BSM WARNING ALARM DOES NOT SOUND WHILE BSM INDICATOR LIGHT FLASHES [BLIND SPOT MONITORING (BSM)]

id0903d9015800

Description
BSM warning alarm does not sound while BSM indicator light flashes
•  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.
Possible Causes
Note
•  The detection performance of the blind spot monitoring (BSM) control module has limitations and the blind spot monitoring (BSM) system may not operate normally. For the detection performance limitations, refer to the [BLIND SPOT MONITORING (BSM) CONTROL MODULE] in the technical guide.
•  Instrument cluster receives incorrect BSM warning alarm request signal
―  Instrument cluster malfunction
―  BSM control module malfunction

Diagnostic Procedure

Step

Inspection

Result

Action
1
INSPECT BSM WARNING ALARM
•  Turn off the BSM using the M-MDS instrument cluster active command modes ALARM.
•  Does the BSM turn off according to the active command models?
Yes
Replace the applicable BSM control module.
(See BLIND SPOT MONITORING (BSM) CONTROL MODULE REMOVAL/INSTALLATION.)
No
Replace the instrument cluster.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)