DTC B1570
Precautions: Precautions for Diagnosing Trouble · General safety (00)
DTC Detecting Condition and Trouble Area
| DTC detecting condition | Trouble area |
|---|---|
|
B1570: Engine Type Signal Failure HVAC control module receives invalid data of engine type signal from ECM. |
•ECM
•HVAC control module |
DTC Troubleshooting
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
Was “Air Conditioning System Check” performed?
|
Go to Step 2.
|
|
| 2 |
Scan tool data check
1)Connect scan tool with ignition “OFF”.
2)Set ignition to “ON” and select “DATA LIST” mode.
3)Check “Engine Type” displayed on scan tool.
Is engine type correct as indicated in “Scan Tool Data”?
|
Replace ECM and recheck DTC.
|