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1
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INSPECT AUXILIARY JACK/USB PORT/SD CARD SLOT HUB CONNECTOR CONDITION
• Switch the ignition off.
• Disconnect the negative battery cable.
• Disconnect the auxiliary jack/USB port/SD card slot hub connector.
• Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
• 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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Repair or replace the connector, then go to Step 6.
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2
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INSPECT CONNECTIVITY MASTER UNIT (CMU) CONNECTOR CONDITION
• Disconnect the connectivity master unit (CMU) connector.
• Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
• 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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Repair or replace the connector, then go to Step 6.
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3
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INSPECT AUXILIARY JACK/USB PORT/SD CARD SLOT HUB CIRCUIT FOR OPEN CIRCUIT
• Verify that the auxiliary jack/USB port/SD card slot hub connector and the connectivity master unit (CMU) connector are disconnected.
• Inspect the wiring harness for continuity between the following terminals (wiring harness-side).
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― Connectivity master unit (CMU) terminal 4B and auxiliary jack/USB port/SD card slot hub terminal 2B
― Connectivity master unit (CMU) terminal 4D and auxiliary jack/USB port/SD card slot hub terminal 2D
• 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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Refer to the wiring diagram and verify if there is a common connector between the following terminals.
• Connectivity master unit (CMU) terminal 4B and auxiliary jack/USB port/SD card slot hub terminal 2B
• Connectivity master unit (CMU) terminal 4D and auxiliary jack/USB port/SD card slot hub terminal 2D
If there is a common connector:
• Inspect the common connector and terminals for corrosion, damage, or disconnection and the common wiring harnesses for an open circuit to determine the malfunctioning location.
• Repair or replace the malfunctioning location.
If there is no common connector:
• Repair or replace the wiring harness which has an open circuit.
Go to Step 6.
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4
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PERFORM SOFTWARE RESET
• Always reconnect all disconnected connectors.
• Reconnect the negative battery cable.
• Perform diagnostic assist code “08” software reset.
• Clear the DTC for the connectivity master unit (CMU) using the M-MDS.
• Switch the ignition ON (engine off or on) and wait for 7 s or more.
• Perform the DTC inspection for the connectivity master unit (CMU) using the M-MDS.
• Is the same DTC displayed?
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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 7.
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5
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PERFORM DTC INSPECTION AND VERIFY IF MALFUNCTIONING LOCATION IS AUXILIARY JACK/USB PORT/SD CARD SLOT HUB
• Clear the DTC for the connectivity master unit (CMU) using the M-MDS.
• Switch the ignition ON (engine off or on) and wait for 7 s or more.
• Perform the DTC inspection for the connectivity master unit (CMU) using the M-MDS.
• Is the same DTC displayed?
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Yes
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Replace the auxiliary jack/USB port/SD card slot hub, then go to the next step.
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No
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Go to Step 7.
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6
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VERIFY THAT REPAIRS HAVE BEEN COMPLETED
• Always reconnect all disconnected connectors.
• Reconnect the negative battery cable.
• Clear the DTC for the connectivity master unit (CMU) using the M-MDS.
• Switch the ignition ON (engine off or on) and wait for 7 s or more.
• Perform the DTC inspection for the connectivity master unit (CMU) using the M-MDS.
• Is the same DTC displayed?
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Yes
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Repeat the inspection from Step 1.
• If the malfunction recurs, replace the connectivity master unit (CMU).
Go to the next step.
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No
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Go to the next step.
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7
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VERIFY IF OTHER DTCs DISPLAYED
• Are any other DTCs displayed?
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Yes
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Repair the malfunctioning location according to the applicable DTC troubleshooting.
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No
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DTC troubleshooting completed.
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