Problem Symptoms Tables

WIRELESS DOOR LOCK CONTROL

Symptom

Suspect Area

See

All Function Of Wireless Door Lock Control System Do Not Operate

.....

Transmitter

⁽¹⁾

.....

Key Unlock Warning Switch Circuit

⁽²⁾

.....

Back Door ECU

⁽³⁾

.....

MPX Circuit

⁽⁴⁾

.....

Body ECU

⁽³⁾

Lock (Or Unlock) Function Does Not Operate

.....

Door Key Lock And Unlock Switch Circuit

⁽⁵⁾

.....

Door Unlock Detection Switch Circuit

⁽⁶⁾

.....

Body ECU

⁽³⁾

Automatic Lock Function Operates Even If Any Door Is Opened Within 30 Seconds After All Doors Are Unlocked By Wireless Door Lock Control System

.....

Door Courtesy Switch Circuit

⁽⁷⁾

.....

Back Door ECU

⁽³⁾

Wireless Door Lock Operates, But The Buzzer Does Not Sound

.....

Wireless Door Lock Buzzer Circuit

⁽⁸⁾

.....

MPX Circuit

⁽⁴⁾

.....

Back Door ECU

⁽³⁾

Buzzer Sound, But Wireless Door Lock Function Does Not Operate

.....

Body ECU

⁽³⁾

Back Door Window Open Control System Does Not Operate

.....

Back Door Power Window Motor Circuit

⁽⁹⁾

.....

Rear Wiper Limit Switch Circuit

⁽¹⁰⁾

.....

Back Door ECU

⁽³⁾

⁽¹⁾	WIRELESS DOOR LOCK CONTROL SYSTEM

⁽²⁾	CIRCUIT INSPECTION

⁽³⁾	HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS

⁽⁴⁾

⁽⁵⁾	DOOR KEY LOCK AND UNLOCK SWITCH CIRCUIT

⁽⁶⁾	DOOR UNLOCK DETECTION SWITCH CIRCUIT

⁽⁷⁾	FRONT AND REAR DOOR COURTESY SWITCH CIRCUIT

⁽⁸⁾	WIRELESS DOOR LOCK BUZZER CIRCUIT

⁽⁹⁾	BACK DOOR POWER WINDOW MOTOR CIRCUIT

⁽¹⁰⁾	REAR WIPER LIMIT SWITCH CIRCUIT

REAR WIPER AND WASHER

Symptom

Suspect Area

See

Rear Wiper Does Not Operate

.....

Wiper Switch Circuit

⁽¹⁾

.....

Wiper Motor Circuit

⁽²⁾

.....

Body ECU

⁽³⁾

.....

Back Door ECU

⁽³⁾

Rear Washer Does Not Operate

.....

Washer Switch Circuit

⁽¹⁾

.....

Washer Motor

⁽¹⁾

.....

Wire Harness

.....

Body ECU

⁽³⁾

Wiper Does Not Operate When Washer Switch Is On

.....

Wiper Switch Circuit

⁽¹⁾

.....

Body ECU

⁽³⁾

⁽¹⁾	REAR WIPER SWITCH CIRCUIT

⁽²⁾	REAR WASHER MOTOR CIRCUIT

⁽³⁾	HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS