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1
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INSPECT COIL ANTENNA CONNECTOR AND TERMINALS
• Switch the ignition to off.
• Disconnect the negative battery cable.
• Disconnect the coil antenna connector.
• Inspect the connector and terminals (corrosion, damage, pin disconnection).
• Is there any malfunction?
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Yes
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Repair or replace the connector or terminals, then go to Step 8.
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No
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Go to the next step.
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2
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INSPECT COIL ANTENNA POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT OR SHORT TO GROUND
• Coil antenna connector is disconnected.
• Reconnect the negative battery cable.
• Switch the ignition to ON (engine off).
• Measure the voltage at the following terminal (wiring harness-side):
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― Coil antenna terminal D
• Is the voltage 8 V or more?
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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 METER 15 A fuse.
• If the fuse is melt:
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― Repair or replace the wiring harness for a possible short to ground.
― Replace the fuse.
• If the fuse is deterioration:
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― Replace the fuse.
• If the fuse is normal:
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― Repair or replace the wiring harness for a possible open circuit.
Go to Step 8.
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3
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INSPECT COIL ANTENNA GROUND CIRCUIT FOR OPEN CIRCUIT
• Coil antenna connector is disconnected.
• Switch the ignition to off.
• Disconnect the negative battery cable.
• Inspect for continuity between the following terminal (wiring harness-side) and body ground:
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― Coil antenna terminal C
• 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 for a possible open circuit, then go to Step 8.
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4
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INSPECT INSTRUMENT CLUSTER CONNECTOR AND TERMINALS
• Disconnect the instrument cluster connector.
• Inspect the connector and terminals (corrosion, damage, pin disconnection).
• Is there any malfunction?
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Yes
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Repair or replace the connector or terminals, then go to Step 8.
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No
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Go to the next step.
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5
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INSPECT COIL ANTENNA COMMUNICATION CIRCUIT FOR SHORT TO GROUND
• Coil antenna and instrument cluster connectors are disconnected.
• Inspect for continuity between the following terminals (wiring harness-side) and body ground:
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― Coil antenna terminal B
― Coil antenna terminal A
• Is there continuity?
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Yes
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Repair or replace the wiring harness for a possible short to ground, then go to Step 8.
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No
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Go to the next step.
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6
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INSPECT COIL ANTENNA COMMUNICATION CIRCUIT FOR OPEN CIRCUIT
• Coil antenna and instrument cluster connectors are disconnected.
• Inspect for continuity between the following terminals (wiring harness-side):
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― Coil antenna terminal B—Instrument cluster terminal 2M
― Coil antenna terminal A—Instrument cluster terminal 2Q
• 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 for a possible open circuit, then go to Step 8.
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7
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VERIFY COIL ANTENNA MALFUNCTION
• Make sure to reconnect the disconnected connectors.
• Reconnect the negative battery cable.
• Clear the DTC from the instrument cluster and PCM using the M-MDS.
• Perform the immobilizer system DTC inspection using the M-MDS.
• Is the same DTC present?
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Yes
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Replace the coil antenna, then go to the next step.
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No
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Go to Step 9.
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8
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VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect the disconnected connectors.
• Reconnect the negative battery cable.
• Clear the DTC from the instrument cluster and PCM using the M-MDS.
• Perform the immobilizer system DTC inspection using the M-MDS.
• Is the same DTC present?
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Yes
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Replace the instrument cluster, then go to the next step.
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No
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Go to the next step.
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9
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VERIFY THAT NO OTHER DTCs ARE PRESENT
• 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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