DTC B1D06:15 [BCM]

id0902f5389300

Description

• Turn light (LH) circuit malfunction

Detection Condition

• Open circuit or short to power supply in wiring harness between turn light (LH) and BCM.

Possible Causes

• Front combination light (LH) connector or terminals malfunction

• Open circuit in wiring harness between front combination light (LH) terminal G and body ground

• Front turn light (LH) malfunction

• Front side turn light (LH) connector or terminals malfunction

• Open circuit in wiring harness between front side turn light (LH) terminal B and body ground

• Front side turn light (LH) malfunction

• Rear combination light (LH) connector or terminals malfunction

• Open circuit in wiring harness between rear combination light (LH) terminal F and body ground

• Rear turn light (LH) malfunction

• BCM connector or terminals malfunction

• Short to power supply in wiring harness between the following terminals:

― Front combination light (LH) terminal C―BCM terminal 1L

― Front side turn light (LH) terminal A―BCM terminal 1L

― Rear combination light (LH) terminal A―BCM terminal 3L

• Open circuit in wiring harness between the following terminals:

― Front combination light (LH) terminal C―BCM terminal 1L

― Front side turn light (LH) terminal A―BCM terminal 1L

― Rear combination light (LH) terminal A―BCM terminal 3L

• BCM malfunction

System Wiring Diagram

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Diagnostic Procedure

Step

Inspection

Action

1

VERIFY BCM DTCs

•  Clear the DTCs using the M-MDS.
(See CLEARING DTC [BCM].)

•  Perform the BCM DTC inspection using the M-MDS.
(See DTC INSPECTION [BCM].)

•  Is the same DTC present?

Yes

Go to the next step.

No

Go to Step 15.

2

INSPECT FRONT COMBINATION LIGHT (LH) CONNECTOR AND TERMINALS

•  Turn the ignition switch to the LOCK position.

•  Disconnect the negative battery cable.

•  Disconnect the front combination light (LH) connector.

•  Inspect the connector and terminals (corrosion, damage, pin disconnection).

•  Is there any malfunction?

Yes

Repair or replace the connector or terminals, then go to Step 14.

No

Go to the next step.

3

INSPECT FRONT TURN LIGHT (LH) GROUND CIRCUIT FOR OPEN CIRCUIT

•  Verify that the front combination light (LH) connector is disconnected.

•  Inspect for continuity between front combination light (LH) terminal G (wiring harness-side) and body ground.

•  Is there continuity?

Yes

Go to the next step.

No

Repair or replace the wiring harness for a possible open circuit, then go to Step 14.

4

INSPECT FRONT TURN LIGHT BULB (LH)

•  Inspect the front turn light bulb (LH).

•  Is there any malfunction?

Yes

Replace the front turn light bulb (LH), then go to Step 14.

(See FRONT TURN LIGHT BULB REMOVAL/INSTALLATION.)

No

Go to the next step.

5

INSPECT FRONT SIDE TURN LIGHT (LH) CONNECTOR AND TERMINALS

•  Disconnect the front side turn light (LH) connector.

•  Inspect the connector and terminals (corrosion, damage, pin disconnection).

•  Is there any malfunction?

Yes

Repair or replace the connector or terminals, then go to Step 14.

No

Go to the next step.

6

INSPECT FRONT SIDE TURN LIGHT (LH) GROUND CIRCUIT FOR OPEN CIRCUIT

•  Verify that the front combination light (LH) and front side turn light (LH) connector is disconnected.

•  Inspect for continuity between front side turn light (LH) terminal B (wiring harness-side) and body ground.

•  Is there continuity?

Yes

Go to the next step.

No

Repair or replace the wiring harness for a possible open circuit, then go to Step 14.

7

INSPECT FRONT SIDE TURN LIGHT (LH)

•  Inspect the front side turn light (LH).

•  Is there any malfunction?

Yes

Replace the front side turn light (LH), then go to Step 14.

(See SIDE TURN LIGHT REMOVAL/INSTALLATION.)

No

Go to the next step.

8

INSPECT REAR COMBINATION LIGHT (LH) CONNECTOR AND TERMINALS

•  Disconnect the rear combination light (LH) connector.

•  Inspect the connector and terminals (corrosion, damage, pin disconnection).

•  Is there any malfunction?

Yes

Repair or replace the connector or terminals, then go to Step 14.

No

Go to the next step.

9

INSPECT REAR TURN LIGHT (LH) GROUND CIRCUIT FOR OPEN CIRCUIT

•  Verify that the following connectors are disconnected:

―  Front combination light (LH)

―  Front side turn light (LH)

―  Rear combination light (LH)

•  Inspect for continuity between rear combination light (LH) terminal F (wiring harness-side) and body ground.

•  Is there continuity?

Yes

Go to the next step.

No

Repair or replace the wiring harness for a possible open circuit, then go to Step 14.

10

INSPECT REAR TURN LIGHT BULB (LH)

•  Inspect the rear turn light bulb (LH).

•  Is there any malfunction?

Yes

Replace the rear combination light bulb (LH), then go to Step 14.

(See REAR COMBINATION LIGHT BULB REMOVAL/INSTALLATION.)

No

Go to the next step.

11

INSPECT BCM CONNECTOR AND TERMINALS

•  Disconnect the BCM connector.

•  Inspect the connector and terminals (corrosion, damage, pin disconnection).

•  Is there any malfunction?

Yes

Repair or replace the connector or terminals, then go to Step 14.

No

Go to the next step.

12

INSPECT TURN LIGHT (LH) CIRCUIT FOR SHORT TO POWER SUPPLY

•  Verify that the following connectors are disconnected:

―  Front combination light (LH)

―  Front side turn light (LH)

―  Rear combination light (LH)

―  BCM

•  Reconnect the negative battery cable.

•  Turn the ignition switch to the ON position.

•  Measure the voltage at the following terminals (wiring harness-side):

―  Front combination light (LH) terminal C

―  Front side turn light (LH) terminal A

―  Rear combination light (LH) terminal A

•  Is there any voltage?

Yes

Repair or replace the wiring harness for a possible short to power supply, then go to Step 14.

No

Go to the next step.

13

INSPECT TURN LIGHT (LH) CIRCUIT FOR OPEN CIRCUIT

•  Verify that the following connectors are disconnected:

―  Front combination light (LH)

―  Front side turn light (LH)

―  Rear combination light (LH)

―  BCM

•  Disconnect the negative battery cable.

•  Turn the ignition switch to the LOCK position.

•  Inspect for continuity between the following terminals (wiring harness-side):

―  Front combination light (LH) terminal C―BCM terminal 1L

―  Front side turn light (LH) terminal A―BCM terminal 1L

―  Rear combination light (LH) terminal A―BCM terminal 3L

•  Is there continuity?

Yes

Go to the next step.

No

Repair or replace the wiring harness for a possible open circuit, then go to the next step.

14

VERIFY TROUBLESHOOTING COMPLETED

•  Make sure to reconnect all disconnected connectors.

•  Reconnect the negative battery cable.

•  Clear the DTCs using the M-MDS.
(See CLEARING DTC [BCM].)

•  Perform the BCM DTC inspection using the M-MDS.
(See DTC INSPECTION [BCM].)

•  Is the same DTC present?

Yes

Repeat the inspection from Step 1.

•  If the malfunction recurs, replace the BCM.
(See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION.)

Go to the next step.

No

Go to the next step.

15

VERIFY THAT NO OTHER DTCs ARE PRESENT

•  Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [BCM].)

No

DTC troubleshooting completed.

Step	Inspection		Action
1	VERIFY BCM DTCs • Clear the DTCs using the M-MDS. (See CLEARING DTC [BCM].) • Perform the BCM DTC inspection using the M-MDS. (See DTC INSPECTION [BCM].) • Is the same DTC present?	Yes	Go to the next step.
1		No	Go to Step 15.
2	INSPECT FRONT COMBINATION LIGHT (LH) CONNECTOR AND TERMINALS • Turn the ignition switch to the LOCK position. • Disconnect the negative battery cable. • Disconnect the front combination light (LH) connector. • Inspect the connector and terminals (corrosion, damage, pin disconnection). • Is there any malfunction?	Yes	Repair or replace the connector or terminals, then go to Step 14.
2		No	Go to the next step.
3	INSPECT FRONT TURN LIGHT (LH) GROUND CIRCUIT FOR OPEN CIRCUIT • Verify that the front combination light (LH) connector is disconnected. • Inspect for continuity between front combination light (LH) terminal G (wiring harness-side) and body ground. • Is there continuity?	Yes	Go to the next step.
3		No	Repair or replace the wiring harness for a possible open circuit, then go to Step 14.
4	INSPECT FRONT TURN LIGHT BULB (LH) • Inspect the front turn light bulb (LH). • Is there any malfunction?	Yes	Replace the front turn light bulb (LH), then go to Step 14. (See FRONT TURN LIGHT BULB REMOVAL/INSTALLATION.)
4		No	Go to the next step.
5	INSPECT FRONT SIDE TURN LIGHT (LH) CONNECTOR AND TERMINALS • Disconnect the front side turn light (LH) connector. • Inspect the connector and terminals (corrosion, damage, pin disconnection). • Is there any malfunction?	Yes	Repair or replace the connector or terminals, then go to Step 14.
5		No	Go to the next step.
6	INSPECT FRONT SIDE TURN LIGHT (LH) GROUND CIRCUIT FOR OPEN CIRCUIT • Verify that the front combination light (LH) and front side turn light (LH) connector is disconnected. • Inspect for continuity between front side turn light (LH) terminal B (wiring harness-side) and body ground. • Is there continuity?	Yes	Go to the next step.
6		No	Repair or replace the wiring harness for a possible open circuit, then go to Step 14.
7	INSPECT FRONT SIDE TURN LIGHT (LH) • Inspect the front side turn light (LH). • Is there any malfunction?	Yes	Replace the front side turn light (LH), then go to Step 14. (See SIDE TURN LIGHT REMOVAL/INSTALLATION.)
7		No	Go to the next step.
8	INSPECT REAR COMBINATION LIGHT (LH) CONNECTOR AND TERMINALS • Disconnect the rear combination light (LH) connector. • Inspect the connector and terminals (corrosion, damage, pin disconnection). • Is there any malfunction?	Yes	Repair or replace the connector or terminals, then go to Step 14.
8		No	Go to the next step.
9	INSPECT REAR TURN LIGHT (LH) GROUND CIRCUIT FOR OPEN CIRCUIT • Verify that the following connectors are disconnected: ― Front combination light (LH) ― Front side turn light (LH) ― Rear combination light (LH) • Inspect for continuity between rear combination light (LH) terminal F (wiring harness-side) and body ground. • Is there continuity?	Yes	Go to the next step.
9		No	Repair or replace the wiring harness for a possible open circuit, then go to Step 14.
10	INSPECT REAR TURN LIGHT BULB (LH) • Inspect the rear turn light bulb (LH). • Is there any malfunction?	Yes	Replace the rear combination light bulb (LH), then go to Step 14. (See REAR COMBINATION LIGHT BULB REMOVAL/INSTALLATION.)
10		No	Go to the next step.
11	INSPECT BCM CONNECTOR AND TERMINALS • Disconnect the BCM connector. • Inspect the connector and terminals (corrosion, damage, pin disconnection). • Is there any malfunction?	Yes	Repair or replace the connector or terminals, then go to Step 14.
11		No	Go to the next step.
12	INSPECT TURN LIGHT (LH) CIRCUIT FOR SHORT TO POWER SUPPLY • Verify that the following connectors are disconnected: ― Front combination light (LH) ― Front side turn light (LH) ― Rear combination light (LH) ― BCM • Reconnect the negative battery cable. • Turn the ignition switch to the ON position. • Measure the voltage at the following terminals (wiring harness-side): ― Front combination light (LH) terminal C ― Front side turn light (LH) terminal A ― Rear combination light (LH) terminal A • Is there any voltage?	Yes	Repair or replace the wiring harness for a possible short to power supply, then go to Step 14.
12		No	Go to the next step.
13	INSPECT TURN LIGHT (LH) CIRCUIT FOR OPEN CIRCUIT • Verify that the following connectors are disconnected: ― Front combination light (LH) ― Front side turn light (LH) ― Rear combination light (LH) ― BCM • Disconnect the negative battery cable. • Turn the ignition switch to the LOCK position. • Inspect for continuity between the following terminals (wiring harness-side): ― Front combination light (LH) terminal C―BCM terminal 1L ― Front side turn light (LH) terminal A―BCM terminal 1L ― Rear combination light (LH) terminal A―BCM terminal 3L • Is there continuity?	Yes	Go to the next step.
13		No	Repair or replace the wiring harness for a possible open circuit, then go to the next step.
14	VERIFY TROUBLESHOOTING COMPLETED • Make sure to reconnect all disconnected connectors. • Reconnect the negative battery cable. • Clear the DTCs using the M-MDS. (See CLEARING DTC [BCM].) • Perform the BCM DTC inspection using the M-MDS. (See DTC INSPECTION [BCM].) • Is the same DTC present?	Yes	Repeat the inspection from Step 1. • If the malfunction recurs, replace the BCM. (See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION.) Go to the next step.
14		No	Go to the next step.
15	VERIFY THAT NO OTHER DTCs ARE PRESENT • Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [BCM].)
15		No	DTC troubleshooting completed.