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1
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RECORD VEHICLE STATUS AT TIME OF DTC DETECTION TO UTILIZE WITH REPEATABILITY VERIFICATION
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Note
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• Recording can be facilitated using the screen capture function of the PC.
• Record the snapshot data on the repair order.
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—
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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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VERIFY DTC FOR MODULE COMMUNICATION
• Switch the ignition off, then ON (engine off).
• Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure.
• Are any other PENDING CODEs and/or DTCs present?
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Yes
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Go to the applicable PENDING CODE or DTC inspection.
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No
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Go to the next step.
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4
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CONFIRM FRONT BODY CONTROL MODULE (FBCM) DTC
• Perform the front body control module (FBCM) DTC inspection using the M-MDS.
• 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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Go to the next step.
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5
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CONFIRM INSTRUMENT CLUSTER DTC
• Perform the instrument cluster DTC inspection using the M-MDS.
• Are any DTCs present?
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Yes
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DTC U0100:00 is displayed:
• CAN communication line can be considered the cause.
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― Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals:
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• Instrument cluster terminal B—Front body control module (FBCM) terminal 2P
• Instrument cluster terminal D—Front body control module (FBCM) terminal 2N
• Front body control module (FBCM) terminal 2K—PCM terminal 2C
• Front body control module (FBCM) terminal 2I—PCM terminal 2D
If there is a common connector:
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• Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a malfunction.
• Repair or replace the malfunctioning part.
If there is no common connector:
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• Repair or replace the wiring harness.
• Go to Step 8.
DTC other than U0100:00 is displayed:
• Go to the applicable DTC inspection.
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No
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Go to the next step.
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6
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INSPECT INSTRUMENT CLUSTER CONNECTOR CONDITION
• Switch the ignition off.
• Disconnect the instrument cluster connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Is there any malfunction?
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Yes
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Repair or replace the connector and/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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7
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INSPECT PCM CONNECTOR CONDITION
• Disconnect the PCM connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Is there any malfunction?
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Yes
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Repair or replace the connector and/or terminals, then go to the next step.
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No
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Repair or replace the following wiring harnesses.
• Instrument cluster terminal B—Front body control module (FBCM) terminal 2P
• Instrument cluster terminal D—Front body control module (FBCM) terminal 2N
• Front body control module (FBCM) terminal 2K—PCM terminal 2C
• Front body control module (FBCM) terminal 2I—PCM terminal 2D
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― If the malfunction recurs, replace the instrument cluster.
Go to the next step.
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8
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VERIFY DTC TROUBLESHOOTING COMPLETED
• Always reconnect all disconnected connectors.
• Clear the DTC from the PCM memory using the M-MDS.
• Perform the DTC Reading Procedure.
• Is the same DTC present?
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Yes
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Repeat the inspection from Step 1.
• If the malfunction recurs, replace the PCM.
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 AFTER REPAIR PROCEDURE
• Perform the “AFTER REPAIR PROCEDURE”.
• 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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