ELECTRIC PARKING BRAKE SYSTEM PROBLEM SYMPTOMS TABLE

Tech Tips

Use the table below to help determine the cause of the problem symptom. 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.

Electric parking brake system
Symptom	Suspected Area	See page
Electric parking brake does not operate	ECU-B2 fuse	Click here
	Power supply voltage drops	Click here
	Wire harness or connector	Click here
	Electric parking brake ECU	Click here
	Parking brake bedding	Click here
Electric parking brake AUTO function does not operate	Electric parking brake AUTO function circuit	Click here
Electric parking brake AUTO switch light remains ON	Electric parking brake AUTO switch light circuit	Click here