DTC U2300:54 [CONNECTIVITY MASTER UNIT]
id0902n7106500
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Description |
Configuration data not received from instrument cluster |
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Detection condition
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• The connectivity master unit (CMU) cannot receive the configuration data from the instrument cluster for 30 s or more with the ignition switched ON (engine off or on).
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Fail-safe
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Not applicable
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Possible cause
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• DTCs are stored in the instrument cluster.
• Instrument cluster configuration data error
• Connectivity master unit (CMU) 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 INSTRUMENT CLUSTER DTCs
• Retrieve the instrument cluster 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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RESET INSTRUMENT CLUSTER CONFIGURATION DATA
• Using the M-MDS, perform the instrument cluster configuration with the As-Built data.
• Clear the DTC for the connectivity master unit (CMU) using the M-MDS.
• Switch the ignition ON (engine off or on) and wait for 37 s or more.
• Retrieve the connectivity master unit (CMU) DTCs using the M-MDS.
• Is the same DTC displayed?
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Yes
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Using the M-MDS, re-perform the instrument cluster configuration using the As-Built data, 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 connectivity master unit (CMU) using the M-MDS.
• Switch the ignition ON (engine off or on) and wait for 37 s or more.
• Retrieve the connectivity master unit (CMU) DTCs using the M-MDS.
• Is the same DTC displayed?
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Yes
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Replace the connectivity master unit (CMU), then 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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