Description

Error signal received from front body control module (FBCM)

Detection condition

• Instrument cluster receives the error signals from the front body control module (FBCM) for 5 s or more with the ignition switched ON (engine off or on).

Fail-safe function

Not applicable

Possible cause

• DTCs are stored in the front body control module (FBCM).

• Front body control module (FBCM) malfunction

• Instrument cluster malfunction

System wiring diagram

Not applicable

Step

Inspection

Action

1

• Retrieve the front body control module (FBCM) DTCs using the M-MDS.

  (See DTC INSPECTION [FRONT BODY CONTROL MODULE (FBCM)].)

• Are any DTCs displayed?

Yes

Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.

(See DTC TABLE [FRONT BODY CONTROL MODULE (FBCM)].)

No

Go to the next step.

2

• Clear the DTC for the instrument cluster using the M-MDS.

  (See CLEARING DTC [INSTRUMENT CLUSTER].)

• Switch the ignition ON (engine off or on) and wait for 20 s or more.

• Retrieve the instrument cluster DTCs using the M-MDS.

  (See DTC INSPECTION [INSTRUMENT CLUSTER].)

• Is the same DTC displayed?

Yes

Replace the front body control module (FBCM), then go to the next step.

(See FRONT BODY CONTROL MODULE (FBCM) REMOVAL/INSTALLATION.)

No

Go to Step 4.

3

• Clear the DTC for the instrument cluster using the M-MDS.

  (See CLEARING DTC [INSTRUMENT CLUSTER].)

• Switch the ignition ON (engine off or on) and wait for 20 s or more.

• Retrieve the instrument cluster DTCs using the M-MDS.

  (See DTC INSPECTION [INSTRUMENT CLUSTER].)

• Is the same DTC displayed?

Yes

Repeat the inspection from Step 1.

• If the malfunction recurs, replace the instrument cluster.

  (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)

Go to the next step.

No

Go to the next step.

4

• Are any other DTCs displayed?

Yes

Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.

(See DTC TABLE [INSTRUMENT CLUSTER].)

No

DTC troubleshooting completed.