For 1990-2009 cars

Step | Action | Value | Yes | No
--- | --- | --- | --- | ---
SCHEMATIC REFERENCE: Starting and Charging Schematics
1 | Did you perform the Diagnostic System Check for starting and charging? | -- | Go to Step 2 | Go to Diagnostic System Check - Engine Electrical
2 | Start the engine. Does the charge indicator lamp remain ON? | -- | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
3 |

1. Install a scan tool.
2. With a scan tool, observe the Ignition 1 parameter in the PCM data list.

Is the voltage within the specified value?

11.0-15.5 Volts

Go to Step 4

Go to Charging System Test

4 |

1. Turn OFF the ignition.
2. Disconnect the PCM.
3. Turn ON the ignition, with the engine OFF.

Is the charge indicator lamp ON?

--

Go to Step 5

Go to Step 7

5 | Inspect for poor connections at the harness connector of the IPC. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 9 | Go to Step 6
6 | Replace the instrument panel cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console. Did you complete the replacement? | -- | Go to Step 9 | --
7 | Inspect for poor connections at the PCM harness connector. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 9 | Go to Step 8
8 | IMPORTANT:: Perform the set up procedures for the PCM. Replace the PCM. Refer to Powertrain Control Module Replacement/Programming in Engine Controls - 3.4L. Did you complete the replacement? | -- | Go to Step 9 | --
9 | Operate the system for which the symptom occurred. Did you correct the condition? | -- | System OK | Go to Step 2