Description

Turn light (RH) circuit malfunction

Detection condition

• Front body control module (FBCM) detects a short to ground in the turn light (RH) circuit with the ignition switched ON (engine off or on).

Fail-safe function

Not applicable

Possible cause

• Front body control module (FBCM) connector or terminal malfunction

• Parking/front side marker/front turn light bulb (RH) malfunction (Without discharge headlight system)

• Front side marker/front turn light bulb (RH) malfunction (With discharge headlight system)

• Front combination light (RH) connector or terminal malfunction

• Short to ground in wiring harness between the following terminals:

• Front combination light (RH) terminal D—Front body control module (FBCM) terminal 1G (Without discharge headlight system)

• Front combination light (RH) terminal E—Front body control module (FBCM) terminal 1G (With discharge headlight system)

• Power outer mirror (RH) connector or terminal malfunction

• Side turn light (RH) malfunction

• Short to ground in wiring harness between power outer mirror (RH) terminal E and front body control module (FBCM) terminal 1F

• Rear turn light bulb (RH) malfunction

• Rear turn light (RH) connector or terminal malfunction

• Short to ground in wiring harness between rear turn light (RH) terminal A and front body control module (FBCM) terminal 1E

• Front body control module (FBCM) malfunction

Step

Inspection

Action

1

• Clear the DTC for the front body control module (FBCM) using the M-MDS.

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

• Operate the turn switch to the RH position.

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

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

• Is the same DTC displayed?

Yes

Go to the next step.

No

Go to Step 17.

2

• Operate the turn switch to the RH position.

• Are there any lights among the following which do not flash?

• Front turn light (RH)

• Side turn light (RH)

• Rear turn light (RH)

Yes

All lights do not flash:

• Go to the next step.

Front turn light (RH) do not flash:

• Go to Step 4.

Side turn light (RH) do not flash:

• Go to Step 8.

Rear turn light (RH) do not flash:

• Go to Step 12.

No

Go to Step 16.

3

• Switch the ignition off.

• Disconnect the negative battery cable.

  (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.5].)

• Disconnect the front body control module (FBCM) connector.

• Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.

• Is the connector normal?

Yes

Go to Step 16.

No

Repair or replace the connector, then go to Step 16.

4

• Inspect the following bulb.

• Parking/front side marker/front turn light bulb (RH) (Without discharge headlight system)

• Front side marker/front turn light bulb (RH) (With discharge headlight system)

• Is the bulb normal?

Yes

Go to the next step.

No

Replace the bulb, then go to Step 16.

(See PARKING/FRONT SIDE MARKER/FRONT TURN LIGHT BULB REMOVAL/INSTALLATION [WITHOUT DISCHARGE HEADLIGHT SYSTEM].)

(See FRONT SIDE MARKER/FRONT TURN LIGHT BULB REMOVAL/INSTALLATION [WITH DISCHARGE HEADLIGHT SYSTEM].)

5

• Switch the ignition off.

• Disconnect the negative battery cable.

  (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.5].)

• Disconnect the front combination light (RH) connector.

• Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.

• Is the connector normal?

Yes

Go to the next step.

No

Repair or replace the connector, then go to Step 16.

6

• Disconnect the front body control module (FBCM) connector.

• Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.

• Is the connector normal?

Yes

Go to the next step.

No

Repair or replace the connector, then go to Step 16.

7

• Verify that the front combination light (RH) and front body control module (FBCM) connectors are disconnected.

• Inspect for continuity between front body control module (FBCM) terminal 1G (wiring harness-side) and body ground.

• Is there continuity?

Yes

Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals:

• Front combination light (RH) terminal D—Front body control module (FBCM) terminal 1G (Without discharge headlight system)

• Front combination light (RH) terminal E—Front body control module (FBCM) terminal 1G (With discharge headlight system)

If there is a common connector:

• Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground.

• Repair or replace the malfunctioning part.

If there is no common connector:

• Repair or replace the wiring harness which has a short to ground.

Go to Step 16.

No

Go to Step 16.

8

• Switch the ignition off.

• Disconnect the negative battery cable.

  (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.5].)

• Disconnect the power outer mirror (RH) connector.

• Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.

• Is the connector normal?

Yes

Go to the next step.

No

Repair or replace the connector, then go to Step 16.

9

• Inspect the side turn light (RH).

  (See SIDE TURN LIGHT INSPECTION.)

• Is the side turn light (RH) normal?

Yes

Go to the next step.

No

Replace the power outer mirror (RH), then go to Step 16.

(See POWER OUTER MIRROR REMOVAL/INSTALLATION.)

(See SIDE TURN LIGHT REMOVAL/INSTALLATION.)

10

• Disconnect the front body control module (FBCM) connector.

• Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.

• Is the connector normal?

Yes

Go to the next step.

No

Repair or replace the connector, then go to Step 16.

11

• Verify that the power outer mirror (RH) and front body control module (FBCM) connectors are disconnected.

• Inspect for continuity between front body control module (FBCM) terminal 1F (wiring harness-side) and body ground.

• Is there continuity?

Yes

Refer to the wiring diagram and verify whether or not there is a common connector between power outer mirror (RH) terminal E and front body control module (FBCM) terminal 1F.

If there is a common connector:

• Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground.

• Repair or replace the malfunctioning part.

If there is no common connector:

• Repair or replace the wiring harness which has a short to ground.

Go to Step 16.

No

Go to Step 16.

12

• Inspect the rear turn light bulb (RH).

• Is the rear turn light bulb (RH) normal?

Yes

Go to the next step.

No

Replace the rear turn light bulb (RH), then go to Step 16.

(See REAR TURN LIGHT BULB REMOVAL/INSTALLATION.)

13

• Switch the ignition off.

• Disconnect the negative battery cable.

  (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.5].)

• Disconnect the rear turn light (RH) connector.

• Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.

• Is the connector normal?

Yes

Go to the next step.

No

Repair or replace the connector, then go to Step 16.

14

• Disconnect the front body control module (FBCM) connector.

• Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.

• Is the connector normal?

Yes

Go to the next step.

No

Repair or replace the connector, then go to Step 16.

15

• Verify that the rear turn light (RH) and front body control module (FBCM) connectors are disconnected.

• Inspect for continuity between front body control module (FBCM) terminal 1E (wiring harness-side) and body ground.

• Is there continuity?

Yes

Refer to the wiring diagram and verify whether or not there is a common connector between rear turn light (RH) terminal A and front body control module (FBCM) terminal 1E.

If there is a common connector:

• Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground.

• Repair or replace the malfunctioning part.

If there is no common connector:

• Repair or replace the wiring harness which has a short to ground.

Go to the next step.

No

Go to the next step.

16

• Always reconnect all disconnected connectors.

• Reconnect the negative battery cable.

  (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.5].)

• Clear the DTC for the front body control module (FBCM) using the M-MDS.

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

• Operate the turn switch to the RH position.

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

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

• Is the same DTC displayed?

Yes

Repeat the inspection from Step 1.

• If the malfunction recurs, replace the front body control module (FBCM).

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

Go to the next step.

No

Go to the next step.

17

• Are any other DTCs displayed?

Yes

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

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

No

DTC troubleshooting completed.