Diagnostic procedure

BSM WARNING LIGHT FLASHES WHILE NOT UNDER BSM WARNING LIGHT-FLASHING CONDITIONS (NO LIGHT SWITCH OPERATION (TURN SIGNAL SWITCH)) (BSM SYSTEM) DIAGNOSTIC PROCEDURE

Step	Inspection	Result	Action
1	VERIFY MALFUNCTION SYMPTOM Blind spot monitoring (BSM) warning light illuminates while under light-off conditions.	Yes	Go to the symptom troubleshooting procedure, "blind spot monitoring (BSM) warning light illuminates while not under blind spot monitoring (BSM) warning light-off conditions". (See BLIND SPOT MONITORING (BSM) WARNING LIGHT ILLUMINATES WHILE NOT UNDER LIGHT-ILLUMINATION CONDITIONS [BLIND SPOT MONITORING (BSM) SYSTEM] .)
1		No	Go to the next step.
2	INSPECT IF MALFUNCTION IS IN REAR BODY CONTROL MODULE (RBCM) INPUT SIGNAL OR BSM Monitor the following PIDs on the suspected side of the blind spot monitoring (BSM) control module using the M-MDS. (See PID/DATA MONITOR TABLE [BLIND SPOT MONITORING (BSM) CONTROL MODULE] .) TURN_SW_L TURN_SW_R Are the monitoring values normal?	Yes	Replace the blind spot monitoring (BSM) control module. (See BLIND SPOT MONITORING (BSM) CONTROL MODULE REMOVAL/INSTALLATION .)
2		No	Retrieve DTCs from the start stop unit, instrument cluster, and blind spot monitoring (BSM) control module using the M-MDS. (See DTC INSPECTION [START STOP UNIT] .) (See DTC INSPECTION [INSTRUMENT CLUSTER] .) (See DTC TABLE [BLIND SPOT MONITORING (BSM) CONTROL MODULE] .)