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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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INSPECT SELECTOR LEVER CONNECTOR FOR POOR CONNECTION
• Turn the ignition switch to the LOCK position.
• Inspect selector lever connector connection.
• Disconnect the selector lever connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Is the connection 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 the connector and/or terminals, then go to Step 10.
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4
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INSPECT POWER SUPPLY CIRCUIT
• Turn the ignition switch to the ON position (engine off).
• Inspect voltage at O/D OFF switch terminal A (wiring harness-side).
• Is the voltage approx. 12 V?
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Yes
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Go to the next step.
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No
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Inspect the ignition switch and wiring harness, then go to Step 10.
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5
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INSPECT O/D OFF SWITCH
• Turn the ignition switch to the LOCK position.
• Inspect the O/D OFF switch.
• Is O/D OFF switch 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 selector lever, then go to Step 10.
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6
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INSPECT PCM CONNECTOR FOR POOR CONNECTION
• Disconnect the PCM connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Is the connection 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 connector and/or terminals, then go to Step 10.
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7
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INSPECT O/D OFF SWITCH CIRCUIT FOR OPEN CIRCUIT
• Inspect for continuity between PCM terminal 29 (wiring harness-side) and O/D OFF switch terminal B (wiring harness-side).
• Is there continuity between terminals?
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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 10.
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8
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INSPECT O/D OFF SWITCH CIRCUIT FOR SHORT TO GROUND
• Turn the ignition switch to the LOCK position.
• Inspect continuity between O/D OFF switch terminal B (wiring harness-side) and body ground.
• Is there continuity?
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Yes
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Repair or replace the wiring harness, then go to the 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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INSPECT O/D OFF SWITCH CIRCUIT FOR SHORT TO POWER SUPPLY
• Turn the ignition switch to the ON position (engine off).
• Inspect voltage at O/D OFF switch terminal B (wiring harness-side).
• Is the voltage 0 V?
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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 the next step.
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10
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VERIFY TROUBLESHOOTING OF DTC P1780 COMPLETED
• Make sure to reconnect all the disconnected connectors.
• Clear the DTC from memory using the M-MDS.
• Perform the “After Repair Procedure”.
• Are any DTCs 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 DTCS
• Are except DTC P1780 output?
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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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