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Conditions for Clearing the MIL/DTC

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
DTC P2500

Step Action Values Yes No
Schematic Reference: Starting and Charging Schematics 
Connector End View Reference: 
1 Did you perform the Engine Electrical Diagnostic System Check? - Go to Step 2  Go to Diagnostic System Check - Engine Electrical 
2
  1. Install a scan tool.
  2. Operate the vehicle within the conditions for running the DTC as specified in the supporting text.
  3. Using the scan tool, observe the specific DTC Information for DTC P2500 until the test runs.
Does the scan tool indicate that DTC P2500 has passed this ignition cycle?		 - Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3
  1. Turn OFF the ignition
  2. Disconnect the generator harness connector.
  3. Start the engine
  4. Measure the voltage between the generator turn on signal circuit of the generator harness connector and a good ground.
Is the voltage within the specified range?		 4.5-5.5 V Go to Step 5  Go to Step 4 
4 Test the generator turn on signal circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 8  Go to Step 6 
5 Inspect for poor connections at the harness connector of the generator. Refer to Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 8  Go to Charging System Test 
6 Inspect for poor connections at the harness connector of the ECM. Refer to Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 8  Go to Step 7 
7
IMPORTANT: The replacement ECM must be programmed.
Replace the ECM. Refer to ENGINE CONTROL MODULE .Did you complete the repair?		 - Go to Step 8  -
8
  1. Review and record the scan tool Fail Records data.
  2. Use the scan tool in order to clear the DTC.
  3. Operate the vehicle within the conditions for running DTC P2500.
  4. Using the scan tool, observe the specific DTC information for DTC P2500 until the test runs.
Does the scan tool indicate that DTC P2500 failed?		 - Go to Step 2  System OK
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