Description

BSM OFF indicator light does not illuminate while BSM system is off

• BSM OFF indicator light does not illuminate even though BSM OFF switch turns off the system after the ignition is switched ON.

Possible Causes

• Malfunction in BSM OFF switch related parts

• BSM OFF switch malfunction (stuck at off)

• Instrument cluster does not illuminate BSM OFF indicator light

• BSM control module (LH) malfunction

• Instrument cluster malfunction

Step

Inspection

Result

Action

1

INSPECT IF MALFUNCTION IS IN BSM OFF SWITCH OR INSTRUMENT CLUSTER

• Monitor the BSM control module (LH) PID BSM_OFF_IL using the M-MDS.

  (See PID/DATA MONITOR INSPECTION [BLIND SPOT MONITORING (BSM)].)

• Turn the BSM OFF switch on and off.

• Does the PID BSM_OFF_IL monitoring value turn on and off according to the BSM OFF switch operation?

Yes

Go to Step 3.

No

Go to the next step.

2

INSPECT BSM OFF SWITCH

• Inspect the BSM OFF switch.

  (See BLIND SPOT MONITORING (BSM) OFF SWITCH INSPECTION.)

• Is the BSM OFF switch normal?

Yes

Go to the next step.

No

Replace the BSM OFF switch.

(See BLIND SPOT MONITORING (BSM) OFF SWITCH REMOVAL/INSTALLATION.)

3

INSPECT IF MALFUNCTION IS IN INSTRUMENT CLUSTER OR BSM CONTROL MODULE (LH)

• Turn on the BSM OFF indicator light using the M-MDS instrument cluster active command modes WL+IL.

  (See ACTIVE COMMAND MODES INSPECTION [INSTRUMENT CLUSTER].)

• Does the BSM OFF indicator light illuminate according to the active command modes?

Yes

Replace the BSM control module (LH).

(See BLIND SPOT MONITORING (BSM) CONTROL MODULE REMOVAL/INSTALLATION.)

No

Replace the instrument cluster.

(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)