EASY AND SMOOTH START SYSTEM PROBLEM SYMPTOMS TABLE

Tech Tips

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.

ES Start System
Symptom	Suspected Area	See page
ES start does not operate	Check the DTC again and make sure that the normal system code is output.	Click here
	Battery power supply voltage	Click here
	ES start timing switch (Main switch)	Click here
	ES start timing switch (Timing switch)	Click here
	Parking brake abnormal	Click here
	Vehicle speed sensor	Click here
	Check the brake actuator assembly with the intelligent tester. (Check brake actuator assembly operation using the Active Test function.) If abnormal, check the hydraulic circuit for leakage.	Click here
	If the symptoms still occur even after the above circuits in suspected areas have been inspected and proved to be normal, replace the skid control ECU.	*1
ES start cannot be canceled	Registration	Click here
	ES start timing switch (Main switch)	Click here
	Neutral switch	Click here
	Tachometer sensor	Click here
	Parking brake abnormal	Click here
	If the symptoms still occur even after the above circuits in suspected areas have been inspected and proved to be normal, replace the skid control ECU.	*1
ES start indicator light abnormal	ES start indicator light circuit	Click here
ES start indicator light abnormal	Skid control ECU	*1
ES start buzzer abnormal	ES start buzzer circuit	Click here
ES start buzzer abnormal	Skid control ECU	*1

*1: See Pub. No. RM1008E