DTC U0422:68 [INSTRUMENT CLUSTER]
id0902e8950800
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Description |
Error signal received from front body control module (FBCM) |
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Detection condition
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• Instrument cluster receives the error signals from the front body control module (FBCM) for 5 s or more with the ignition switched ON (engine off or on).
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Fail-safe function
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Not applicable
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Possible cause
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• DTCs are stored in the front body control module (FBCM).
• Front body control module (FBCM) malfunction
• Instrument cluster malfunction
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System wiring diagram
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Not applicable
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Diagnostic Procedure
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Step |
Inspection |
Action |
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1
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VERIFY FRONT BODY CONTROL MODULE (FBCM) DTCs
• Retrieve the front body control module (FBCM) DTCs using the M-MDS.
• Are any DTCs displayed?
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Yes
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Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
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No
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Go to the next step.
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2
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PERFORM DTC INSPECTION AND VERIFY FRONT BODY CONTROL MODULE (FBCM) MALFUNCTION
• Clear the DTC for the instrument cluster using the M-MDS.
• Switch the ignition ON (engine off or on) and wait for 20 s or more.
• Retrieve the instrument cluster DTCs using the M-MDS.
• Is the same DTC displayed?
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Yes
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Replace the front body control module (FBCM), then go to the next step.
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No
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Go to Step 4.
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3
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VERIFY THAT REPAIRS HAVE BEEN COMPLETED
• Clear the DTC for the instrument cluster using the M-MDS.
• Switch the ignition ON (engine off or on) and wait for 20 s or more.
• Retrieve the instrument cluster DTCs 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 instrument cluster.
Go to the next step.
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No
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Go to the next step.
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4
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VERIFY IF OTHER DTCs DISPLAYED
• Are any other DTCs displayed?
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Yes
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Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
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No
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DTC troubleshooting completed.
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