DTC B1A89:42 [CONNECTIVITY MASTER UNIT]
id0902n7106000
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Description |
Tuner and amp unit internal malfunction |
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Detection condition
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• The connectivity master unit detects an DAB module malfunction in the tuner and amp unit 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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• Tuner and amp unit 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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PERFORM DTC INSPECTION AND VERIFY IF TUNER AND AMP UNIT IS MALFUNCTIONING PART
• Clear the DTC for the connectivity master unit 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 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 tuner and amp unit.
Go to the next step.
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No
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Go to the next step.
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2
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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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