off) when mode switching (AUTO or manual) is performed	Proceed to "Electric Parking Brake AUTO Indicator Light Circuit"
Electric parking brake switch indicator light on electric parking brake switch (electric parking brake switch assembly) does not illuminate or turn off when lock and release operations are performed	Electric parking brake switch indicator light drive circuit HINT: When a malfunction occurs, the AUTO indicator light also does not illuminate or turn off.
	Wire harness or connector (electric parking brake switch (electric parking brake switch assembly) - skid control ECU (brake actuator assembly))	-
	Electric parking brake switch (electric parking brake switch assembly)
	Skid control ECU (brake actuator assembly)

Test Mode Procedure

TEST MODE PROCEDURE REAR BRAKE PAD REPLACEMENT MODE *1 Rear Disc Brake Piston *2 Nut *a The nut moves inward in pad re ...

Terminals Of Ecu

TERMINALS OF ECU CHECK SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) *a Component without harness connected (Skid Control ECU (Brake Actuator Assembly)) - ...

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