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Home >> Lexus >> 2014 >> IS F >> Repair and Diagnosis >> Accessories & Equipment >> Warning Systems >> Intuitive Parking Assist System (Diagnostics) (Introduction) >> Intuitive Parking Assist System >> Problem Symptoms Table [09/2013 - ] >> Problem Symptoms Table [09/2013 - ]
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Problem Symptoms Table [09/2013 - ]

HINT: 

GENERAL

Symptom Suspected Area See
System does not operate at all (self-check function does not operate) Clearance warning ECU power source circuit Refer to Clearance Warning ECU Power Source Circuit [09/2013 - ]
Clearance sonar main switch circuit Refer to Clearance Sonar Main Switch Circuit [09/2013 - ]
Vehicle wire harness or connector (BEAN communication) Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2013 - ]
Clearance warning ECU Refer to REMOVAL [09/2013 - ]
Satellite switch (clearance sonar main switch) Refer to REMOVAL [09/2013 - ]
Combination meter assembly Refer to REMOVAL [09/2013 - ]
SONAR FUNCTION

Symptom Suspected Area See
Ultrasonic sensor (clearance sonar) does not operate (self-check function operates normally) Front left sensor (ultrasonic sensor) malfunction Refer to DTC B2232: Front Left Sensor Malfunction [09/2013 - ]
Front right sensor (ultrasonic sensor) malfunction Refer to DTC B2235: Front Right Sensor Malfunction [09/2013 - ]
Rear left sensor (ultrasonic sensor) malfunction Refer to DTC B2237: Rear Left Sensor Malfunction [09/2013 - ]
Rear right sensor (ultrasonic sensor) malfunction Refer to DTC B2241: Rear Right Sensor Malfunction [09/2013 - ]
Clearance warning ECU Refer to REMOVAL [09/2013 - ]
Ultrasonic sensor (back sonar) does not operate (self-check function operates normally) Rear left center sensor (ultrasonic sensor) malfunction Refer to DTC B2238: Rear Left Center Sensor Malfunction [09/2013 - ]
Rear right center sensor (ultrasonic sensor) malfunction Refer to DTC B2239: Rear Right Center Sensor Malfunction [09/2013 - ]
Clearance warning ECU Refer to REMOVAL [09/2013 - ]
Open circuit is displayed in self-check function Front left sensor (ultrasonic sensor) malfunction Refer to DTC B2232: Front Left Sensor Malfunction [09/2013 - ]
Front right sensor (ultrasonic sensor) malfunction Refer to DTC B2235: Front Right Sensor Malfunction [09/2013 - ]
Rear left sensor (ultrasonic sensor) malfunction Refer to DTC B2237: Rear Left Sensor Malfunction [09/2013 - ]
Rear right sensor (ultrasonic sensor) malfunction Refer to DTC B2241: Rear Right Sensor Malfunction [09/2013 - ]
Rear left center sensor (ultrasonic sensor) malfunction Refer to DTC B2238: Rear Left Center Sensor Malfunction [09/2013 - ]
Rear right center sensor (ultrasonic sensor) malfunction Refer to DTC B2239: Rear Right Center Sensor Malfunction [09/2013 - ]
Clearance warning ECU Refer to REMOVAL [09/2013 - ]
Combination meter (shift indicator) operates normally, but detection operates when shift lever in P, or detection does not operate when shift lever is not in P Vehicle wire harness or connector (BEAN communication) Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2013 - ]
Clearance warning ECU Refer to REMOVAL [09/2013 - ]
Combination meter (speedometer) operates normally, but errors occur when vehicle speed exceeds 6 mph (10 km/h) Vehicle wire harness or connector (BEAN communication) Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2013 - ]
Clearance warning ECU Refer to REMOVAL [09/2013 - ]
Combination meter assembly Refer to REMOVAL [09/2013 - ]
Combination meter (shift indicator) operates normally, but detection operates when shift lever is not in R, or does not operate with the shift lever in R (rear ultrasonic sensor) Vehicle wire harness or connector (BEAN communication) Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2013 - ]
Clearance warning ECU Refer to REMOVAL [09/2013 - ]
Freeze condition is displayed in self-check function Remove ice, mud or snow from the ultrasonic sensor -
BUZZER FUNCTION

Symptom Suspected Area See
Sonar detection operation is normal but buzzer operation is intermittent No. 1 clearance warning buzzer circuit Refer to No. 1 Clearance Warning Buzzer Circuit [09/2013 - ]
Clearance warning ECU Refer to REMOVAL [09/2013 - ]
DISPLAY FUNCTION

Symptom Suspected Area See
Detection operation is normal but sonar displays of multi-information display do not appear Vehicle wire harness or connector (BEAN communication) Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2013 - ]
Clearance warning ECU Refer to REMOVAL [09/2013 - ]
Combination meter assembly Refer to REMOVAL [09/2013 - ]
Detection operation is normal but sonar displays of multi-display assembly do not appear*1, *2 Vehicle wire harness or connector (BEAN communication) Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2013 - ]
Clearance warning ECU Refer to REMOVAL [09/2013 - ]
Multi-media module receiver assembly*1 Refer to REMOVAL [09/2013 - ]
Multi-media module receiver assembly*2 Refer to REMOVAL [09/2013 - ]