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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 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 Service 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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VERIFY CURRENT SIGNAL STATUS: IS CONCERN INTERMITTENT OR CONSTANT?
• Connect the WDS or equivalent to the DLC-2.
• Clear the DTC from the PCM memory using the WDS or equivalent.
• Start the engine.
• Is the same DTC present?
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Yes
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Go to the next step.
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No
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Intermittent concern exists.
Perform the "INTERMITTENT CONCERN TROUBLESHOOTING".
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4
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INSPECT CKP SENSOR AIR GAP
• Measure the CKP sensor air gap.
• Is the CKP sensor air gap normal?
Specification
1.5-2.5 mm {0.059-0.098 in}
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Yes
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Go to the next step.
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No
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Replace the CKP sensor, then go to Step 11.
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5
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INSPECT CKP SENSOR PULSAR
• Inspect the CKP sensor pulsar for damage and/or cracks.
• Is there any malfunction?
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Yes
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Replace the CKP sensor pulsar, then go to Step 11.
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No
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Go to the next step.
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6
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INSPECT CKP SENSOR CONNECTOR FOR POOR CONNECTION
• Turn the engine switch off.
• Inspect for poor connection (such as damaged/pulled-out terminals, corrosion).
• Is there any malfunction?
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Yes
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Repair or replace the suspected terminal, go to Step 11.
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No
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Go to the next step.
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7
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INSPECT CKP SENSOR FOR SHORT TO GND
• Turn the engine switch off.
• Inspect for continuity between the following terminals and body GND:
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- CKP sensor terminal B and body GND
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- CKP sensor terminal A and body GND
• Is there continuity?
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Yes
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Repair or replace the wiring harness for a short to GND, go to Step 11.
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No
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Go to the next step.
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8
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INSPECT CKP SENSOR
• Inspect the CKP sensor.
• Is there any malfunction?
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Yes
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Replace the CKP sensor, go to Step 11.
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No
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Go to the next step.
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9
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INSPECT PCM CONNECTOR FOR POOR CONNECTION
• Turn the engine switch off.
• Inspect for poor connection (such as damaged/pulled-out terminals, corrosion).
• Is there any malfunction?
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Yes
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Repair or replace the suspected terminal, go to Step 11.
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No
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Go to the next step.
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10
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INSPECT CKP SENSOR FOR OPEN CIRCUIT
• Turn the engine switch off.
• Inspect for continuity between the following terminals:
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- CKP sensor terminal B and PCM terminal 3
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- CKP sensor terminal A and PCM terminal 29
• 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 the wiring harness for an open circuit, go to the next step.
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11
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VERIFY TROUBLESHOOTING OF DTC P0337 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the PCM memory using the WDS or equivalent.
• Start the engine and idle it.
• Is the same DTC present?
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Yes
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Replace the PCM, go to the next step.
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No
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Go to the next step.
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12
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VERIFY AFTER REPAIR PROCEDURE
• Perform the Repair Verification Drive Mode.
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
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No
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Troubleshooting completed.
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