DTC Troubleshooting

DTC TROUBLESHOOTING CHART

Step	Action	Yes	No
1	Was "Engine and Emission Control System Check" performed?	Go to Step 2.	Go to "ENGINE AND EMISSION CONTROL SYSTEM CHECK ".
2	Battery voltage supply circuit check Remove ECM cover. While engine running, check voltage between "E61-2" terminal and ground. Is voltage 10-14 V?	Poor "E61 -2" terminal connection or intermittent trouble. Check for intermittent referring to "INTERMITTENT AND POOR CONNECTION INSPECTION ". If wire and connections are OK, substitute a known-good ECM and recheck.	"WHT" circuit open, short or "RADIO DOME" fuse blown.

Step

Action

Yes

Was "Engine and Emission Control System Check" performed?

Go to Step 2.

Battery voltage supply circuit check

Is voltage 10-14 V?

Poor "E61 -2" terminal connection or intermittent trouble.

If wire and connections are OK, substitute a known-good ECM and recheck.

"WHT" circuit open, short or "RADIO DOME" fuse blown.