Problem Symptoms Table
HINT:
Use the table below to help determine the cause of the problem symptom. 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.
General
GENERAL PROBLEM SYMPTOMS CHART
| Symptom | Suspected Area | See |
|---|---|---|
| System does not operate at all (self-check function does not operate) | Clearance warning ecu power source circuit*1 | CLEARANCE WARNING ECU POWER SOURCE CIRCUIT |
| Parking assist ecu power source circuit*2 | ECU POWER SOURCE CIRCUIT | |
| Clearance sonar main switch circuit | CLEARANCE SONAR MAIN SWITCH CIRCUIT | |
| Can communication system | CAN COMMUNICATION SYSTEM | |
| Clearance warning ecu*1 | CLEARANCE WARNING ECU (W/O ADVANCED PARKING GUIDANCE SYSTEM) | |
| Parking assist ecu*2 | PARKING ASSIST ECU (W/ ADVANCED PARKING GUIDANCE SYSTEM) | |
| Outer mirror switch | REMOVAL |
Sonar function
SONAR FUNCTION PROBLEM SYMPTOMS CHART
| Symptom | Suspected Area | See |
|---|---|---|
| Freeze condition is displayed as a result of self-check | Remove ice, mud or snow from the ultrasonic sensor | - |
| Open circuit in front sensors is displayed as a result of self-check (w/o advanced parking guidance system) front left side sensor malfunction | DTC C1AE0 FRONT LEFT SIDE SENSOR | |
| Front left sensor malfunction | DTC C1AE1 Front Left Sensor Malfunction | |
| Front left center sensor malfunction | DTC C1AE2 FRONT LEFT CENTER SENSOR | |
| Front right center sensor malfunction | DTC C1AE3 FRONT RIGHT CENTER SENSOR | |
| Front right sensor malfunction | DTC C1AE4 FRONT RIGHT SENSOR MALFUNCTION | |
| Front right side sensor malfunction | DTC C1AE5 FRONT RIGHT SIDE SENSOR | |
| Clearance warning ECU | CLEARANCE WARNING ECU (W/O ADVANCED PARKING GUIDANCE SYSTEM) | |
| Open circuit in front sensors is displayed as a result of self-check (w/ advanced parking guidance system) | Front left sensor malfunction | DTC C1AE1 FRONT LEFT SENSOR MALFUNCTION |
| Front left center sensor malfunction | DTC C1AE2 FRONT LEFT CENTER SENSOR | |
| Front right center sensor malfunction | DTC C1AE3 FRONT RIGHT CENTER SENSOR | |
| Front right sensor malfunction | DTC C1AE4 FRONT RIGHT SENSOR MALFUNCTION | |
| Front left side sensor malfunction | DTC C1AE0 FRONT LEFT SIDE SENSOR | |
| Front right side sensor malfunction | DTC C1AE5 FRONT RIGHT SIDE SENSOR | |
| Parking assist ECU | PARKING ASSIST ECU (W/ ADVANCED PARKING GUIDANCE SYSTEM) | |
| Open circuit in rear sensors is displayed as a result of self-check | Rear right sensor malfunction | DTC C1AE9 REAR RIGHT SENSOR MALFUNCTION |
| Rear right center sensor malfunction | DTC C1AE8 REAR RIGHT CENTER SENSOR MALFUNCTION | |
| Rear left center sensor malfunction | DTC C1AE7 REAR LEFT CENTER SENSOR MALFUNCTION | |
| Rear left sensor malfunction | DTC C1AE6 REAR LEFT SENSOR MALFUNCTION | |
| Clearance warning ECU*1 | CLEARANCE WARNING ECU (W/O ADVANCED PARKING GUIDANCE SYSTEM) | |
| Parking assist ECU*2 | PARKING ASSIST ECU (W/ ADVANCED PARKING GUIDANCE SYSTEM) | |
| Detection operation operates even when vehicle speed is over 13 km/h (8 mph) | Can communication system | CAN COMMUNICATION SYSTEM |
| Clearance warning ECU*1 | CLEARANCE WARNING ECU (W/O ADVANCED PARKING GUIDANCE SYSTEM) | |
| Parking assist ECU*2 | PARKING ASSIST ECU (W/ ADVANCED PARKING GUIDANCE SYSTEM) |
Display function
DISPLAY FUNCTION PROBLEM SYMPTOMS CHART
| Symptom | Suspected Area | See |
|---|---|---|
| Detection operation is normal but sonar displays do not appear on multi-information display | Can communication system | CAN COMMUNICATION SYSTEM |
| Clearance warning ECU*1 | CLEARANCE WARNING ECU (W/O ADVANCED PARKING GUIDANCE SYSTEM) | |
| Parking assist ECU*2 | PARKING ASSIST ECU (W/ ADVANCED PARKING GUIDANCE SYSTEM) | |
| Combination meter | REMOVAL | |
| Detection operation is normal but sonar displays do not appear on multi-display | Can communication system | CAN COMMUNICATION SYSTEM |
| Clearance warning ECU*1 | CLEARANCE WARNING ECU (W/O ADVANCED PARKING GUIDANCE SYSTEM) | |
| Parking assist ECU*2 | PARKING ASSIST ECU (W/ ADVANCED PARKING GUIDANCE SYSTEM) | |
| Multi-display | REMOVAL | |
| Display and navigation assembly | REMOVAL | |
| Detection operation is normal but clearance sonar main switch indicator does not illuminate | Can communication system | CAN COMMUNICATION SYSTEM |
| Clearance warning ECU*1 | CLEARANCE WARNING ECU (W/O ADVANCED PARKING GUIDANCE SYSTEM) | |
| Parking assist ECU*2 | PARKING ASSIST ECU (W/ ADVANCED PARKING GUIDANCE SYSTEM) | |
| Outer mirror switch | REMOVAL |
Buzzer function
BUZZER FUNCTION PROBLEM SYMPTOMS CHART
| Symptom | Suspected Area | See |
|---|---|---|
| Detection operation is normal but buzzer operation is intermittent | Front clearance warning buzzer circuit | NO. 1 CLEARANCE WARNING BUZZER CIRCUIT |
| Rear clearance warning buzzer circuit | NO. 2 CLEARANCE WARNING BUZZER CIRCUIT | |
| Clearance warning ECU*1 | CLEARANCE WARNING ECU (W/O ADVANCED PARKING GUIDANCE SYSTEM) | |
| Parking assist ECU*2 | PARKING ASSIST ECU (W/ ADVANCED PARKING GUIDANCE SYSTEM) | |
| HINT: *1: w/o Advanced parking guidance system *2: w/ Advanced parking guidance system |
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