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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 the 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 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
• Check for related Service Bulletins and/or on-line repair information availability.
• Is any related repair information available?
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Yes
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Perform the 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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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 INTAKE SHUTTER VALVE POSITION SENSOR CONNECTOR FOR POOR CONNECTION
• Disconnect the APP sensor connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Is there any malfunction?
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Yes
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Repair or replace the suspected terminal, 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 INTAKE SHUTTER VALVE POSITION SENSOR
• Perform the intake shutter valve position sensor inspection.
• Is the intake shutter valve position sensor 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 the intake shutter valve, then go to Step 10.
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6
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INSPECT INTAKE SHUTTER VALVE POSITION SENSOR SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY SIGNAL
• Turn engine switch to the ON position (Engine off).
• Measure the voltage between intake shutter valve position sensor terminal F (harness-side) and body ground.
• Is the voltage more than 4.82 V?
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Yes
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Repair or replace for a short to power supply. 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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VERIFY INTAKE SHUTTER VALVE POSITION SENSOR GROUND CIRCUIT FOR OPEN CIRCUIT
• Disconnect the PCM connector.
• Inspect for continuity between following the terminal:
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- Intake shutter valve position sensor terminal C (harness-side) and PCM terminal 70 (harness-side).
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- Intake shutter valve position sensor terminal F (harness-side) and PCM terminal 86 (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 the suspected wiring harness, then go to the next step.
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8
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INSPECT PCM CONNECTOR FOR POOR CONNECTION
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Is there any malfunction?
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Yes
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Repair the terminal, then go to Step 10.
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No
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Go to the next step.
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9
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VERIFY INTAKE SHUTTER VALVE POSITION SENSOR CIRCUIT FOR SHORT TO CONSTANT VOLTAGE CIRCUIT
• Inspect for continuity between intake shutter valve position sensor terminals E and F (harness-side).
• Is there continuity?
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Yes
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Repair or replace the suspected wiring harness, then go to the next step.
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No
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Go to the next step.
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10
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VERIFY TROUBLESHOOTING OF DTC P2622 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Turn engine switch to the ON position (Engine off).
• Clear the DTC from the PCM memory using the WDS or equivalent.
• Start the engine and warm it up completely.
• Is the same DTC present?
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Yes
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Replace the 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 the "After Repair Procedure".
• 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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