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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 next step.
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No
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Record FREEZE FRAME DATA on repair order, then go to next step.
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2
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VERIFY RELATED SERVICE INFORMATION AVAILABILITY
• Check for 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 available Service Information.
• If vehicle is not repaired, go to next step.
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No
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Go to next step.
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3
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VERIFY RELATED PENDING CODE OR STORED DTC
• Verify the related PENDING CODE or stored DTCs.
• Are other DTCs present?
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Yes
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Go to appropriate DTC inspection.
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No
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Go to next step.
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4
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INSPECT RATIONALITY OPERATION BETWEEN TP AND MAF SENSORS
• Start the engine.
• Does the engine start?
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Yes
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Go to Step 6.
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No
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Go to next step.
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5
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INSPECT AIR SUCTIONING BETWEEN MAF SENSOR AND TP SENSOR
• Inspect for major leaks, cracks and openings between MAF sensor and throttle body.
• Is there any malfunction?
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Yes
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Repair or replace the malfunctioning part, then go to Step 8.
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No
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Go to next step.
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6
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INSPECT TP SENSOR
• Inspect the TP sensor.
• Is there any malfunction?
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Yes
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Replace the TP sensor, then go to Step 8.
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No
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Go to next step.
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7
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INSPECT MAF SENSOR
• Inspect the MAF sensor.
• Is there any malfunction?
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Yes
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Replace the MAF sensor, then go to Step 8.
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No
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Go to next step.
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8
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VERIFY TROUBLESHOOTING OF DTC P0068 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear DTC from memory using WDS or equivalent.
• Start engine.
• Perform "KOEO/KOER self-test"
• Is same DTC present?
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Yes
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Replace PCM, then go to next step.
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No
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Go to next step.
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9
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VERIFY AFTER SERVICE PROCEDURE
• Perform "AFTER SERVICE PROCEDURE".
• Is there any DTC present?
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Yes
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Go to applicable DTC inspection.
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No
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Troubleshooting completed.
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