TRAFFIC SIGN IS DISPLAYED IN INSTRUMENT CLUSTER EVEN IF TRAFFIC SIGN RECOGNITION SYSTEM (TSR) IS TURNED OFF [TRAFFIC SIGN RECOGNITION SYSTEM (TSR)]

id1503b6091600

Description

• Traffic sign is displayed in the instrument cluster even if the traffic sign recognition system (TSR) is turned off.

Possible Cause

Note

• The detection performance of the forward sensing camera (FSC) has limitations and the traffic sign recognition system (TSR) may not operate normally. For the detection performance limitations, refer to the [FORWARD SENSING CAMERA (FSC)] in the technical guide.

• The forward sensing camera (FSC) operation record can be verified using the M-MDS.

• Connectivity master unit (CMU) malfunction

• Instrument cluster malfunction

Diagnostic Procedure

Step

Inspection

Action

1

VERIFY DTCs

•  Display the DTC for the connectivity master unit (CMU) using the M-MDS.
(See DTC INSPECTION [CONNECTIVITY MASTER UNIT].)

•  Is a DTC displayed?

Yes

Repair the malfunctioning location according to the applicable DTC troubleshooting.

(See DTC TABLE [CONNECTIVITY MASTER UNIT].)

No

Go to the next step.

2

INSPECT PHENOMENON DUE TO DETECTION PERFORMANCE LIMITATIONS

•  Refer to the new vehicle instruction and inspect the detection performance of the forward sensing camera (FSC).

•  Inspect the forward sensing camera (FSC) operation record using the M-MDS.

•  Are the applicable items for the detection performance displayed?

Yes

The vehicle is normal. (Explain to the customer that the lane-keep assist system may not operate due to the detection performance limitations of the forward sensing camera (FSC).)

Complete the symptom troubleshooting.

No

Go to the next step.

3

INSPECT INSTRUMENT CLUSTER

•  Inspect the instrument cluster.
(See INSTRUMENT CLUSTER INSPECTION.)

•  Is the instrument cluster normal?

Yes

Go to the next step.

No

Replace the instrument cluster, then go to the next step.

(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)

4

VERIFY MALFUNCTION SYMPTOM

•  Has the malfunction symptom been eliminated?

Yes

Complete the symptom troubleshooting. (Explain repair contents to customer).

No

Repeat the diagnosis from Step 1.

If the malfunction is not resolved, replace the forward sensing camera (FSC).

(See FORWARD SENSING CAMERA (FSC) REMOVAL/INSTALLATION.)

Step	Inspection		Action
1	VERIFY DTCs • Display the DTC for the connectivity master unit (CMU) using the M-MDS. (See DTC INSPECTION [CONNECTIVITY MASTER UNIT].) • Is a DTC displayed?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [CONNECTIVITY MASTER UNIT].)
1		No	Go to the next step.
2	INSPECT PHENOMENON DUE TO DETECTION PERFORMANCE LIMITATIONS • Refer to the new vehicle instruction and inspect the detection performance of the forward sensing camera (FSC). • Inspect the forward sensing camera (FSC) operation record using the M-MDS. • Are the applicable items for the detection performance displayed?	Yes	The vehicle is normal. (Explain to the customer that the lane-keep assist system may not operate due to the detection performance limitations of the forward sensing camera (FSC).) Complete the symptom troubleshooting.
2		No	Go to the next step.
3	INSPECT INSTRUMENT CLUSTER • Inspect the instrument cluster. (See INSTRUMENT CLUSTER INSPECTION.) • Is the instrument cluster normal?	Yes	Go to the next step.
3		No	Replace the instrument cluster, then go to the next step. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)
4	VERIFY MALFUNCTION SYMPTOM • Has the malfunction symptom been eliminated?	Yes	Complete the symptom troubleshooting. (Explain repair contents to customer).
4		No	Repeat the diagnosis from Step 1. If the malfunction is not resolved, replace the forward sensing camera (FSC). (See FORWARD SENSING CAMERA (FSC) REMOVAL/INSTALLATION.)