Clearance Sonar System Problem Symptoms Table

Body Electrical. Lexus Is250, Is220D. Gse20 Ale20
Park Assist Monitoring. Lexus Is250, Is220D. Gse20 Ale20

Clearance Sonar System -- Problem Symptoms Table



Symptom
Suspected area
See page
System does not operate at all (self-check function does not operate)
Clearance warning ECU power source circuit
Click here
Clearance sonar main switch (satellite switch) circuit
Click here
Clearance warning ECU
-
Satellite switch (clearance sonar main switch)
-
Ultrasonic sensor (clearance sonar) does not operate (self-check function operates normally)
Front left sensor (ultrasonic sensor) malfunction
Click here
Front right sensor (ultrasonic sensor) malfunction
Click here
Rear left sensor (ultrasonic sensor ) malfunction
Click here
Rear right sensor (ultrasonic sensor) malfunction
Click here
Clearance warning ECU
-
Ultrasonic sensor (back sonar) does not operate (self-check function operates normally)
Rear left center sensor (ultrasonic sensor ) malfunction
Click here
Rear right center sensor (ultrasonic sensor) malfunction
Click here
Clearance warning ECU
-
Sonar detection operation is normal but buzzer operation is intermittent
No. 1 clearance warning buzzer circuit
Click here
Clearance warning ECU
-
Detection operation is normal but sonar displays of multi-information display do not appear
Vehicle wire harness or connector (BEAN communication)
Click here
Clearance warning ECU
-
Combination meter
-
Detection operation is normal but sonar displays of multi-display do not appear
Vehicle wire harness or connector (BEAN communication)
Click here
Clearance warning ECU
-
Multi-display
-
Open circuit is displayed in self-check function
Front left sensor (ultrasonic sensor) malfunction
Click here
Front right sensor (ultrasonic sensor) malfunction
Click here
Rear left sensor (ultrasonic sensor ) malfunction
Click here
Rear right sensor (ultrasonic sensor) malfunction
Click here
Rear left center sensor (ultrasonic sensor ) malfunction
Click here
Rear right center sensor (ultrasonic sensor) malfunction
Click here
Operating indicator does not illuminate
Clearance sonar main switch (satellite switch) circuit
Click here
Satellite switch (clearance sonar main switch)
-
Freeze condition is displayed in self-check function
Remove ice, mud or snow from the ultrasonic sensor
-
Combination meter operates normally, but detection operates when shift lever position is P, or detection does not operate when shift lever is not on P
Park/neutral position switch malfunction (for A/T model)
Click here
Vehicle wire harness or connector (BEAN communication)
Click here
Clearance warning ECU
-
Combination meter operates normally but errors occur when vehicle speed exceeds 6 mph (10 km/h)
Vehicle wire harness or connector (BEAN communication)
Click here
Clearance warning ECU
-
Combination meter
-
The system operates with the shift lever not in R, or does not operate with the shift lever is R position (rear ultrasonic sensor)
Park/neutral position switch malfunction (for A/T model)
Click here
Buck-up light switch malfunction (for M/T model)
Click here
Vehicle wire harness or connector (BEAN communication)
Click here
Vehicle wire harness or connector (CAN communication (for A/T model))
Click here
Clearance warning ECU
-