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STEP
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INSPECTION
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ACTION
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1
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VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has FREEZE FRAME DATA been recorded?
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Yes
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Go to the next step.
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No
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Record the FREEZE FRAME DATA on the repair order, then go to the next step.
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2
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VERIFY RELATED REPAIR INFORMATION AVAILABILITY
• Verify related service repair information availability.
• Is any related repair information available?
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Yes
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Perform repair or diagnosis according to the available repair information.
• If the vehicle is not repaired, go to the next step.
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No
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Go to the next step.
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3
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INSPECT DRIVE BELT CONDITION
• Verify that drive belt auto tensioner indicator mark does not exceed limit.
• Is front drive belt normal?
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Yes
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Go to the next step.
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No
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Replace and/or adjust drive belt, then go to Step 10.
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4
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INSPECT POOR CONNECTION OF PCM CONNECTOR
• Turn the ignition switch to off.
• Disconnect PCM connector.
• Inspect for poor connection (damaged, pulled-out terminals, corrosion, etc.).
• Is there a malfunction?
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Yes
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Repair terminals, then go to Step 10.
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No
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Go to the next step.
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5
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INSPECT POOR CONNECTION OF GENERATOR CONNECTOR
• Disconnect generator connector.
• Inspect for poor connection (damaged, pulled-out terminals, corrosion, etc.).
• Is there a malfunction?
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Yes
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Repair or replace terminals, then go to Step 10.
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No
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Go to the next step.
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6
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INSPECT GENERATOR CONTROL CIRCUIT FOR SHORT TO GROUND
• Inspect for continuity between generator terminal D (wiring harness-side) and body ground.
• Is there continuity?
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Yes
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Repair or replace wiring harness for short to ground, then go to Step 10.
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No
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Go to the next step.
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7
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INSPECT GENERATOR OUTPUT VOLTAGE MONITOR CIRCUIT FOR SHORT TO GROUND
• Inspect for continuity between generator terminal P (wiring harness-side) and body ground.
• Is there continuity?
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Yes
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Repair or replace wiring harness for short to ground, then go to Step 10.
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No
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Go to the next step.
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8
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INSPECT GENERATOR CONTROL CIRCUIT FOR OPEN
• Inspect for continuity between generator terminal D (wiring harness-side) and PCM terminal 2AQ (wiring harness-side).
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace wiring harness for open circuit, then go to Step 10.
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9
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INSPECT GENERATOR OUTPUT VOLTAGE MONITOR CIRCUIT FOR OPEN CIRCUIT
• Inspect for continuity between generator terminal P (wiring harness-side) and PCM terminal 2AM (wiring harness-side).
• Is there continuity?
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Yes
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Repair or replace generator, then go to the next step.
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No
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Repair or replace wiring harness for open circuit, then go to the next step.
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10
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VERIFY TROUBLESHOOTING OF DTC P2503 COMPLETED
• Make sure to reconnect all connectors.
• Clear DTC from PCM memory using WDS or equivalent.
• Start the engine.
• Is the same DTC present?
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Yes
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Replace PCM, then go to the next step.
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No
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Go to the next step.
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11
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VERIFY AFTER REPAIR PROCEDURE
• Perform “After Repair Procedure”.
• Is there any DTC present?
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Yes
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Go to applicable DTC troubleshooting.
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No
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Troubleshooting completed.
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