Diagnostic procedure
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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 FREEZE FRAME DATA on repair order, then go to the 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 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 CKP SENSOR VOLTAGE
• Disconnect the CKP sensor connector.
• Connect voltmeter between CKP sensor connector terminals A and B (sensor-side).
• Measure the voltage in AC range while cranking the engine.
• Is any voltage reading?
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Yes
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Go to the next step.
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No
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Go to step 10.
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4
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INSPECT CKP SENSOR
• Turn the ignition switch off.
• Perform CKP sensor inspection.
• Is the CKP sensor normal?
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Yes
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Inspect the CKP sensor pulse wheel for damage. Replace the CKP sensor pulse wheel and go to Step 11.
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No
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If tester reads 0 ohm, then go to the next step.
If tester reads infinity, then go to Step 7.
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5
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INSPECT CKP CIRCUIT FOR SHORT TO GROUND
• Disconnect the CKP sensor connector.
• Inspect for continuity between the following terminal and body ground:
• Is there continuity?
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Yes
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Repair or replace the wiring harness, 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 CIRCUITS FOR SHORTS
• Inspect for continuity between CKP sensor connector terminals A and B (wiring harness-side).
• Is there continuity?
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Yes
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Repair or replace the wiring harness, then go to Step 11.
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No
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Go to step 9.
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7
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INSPECT CKP SENSOR CONNECTOR FOR POOR CONNECTION
• Verify that the CKP sensor connector is connected securely.
• Is the connector normal?
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Yes
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Go to the next step.
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No
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Reconnect the connector, then go to Step 11.
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8
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INSPECT CKP CIRCUIT FOR OPEN CIRCUIT
• Disconnect the CKP sensor connector.
• Disconnect the PCM connector.
• Inspect for continuity between following circuits:
• 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, then go to Step 11.
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9
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INSPECT PCM CONNECTOR FOR POOR CONNECTION
• Turn the ignition switch off.
• Disconnect the PCM connector.
• 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 the terminal, then go to Step 14.
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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
• Perform CKP sensor inspection.
• Is the CKP sensor normal?
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Yes
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Inspect for poor connection (damaged, pulled-out terminals, corrosion, etc.) or bent terminal of CKP sensor connector.
• Repair if necessary, then go to Step 14.
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No
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Replace the CKP sensor, then go to Step 14.
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11
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VERIFY TROUBLESHOOTING OF DTC P0335 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Turn the ignition switch to the ON position (Engine off).
• Clear the DTC from the PCM memory using the WDS or equivalent.
• Start the engine.
• Access MAF PID using WDS or equivalent.
• 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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12
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VERIFY AFTER REPAIR PROCEDURE
• Perform "After Repair Procedure".
(See AFTER REPAIR PROCEDURE [AJ].)
• Is there any DTC 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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