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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 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 SERVICE INFORMATION AVAILABILITY
• Verify related service information availability.
• Is any related service 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 M-MDS to the DLC-2.
• Clear the DTC from the PCM memory using the M-MDS.
• Run the vehicle under the FREEZE FRAME DATA stored condition.
• 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 CONCERNS TROUBLESHOOTING”.
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4
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INSPECT CMP SENSOR CONNECTOR FOR POOR CONNECTION
• Turn the engine switch off.
• Disconnect the CMP 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 terminal, then go to Step 11.
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No
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Go to the next step.
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5
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INSPECT APP SENSOR CONNECTOR FOR POOR CONNECTION
• Turn the engine switch off.
• 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 terminal, 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 CMP SENSOR POWER CIRCUIT FOR SHORT TO POWER SUPPLY
• Turn the engine switch to the ON position (Engine off).
• Measure the voltage between the CMP sensor terminal C (wiring harness-side) the and body ground.
• Is the voltage higher than 5.1 V?
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Yes
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Repair or replace the wiring harness for a possible short to power supply, then 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 APP SENSOR POWER CIRCUIT FOR SHORT TO POWER SUPPLY
• Turn the engine switch to the ON position (Engine off).
• Measure the voltage between the APP sensor terminal A (wiring harness-side) the and body ground.
• Is the voltage higher than 5.1 V?
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Yes
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Repair or replace the wiring harness for a possible short to power supply, then 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 CMP SENSOR
• Inspect the CMP sensor.
• Is there any malfunction?
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Yes
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Replace the CMP sensor, then 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 APP SENSOR
• Inspect the APP sensor.
• Is there any malfunction?
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Yes
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Replace the APP sensor, then 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 PCM CONNECTOR FOR POOR CONNECTION
• Turn the engine switch off.
• Disconnect the PCM 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 terminal, 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 TROUBLESHOOTING OF DTC P0653 COMPLETED
• Turn the engine switch off.
• Make sure to reconnect all disconnected connectors.
• Turn the engine switch to the ON position (Engine off).
• Clear the DTC from the memory using the M-MDS.
• Run the vehicle under the FREEZE FRAME DATA stored condition.
• 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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12
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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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DTC troubleshooting completed.
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