| CHECK ECM. |
|
Install the ECM from other normal operating vehicle which use same ECM to the vehicle to be diagnosed. |
| QUESTION | |
|
Is ECM registration finished? And does the engine start? | |
| Yes | No |
|
Replace the ECM. |
Replace the ID code box. |
| CHECK ECM. |
|
Install the ECM from other normal operating vehicle which use same ECM to the vehicle to be diagnosed. |
| QUESTION | |
|
Is ECM registration finished? And does the engine start? | |
| Yes | No |
|
Replace the ECM. |
Replace the ID code box. |
