BLIND SPOT MONITORING (BSM) OFF INDICATOR LIGHT ILLUMINATES CONTINUOUSLY [BLIND SPOT MONITORING (BSM) SYSTEM]
id1503a3021100
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Item
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BLIND SPOT MONITORING (BSM) OFF INDICATOR LIGHT ILLUMINATES CONTINUOUSLY
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Description
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• The blind spot monitoring (BSM) OFF indicator light illuminates for 3 s or more without the blind spot monitoring (BSM) switch turning off after the ignition switch is turned to the ON position.
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Possible Causes
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• Blind spot monitoring (BSM) control module malfunction
• Connectivity master unit (CMU) malfunction
• Instrument cluster malfunction
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Diagnostic Procedure
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Step |
Inspection |
Result |
Action |
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1
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INSPECT IF MALFUNCTION IS IN BLIND SPOT MONITORING (BSM) SWITCH OR INSTRUMENT CLUSTER
• Monitor the blind spot monitoring (BSM) control module (RH) PID BSM_OFF_IL using the M-MDS.
• Turn the blind spot monitoring (BSM) switch on and off.
• Does the PID BSM_OFF_IL monitoring value turn on and off according to the blind spot monitoring (BSM) switch operation?
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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 CONNECTIVITY MASTER UNIT (CMU)
• Retrieve DTCs from connectivity master unit (CMU) 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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3
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INSPECT IF MALFUNCTION IS IN INSTRUMENT CLUSTER OR BLIND SPOT MONITORING (BSM) CONTROL MODULE
• Turn on the blind spot monitoring (BSM) OFF indicator light using the M-MDS instrument cluster active command modes WL+IL.
• Does the blind spot monitoring (BSM) OFF indicator light illuminate according to the active command modes?
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Yes
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Replace the blind spot monitoring (BSM) control module.
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No
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Replace the instrument cluster.
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