NO.9 BSM WARNING ALARM DOES NOT SOUND WHILE BSM INDICATOR LIGHT FLASHES [BLIND SPOT MONITORING (BSM) CONTROL MODULE CONNECTOR 8-PIN TYPE]
id0903n1991100
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9
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BSM warning alarm does not sound while BSM indicator light flashes
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DESCRIPTION
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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
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Step |
Inspection |
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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VERIFY DTCs
• Retrieve DTCs from the instrument cluster and BSM control module using the M-MDS.
• Are any DTCs displayed?
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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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4
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INSPECT BSM WARNING ALARM
• Turn the BSM warning alarm on using check code 14 of the instrument cluster input/output check mode function.
• Does the BSM warning alarm sound?
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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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