Toyota Parking Assist-Sensor System (W/ Multi-Display) -- Problem Symptoms Table |
- HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, 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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
- When open circuit indication is displayed during the self-check function, check for DTCs and troubleshoot according to each inspection procedure.
| Symptom | Suspected Area | See page |
| System does not operate at all (self-check function does not operate) | Proceed to "Clearance Warning ECU Power Source Circuit" | LandCruiser RM000000APU09WX.html |
| Replace clearance warning ECU (for LHD) | LandCruiser RM00000466X025X.html | |
| Replace clearance warning ECU (for RHD) | LandCruiser RM00000466X025X.html | |
| System cannot be turned off | Replace clearance warning ECU (for LHD) | LandCruiser RM00000466X025X.html |
| Replace clearance warning ECU (for RHD) | LandCruiser RM00000470500NX.html |
| Symptom | Suspected Area | See page |
| Frozen indication is displayed in self-check function | Refer to Precaution | LandCruiser RM000000IQS09MX.html |
| Replace ultrasonic sensor in part where frozen indication is displayed | - | |
| Replace clearance warning ECU (for LHD) | LandCruiser RM00000466X025X.html | |
| Replace clearance warning ECU (for RHD) | LandCruiser RM00000470500NX.html | |
| Combination meter assembly (shift indicator) operates normally, but detection operates when shift lever is in P, or detection does not operate when shift lever is in any position except P (front corner ultrasonic sensor) (for 8 Sensor Type) | Replace clearance warning ECU (for LHD) | LandCruiser RM00000466X025X.html |
| Replace clearance warning ECU (for RHD) | LandCruiser RM00000470500NX.html | |
| Combination meter assembly (shift indicator) operates normally, but detection operates when shift lever is in P or R, or detection does not operate when shift lever is in any position except P and R (front center ultrasonic sensor) (for 8 Sensor Type) | Replace clearance warning ECU (for LHD) | LandCruiser RM00000466X025X.html |
| Replace clearance warning ECU (for RHD) | LandCruiser RM00000470500NX.html | |
| Combination meter assembly (shift indicator) operates normally, but detection operates when shift lever is in any position except R, or does not operate with the shift lever in R (rear ultrasonic sensor) | Proceed to "Reverse Signal Circuit" | LandCruiser RM000001W8V08ZX.html |
| Replace clearance warning ECU (for LHD) | LandCruiser RM00000466X025X.html | |
| Replace clearance warning ECU (for RHD) | LandCruiser RM00000470500NX.html | |
| Detection operation operates even when vehicle speed exceeds operation condition speed | Replace clearance warning ECU (for LHD) | LandCruiser RM00000466X025X.html |
| Replace clearance warning ECU (for RHD) | LandCruiser RM00000470500NX.html |
| Symptom | Suspected Area | See page |
| Sonar detection operation is normal but buzzer operation is intermittent | Proceed to "Clearance Warning Buzzer Circuit" | LandCruiser RM00000470800XX.html |
| Replace clearance warning ECU (for LHD) | LandCruiser RM00000466X025X.html | |
| Replace clearance warning ECU (for RHD) | LandCruiser RM00000470500NX.html |
| Symptom | Suspected Area | See page |
| Detection operation is normal but clearance sonar indicator does not illuminate | Combination meter assembly (Active Test) | LandCruiser RM0000012G70JTX.html |
| Replace clearance warning ECU (for LHD) | LandCruiser RM00000466X025X.html | |
| Replace clearance warning ECU (for RHD) | LandCruiser RM00000470500NX.html | |
| Detection operation is normal but no sonar displays appear | Replace clearance warning ECU (for LHD) | LandCruiser RM00000466X025X.html |
| Replace clearance warning ECU (for RHD) | LandCruiser RM00000470500NX.html | |
| Detection operation is normal but sonar displays of multi-information display do not appear | Replace combination meter assembly | LandCruiser RM000003QKY01CX.html |
| Replace clearance warning ECU (for LHD) | LandCruiser RM00000466X025X.html | |
| Replace clearance warning ECU (for RHD) | LandCruiser RM00000470500NX.html | |
| Detection operation is normal but sonar displays of multi-display do not appear | Replace navigation receiver assembly (for Navigation Receiver Type) | LandCruiser RM000003B6H02GX.html |
| Replace radio and display receiver assembly (for Radio and Display Type) | LandCruiser RM000003AHY02NX.html | |
| Replace clearance warning ECU (for LHD) | LandCruiser RM00000466X025X.html | |
| Replace clearance warning ECU (for RHD) | LandCruiser RM00000470500NX.html |
| Symptom | Suspected Area | See page |
| Clearance sonar main switch does not operate | Proceed to "B2660" (for 8 Sensor Type) | LandCruiser RM0000046DI00EX.html |
| Proceed to "Main Switch Circuit" | LandCruiser RM000004BQF00EX.html | |
| Replace clearance warning ECU (for LHD) | LandCruiser RM00000466X025X.html | |
| Replace clearance warning ECU (for RHD) | LandCruiser RM00000470500NX.html |