DTC B1D06:11 [FRONT BODY CONTROL MODULE (FBCM)]

id0902p2009500

Description	Turn light (LH) circuit malfunction
Detection condition	• Front body control module (FBCM) detects a short to ground in the turn light (LH) circuit with the ignition switched ON (engine off or on).
Fail-safe	Not applicable
Possible cause	• Front body control module (FBCM) connector or terminal malfunction • Front turn light bulb (LH) malfunction (Without adaptive LED headlights) • Front combination light (LH) connector or terminal malfunction • Short to ground in wiring harness between front combination light (LH) terminal E and front body control module (FBCM) terminal 2B • Front turn light malfunction (With adaptive LED headlights) • Rear turn light bulb (LH) malfunction • Rear turn light (LH) connector or terminal malfunction • Short to ground in wiring harness between rear combination light (LH) terminal A and front body control module (FBCM) terminal 2D • Power outer mirror (LH) connector or terminal malfunction • Side turn light (LH) malfunction • Short to ground in wiring harness between power outer mirror (LH) terminal E and front body control module (FBCM) terminal 2F • Front body control module (FBCM) malfunction

*1 :Without adaptive LED headlights

*2 :With adaptive LED headlights

Diagnostic Procedure

Step	Inspection		Action
1	VERIFY FRONT BODY CONTROL MODULE (FBCM) DTCs AGAIN • 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 LH 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.
1		No	Go to Step 18.
2	DETERMINE MALFUNCTIONING LIGHT • Operate the turn switch to the LH position. • Are there any lights among the following which do not flash? ? Front turn light (LH) ? Rear turn light (LH) ? Side turn light (LH)	Yes	All lights do not flash: • Go to the next step. Front turn light (LH) do not flash: Without adaptive LED headlights: • Go to Step 4. With adaptive LED headlights: • Go to Step 5. Rear turn light (LH) do not flash: • Go to Step 9. Side turn light (LH) do not flash: • Go to Step 13.
2		No	Go to Step 17.
3	INSPECT FRONT BODY CONTROL MODULE (FBCM) CONNECTOR CONDITION • Switch the ignition off. • Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.) • 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 17.
3		No	Repair or replace the connector, then go to Step 17.
4	INSPECT FRONT TURN LIGHT BULB (LH) • Inspect the front turn light bulb (LH). • Is the bulb normal?	Yes	Go to the next step.
4		No	Replace the front turn light bulb, then go to Step 17. (See FRONT TURN LIGHT BULB REMOVAL/INSTALLATION.)
5	INSPECT FRONT COMBINATION LIGHT (LH) CONNECTOR CONDITION • Switch the ignition off. • Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.) • Disconnect the front combination light (LH) 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.
5		No	Repair or replace the connector, then go to Step 17.
6	INSPECT FRONT BODY CONTROL MODULE (FBCM) CONNECTOR CONDITION • 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.
6		No	Repair or replace the connector, then go to Step 17.
7	INSPECT FRONT TURN LIGHT (LH) CONTROL CIRCUIT FOR SHORT TO GROUND • Verify that the front combination light (LH) and front body control module (FBCM) connectors are disconnected. • Inspect for continuity between front body control module (FBCM) terminal 2B (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 front combination light (LH) terminal E and front body control module (FBCM) terminal 2B. 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 17.
7		No	Without adaptive LED headlights:With adaptive LED headlights: Go to Step 17. Go to the next step.
8	VERIFY IF MALFUNCTIONING LOCATION IS FRONT TURN LIGHT (LH) DEPENDING ON REPEATABILITY • Always reconnect all disconnected connectors. • Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.) • 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 LH 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	Replace the front combination light (LH), then go to Step 17. (See FRONT COMBINATION LIGHT REMOVAL/INSTALLATION.)
8		No	Go to Step 18.
9	INSPECT REAR TURN LIGHT BULB (LH) • Inspect the rear turn light bulb (LH). • Is the rear turn light bulb (LH) normal?	Yes	Go to the next step.
9		No	Replace the rear turn light bulb (LH), then go to Step 17. (See REAR TURN LIGHT BULB REMOVAL/INSTALLATION.)
10	INSPECT REAR COMBINATION LIGHT (LH) CONNECTOR CONDITION • Switch the ignition off. • Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.) • Disconnect the rear combination light (LH) 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.
10		No	Repair or replace the connector, then go to Step 17.
11	INSPECT FRONT BODY CONTROL MODULE (FBCM) CONNECTOR CONDITION • 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.
11		No	Repair or replace the connector, then go to Step 17.
12	INSPECT REAR TURN LIGHT (LH) CONTROL CIRCUIT FOR SHORT TO GROUND • Verify that the rear combination light (LH) and front body control module (FBCM) connectors are disconnected. • Inspect for continuity between front body control module (FBCM) terminal 2D (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 combination light (LH) terminal A and front body control module (FBCM) terminal 2D. 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 17.
12		No	Go to Step 17.
13	INSPECT POWER OUTER MIRROR (LH) CONNECTOR CONDITION • Switch the ignition off. • Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.) • Disconnect the power outer mirror (LH) 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.
13		No	Repair or replace the connector, then go to Step 17.
14	INSPECT SIDE TURN LIGHT (LH) • Inspect the side turn light (LH). (See SIDE TURN LIGHT INSPECTION.) • Is the side turn light (LH) normal?	Yes	Go to the next step.
14		No	Replace the power outer mirror (LH), then go to Step 17. (See POWER OUTER MIRROR REMOVAL/INSTALLATION.) (See SIDE TURN LIGHT REMOVAL/INSTALLATION.)
15	INSPECT FRONT BODY CONTROL MODULE (FBCM) CONNECTOR CONDITION • 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.
15		No	Repair or replace the connector, then go to Step 17.
16	INSPECT SIDE TURN LIGHT (LH) CONTROL CIRCUIT FOR SHORT TO GROUND • Verify that the power outer mirror (LH) and front body control module (FBCM) connectors are disconnected. • Inspect for continuity between front body control module (FBCM) terminal 2F (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 (LH) terminal E and front body control module (FBCM) terminal 2F. 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.
16		No	Go to the next step.
17	VERIFY THAT REPAIRS HAVE BEEN COMPLETED • Always reconnect all disconnected connectors. • Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.) • 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 LH 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.
17		No	Go to the next step.
18	VERIFY IF OTHER DTCs DISPLAYED • 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)].)
18		No	DTC troubleshooting completed.