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.

SMART KEY SYSTEM (FOR START FUNCTION)

Symptom	Suspected Area	Refer To
Power Source Mode does not Change	Power Switch Indicator Circuit	Refer to Power Switch Indicator Circuit
	Room Oscillator does not Recognize Key	Refer to Room Oscillator does not Recognize Key
	Power switch	Refer to INSPECTION
	ID code box (immobiliser code ECU)	Refer to TERMINALS OF ECU
	Main body ECU	Refer to TERMINALS OF ECU
	Harness or connector	Refer to Power Source Mode does not Change
Power source mode does not change to on (READY)	Push-button start function DTCs	Refer to DIAGNOSTIC TROUBLE CODE CHART
	Power Source Mode does not Change	Refer to Power Source Mode does not Change
	Immobiliser system	Refer to HOW TO PROCEED WITH TROUBLESHOOTING
	Steering lock system	Refer to HOW TO PROCEED WITH TROUBLESHOOTING
	Electronic shift lever system	Refer to HOW TO PROCEED WITH TROUBLESHOOTING
	EV system	Refer to HOW TO PROCEED WITH TROUBLESHOOTING
	Power switch	Refer to INSPECTION
	Stop light switch	Refer to ON-VEHICLE INSPECTION
	Main body ECU	Refer to TERMINALS OF ECU
	Harness or connector	Refer to Power Source Mode does not Change to ON (READY)