Step
| Action
| Value(s)
| Yes
| No
|
1
| Did
you perform the On-Board Diagnostic (OBD) System Check?
| --
|
Go to Step 2
| Go to
Powertrain On Board Diagnostic (OBD) System Check
|
2
|
- Check for faulty ECM grounds.
- If you find a problem, repair as necessary.
Did you find a problem?
| --
|
Go to Step 5
|
Go to Step
3
|
3
|
- Check for an improperly latched PROM.
- If you find a problem, repair as necessary.
Did you find a problem?
| --
|
Go to Step 5
|
Go to Step
4
|
4
| Replace the ECM. Refer to
Engine Control Module Replacement
.
Is the action complete?
| --
|
Go to Step 5
| --
|
5
|
- Clear the DTCs. Refer to Clearing DTCs.
- Start the engine and allow the engine to idle at the normal operating
temperature.
- Operate the vehicle within the conditions for setting this DTC
as specified in the supporting text.
Did the DTC reset?
| --
|
Go to Step 2
|
Go to Step
6
|
6
| Are any DTCs stored which you have
not diagnosed?
| --
| Go to the Applicable DTC Table
| System OK
|
