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 PID 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 PID DATA on 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 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 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 INPUT SIGNAL STATUS-IS CONCERN INTERMITTENT OR CONSTANT
• Connect WDS or equivalent to DLC-2.
• Start engine.
• Access VSS PID using the WDS or equivalent.
• Are PID readings within specification?
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Yes
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Go to intermittent concern troubleshooting procedure.
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No
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Go to the next step.
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4
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CHECK INPUT/OUTPUT CHECK MODE
• Turn the ignition switch to the ON position (Engine off).
• Is instrument cluster DTCs 10 or 12 detected?
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Yes
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DTC 10 and/or 12 displayed: Inspect instrument cluster.
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No
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Go to the next step.
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5
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INSPECT PCM CONNECTOR FOR POOR CONNECTION
• Turn the ignition switch off.
• Disconnect PCM connector.
• Check for poor connection (damaged/pulled-out terminals, corrosion, etc.).
• Are terminals normal?
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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 pin or connector, then go to Step 10.
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6
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INSPECT INSTRUMENT CLUSTER CONNECTOR FOR POOR CONNECTION
• Turn the ignition switch off.
• Disconnect instrument cluster connector.
• Check for poor connections (damaged/pulled-out terminals, corrosion, etc.).
• Are terminals normal?
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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 terminals, then go to Step 10.
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7
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INSPECT VOLTAGE
• Connect PCM connector.
• Turn the ignition switch to the ON position (Engine off).
• Measure voltage at instrument cluster terminal 2O (harness-side).
• Is there 5 V at instrument cluster terminal 2O (harness-side)?
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Yes
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Replace instrument cluster, then go to Step 10.
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No
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Go to the next step.
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8
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INSPECT INSTRUMENT CLUSTER CIRCUIT FOR OPEN CIRCUIT
• Turn the ignition switch off.
• Connect the PCM connector.
• Turn the ignition switch to the ON position (Engine off).
• Check for continuity between instrument cluster terminal 2O (harness-side) and PCM terminal 79.
• 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 harness, then go to Step 10.
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9
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INSPECT INSTRUMENT CLUSTER CIRCUIT FOR SHORT TO GROUND
• Check for continuity between instrument cluster terminal 2O (harness-side) and body ground.
• Is there continuity?
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Yes
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Repair or replace harness, then go to the next step.
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No
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Replace instrument cluster, then go to the next step.
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10
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VERIFY TROUBLESHOOTING OF DTC P0500 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the memory using the WDS or equivalent.
• Warm up engine.
• Drive vehicle under following conditions for 16 s.
• Is PENDING CODE for this 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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11
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VERIFY AFTER REPAIR PROCEDURE
• Perform the "After Repair Procedure".
(See AFTER REPAIR PROCEDURE [AJ].)
• 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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