DTC B1851 / B1852
Precautions: Precautions for Body, Cab and Accessories · General safety (00)
DTC Detecting Condition and Trouble Area
| DTC detecting condition | Trouble area |
|---|---|
|
B1851: Front Parking Sensor Communication Bus Error Combination meter cannot send / receive communication data to / from front parking sensor. |
•Parking sensor system control module
•Parking sensor •Communication circuit |
|
B1852: Rear Parking Sensor Communication Bus Error Combination meter cannot send / receive communication data to / from rear parking sensor. |
Circuit Diagram
| [A]: | Parking sensor system control module connector (View: [a]) | 4. | Parking sensor (Front-center-right) | 8. | Parking sensor (Rear-center-right) |
| 1. | Parking sensor system control module | 5. | Parking sensor (Front-right) | 9. | Parking sensor (Rear-right) |
| 2. | Parking sensor (Front-left) | 6. | Parking sensor (Rear-left) | ||
| 3. | Parking sensor (Front-center-left) | 7. | Parking sensor (Rear-center-left) |
DTC Troubleshooting
NOTE:
The following procedure describes how to check DTC B1852. Follow the same procedure for DTC B1851.
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
Circuit check
1)Check that ignition is “OFF”.
2)Disconnect parking sensor system control module connectors and all parking sensor connectors.
3)Check for proper connection parking sensor system control module connector and all parking sensor connectors.
4)If connections are OK, check circuits between parking sensor system control module connector and all parking sensor connectors for open circuit, short to ground or short to power supply.
Is check result OK?
|
Go to Step 2.
|
Repair defective wire harness.
|
| 2 |
Parking sensor (rear-left) check
1)Connect parking sensor system control module connector and all parking sensor connectors.
2)Replace parking sensor (rear-left).
3)Set ignition “ON”.
4)Check DTC.
Is DTC B1852 still detected?
|
Go to Step 3.
|
End.
|
| 3 |
Parking sensor (rear-center-left) check
1)Replace parking sensor (rear-center-left).
2)Set ignition “ON”.
3)Check DTC.
Is DTC B1852 still detected?
|
Go to Step 4.
|
End.
|
| 4 |
Parking sensor (rear-center-right) check
1)Replace parking sensor (rear-center-right).
2)Set ignition “ON”.
3)Check DTC.
Is DTC B1852 still detected?
|
Go to Step 5.
|
End.
|
| 5 |
Parking sensor (rear-right) check
1)Replace parking sensor (rear-right).
2)Set ignition “ON”.
3)Check DTC.
Is DTC B1852 still detected?
|
Replace parking sensor system control module.
|
End.
|