FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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EATX Output Open Load







EATX OUTPUT OPEN LOAD





For a complete wiring diagram Consult Diagrams/Electrical

- When Monitored:
With the ignition off.

- Set Condition:
If the Integrated Power Module (IPM) detects a open or short to battery condition on the Ignition Unlock/Run/Start circuit. This condition must be present for a least one second.





Diagnostic Test

1. INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, record and erase IPM DTC's.
Turn the ignition off.
With the scan tool, read active IPM DTCs.
Does the scan tool display: Trans Ignition Feed Open or Short To BATT?

Yes

- Go To2

No

- The condition that caused this DTC to set is not currently present. Using the wiring diagram as a guide, inspect for chafed, pierced, pinched, and broken wires in the related wiring and connectors and pushed out terminals in the related connectors.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test.

2. PCM




Turn the ignition off.
Disconnect the PCM C1 harness connector.
Measure the voltage between the (F1) Ignition Unlock/Run/Start circuit and ground.
Does the test light illuminate brightly?

Yes

- Go To 3

No

- Go To4

3. (F1) IGNITION UNLOCK/RUN/START CIRCUIT SHORTED TO VOLTAGE




Turn the ignition off.
Measure the voltage of the (F1) Ignition Unlock/Run/Start circuit.
Does the test light illuminate brightly?

Yes

- Repair the Ignition Unlock/Run/Start circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test.

No

- Replace the PCM.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test.

4. IGNITION UNLOCK/RUN/START CIRCUIT OPEN




Turn the ignition off.
Disconnect the IPM C6 harness connector.
Measure the resistance of the (F1) Ignition Unlock/Run/Start circuit.
Is the resistance below 10K ohms?

Yes

- Repair the (F1) Ignition Unlock/Run/Start circuit for an open
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test.

No

- Replace the IPM.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test.