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.
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 | CLEARANCE WARNING ECU POWER SOURCE CIRCUIT |
| Clearance sonar main switch circuit | CLEARANCE SONAR MAIN SWITCH CIRCUIT | |
| Replace clearance warning ECU | - | |
| No. 3 ultrasonic sensor does not operate (self-check function operates normally) | Front left sensor (No. 3 ultrasonic sensor) malfunction | DTC B2232 FRONT LEFT SENSOR MALFUNCTION |
| Front right sensor (No. 3 ultrasonic sensor) malfunction | DTC B2235 FRONT RIGHT SENSOR MALFUNCTION | |
| Front left center sensor (No. 3 ultrasonic sensor) malfunction | DTC B2233 FRONT LEFT CENTER SENSOR MALFUNCTION | |
| Front right center sensor (No. 3 ultrasonic sensor) malfunction | DTC B2234 FRONT RIGHT CENTER SENSOR MALFUNCTION | |
| Replace clearance warning ECU | - | |
| Cannot enter steering sensing mode | Steering angle mid-point learning operation (perform again) | INITIALIZATION |
| Ultrasonic sensors (malfunction may be present) | DIAGNOSIS SYSTEM | |
| Steering angle sensor malfunction | REMOVAL | |
| Variable gear ratio steering system malfunction | DIAGNOSTIC TROUBLE CODE CHART | |
| Replace clearance warning ECU | - | |
| Corner sonar does not operate at all (self-check function operates normally) | Rear left sensor (No. 1 ultrasonic sensor) malfunction | DTC B2237 REAR LEFT SENSOR MALFUNCTION |
| Rear right sensor (No. 1 ultrasonic sensor) malfunction | DTC B2241 REAR RIGHT SENSOR MALFUNCTION | |
| Replace clearance warning ECU | - | |
| Back sonar does not operate at all (self-check function operates normally) | Rear left center sensor (No. 2 ultrasonic sensor) malfunction | DTC B2238 REAR LEFT CENTER SENSOR MALFUNCTION |
| Rear right center sensor (No. 2 ultrasonic sensor) malfunction | DTC B2239 REAR RIGHT CENTER SENSOR MALFUNCTION | |
| Replace clearance warning ECU | - | |
| Sonar detection operation is normal but buzzer operation is intermittent | No. 1 clearance warning buzzer circuit | NO. 1 CLEARANCE WARNING BUZZER CIRCUIT |
| Replace clearance warning ECU | - | |
| Detection operation is normal but sonar displays of multi-information display do not appear | Vehicle wire harness or connector (BEAN communication) | HOW TO PROCEED WITH TROUBLESHOOTING |
| Replace clearance warning ECU | - | |
| Replace combination meter | - | |
| Detection operation is normal but sonar displays of multi-display do not appear | Vehicle wire harness or connector (BEAN communication) | HOW TO PROCEED WITH TROUBLESHOOTING |
| Replace clearance warning ECU | - | |
| Replace network gateway ECU | - | |
| Replace multi-display | - | |
| Open circuit is displayed in self-check function | Front left sensor (No. 3 ultrasonic sensor) malfunction | DTC B2232 FRONT LEFT SENSOR MALFUNCTION |
| Front right sensor (No. 3 ultrasonic sensor) malfunction | DTC B2235 FRONT RIGHT SENSOR MALFUNCTION | |
| Front left center sensor (No. 3 ultrasonic sensor) malfunction | DTC B2233 FRONT LEFT CENTER SENSOR MALFUNCTION | |
| Front right center sensor (No. 3 ultrasonic sensor) malfunction | DTC B2234 FRONT RIGHT CENTER SENSOR MALFUNCTION | |
| Rear left sensor (No. 1 ultrasonic sensor) malfunction | DTC B2237 REAR LEFT SENSOR MALFUNCTION | |
| Rear right sensor (No. 1 ultrasonic sensor) malfunction | DTC B2241 REAR RIGHT SENSOR MALFUNCTION | |
| Rear left center sensor (No. 2 ultrasonic sensor) malfunction | DTC B2238 REAR LEFT CENTER SENSOR MALFUNCTION | |
| Rear right center sensor (No. 2 ultrasonic sensor) malfunction | DTC B2239 REAR RIGHT CENTER SENSOR MALFUNCTION | |
| 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 | Vehicle wire harness or connector (BEAN communication) | HOW TO PROCEED WITH TROUBLESHOOTING |
| Replace clearance warning ECU | - | |
| Combination meter operates normally but errors occur when vehicle speed exceeds 10 km/h (6 mph) | Vehicle wire harness or connector (BEAN communication) | HOW TO PROCEED WITH TROUBLESHOOTING |
| Replace clearance warning ECU | - | |
| Steering angle information failure is displayed | Steering angle sensor malfunction | REMOVAL |
| Variable gear ratio steering system malfunction | DIAGNOSTIC TROUBLE CODE CHART | |
| CAN communication system | SYSTEM DESCRIPTION |