DTC B1850
Precautions: Precautions for Body, Cab and Accessories · General safety (00)
DTC Detecting Condition and Trouble Area
| DTC detecting condition | Trouble area |
|---|---|
|
B1850: Lost Communication With Combination Meter (Combination Meter) Parking sensor system control module detected fault in LIN communication with combination meter. |
•Combination meter
•Parking sensor system control module •LIN communication circuit |
Circuit Diagram
| [A]: | Parking sensor system control module connector (View: [a]) | 1. | Parking sensor system control module | 3. | LIN driver |
| [B]: | Combination meter connector (View: [a]) | 2. | CPU | 4. | Combination meter |
DTC Troubleshooting
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
DTC check
1)Clear DTC.
2)Check that ignition is “OFF”.
3)Set ignition “ON”.
4)Check DTC.
Is DTC B1850 still detected?
|
Go to Step 2.
|
Check for intermittent trouble.
|
| 2 |
LIN communication circuit check
1)Check that ignition is “OFF”.
2)Disconnect combination meter and parking sensor system control module connectors.
3)Check for proper connection to combination meter and parking sensor system control module terminals.
4)If connections are OK, check circuit between combination meter connector and parking sensor system control module connector for open, short to ground or short to power supply.
Is check result OK?
|
Replace combination meter and recheck DTC.
If DTC B1850 is detected again, replace parking sensor system control module.
|
Repair LIN communication circuit.
|