BSM WARNING ALARM DOES NOT SOUND WHILE BSM INDICATOR LIGHT FLASHES [BLIND SPOT MONITORING (BSM)]
id0903d9015800
Description
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BSM warning alarm does not sound while BSM indicator light flashes
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• The BSM control module recognizes that vehicle is in warning zone on side in which turn signal is operated, but BSM warning alarm does not sound despite BSM indicator light flashing.
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Possible Causes
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• Instrument cluster receives incorrect BSM warning alarm request signal
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Diagnostic Procedure
Step |
Inspection |
Result |
Action |
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1
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VERIFY MALFUNCTION SYMPTOM
• Verify the malfunction symptoms for each side.
• Is there a malfunction symptom on each side (BSM warning alarm sounds)?
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Yes
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Go to Step 3.
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No
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Go to the next step.
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2
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INSPECT BSM WARNING ALARM REQUEST SIGNAL
• Monitor the PID BUZZER on the suspected side of the BSM control module using the M-MDS while the BSM indicator light is flashing.
• Is the PID BUZZER on when the BSM indicator light is flashing?
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Yes
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Replace the applicable BSM control module.
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No
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Go to the next step.
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3
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DETERMINE IF MALFUNCTION CAUSE IS BLIND SPOT MONITORING (BSM) CONTROL MODULE OR INSTRUMENT CLUSTER
• Implement the instrument cluster simulation ALARM using the M-MDS, and activate the warning alarm.
• Is the warning alarm activated?
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Yes
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Replace the applicable BSM control module.
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No
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Replace the instrument cluster.
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