Description

The BSM indicator light does not flash or illuminate continuously, but a turn signal is ON

• BSM warning alarm sounds but BSM indicator light does not flash

• BSM warning alarm is triggered on side opposite to the direction in which turn signal is operated

Possible Causes

• Instrument cluster receives incorrect BSM warning alarm request signal

• Communication error between BSM control module and instrument cluster

• Instrument cluster malfunction

Step

Inspection

Result

Action

1

INSPECT BSM WARNING ALARM

• Turn off the BSM using the M-MDS instrument cluster active command modes ALARM.

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

• Does the BSM turn off according to the active command models?

Yes

Go to the next step.

No

Replace the instrument cluster.

(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)

2

VERIFY DTCs

• Retrieve DTCs from the BSM control module and instrument cluster using the M-MDS.

  (See DTC INSPECTION [INSTRUMENT CLUSTER].)

  (See DTC INSPECTION [BLIND SPOT MONITORING (BSM)].)

• Are any DTCs displayed?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [INSTRUMENT CLUSTER].)

(See DTC TABLE [BLIND SPOT MONITORING (BSM)].)

No

Go to the next step.

3

VERIFY BSM INDICATOR LIGHT CONDITION

• Verify the BSM indicator light illumination condition while under the BSM indicator light-illumination conditions (vehicle speed above 32 km/h {20 mph} or more, turn signals off, and vehicle in warning zone).

• Does the BSM indicator light illuminate normally?

Yes

Replace the BSM control module.

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

No

Go to the symptom troubleshooting procedure, ”BSM indicator light does not illuminate while under BSM indicator light-illumination conditions”.

(See BSM INDICATOR LIGHT DOES NOT ILLUMINATE WHILE UNDER BSM INDICATOR LIGHT-ILLUMINATION CONDITIONS [BLIND SPOT MONITORING (BSM)].)