DTC B1D07:11 [FRONT BODY CONTROL MODULE (FBCM)]

id0902p2009700

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

•  Stops turn light output. (Resumes when ignition is switched from OFF to ON)

Possible cause

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

•  Front combination light (RH) connector or terminal malfunction

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

•  Front turn light (RH) malfunction

•  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

4SD:

―  Rear combination light (RH) connector or terminal malfunction

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

WGN:

―  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

•  Rear turn light (RH) malfunction

•  Front body control module (FBCM) malfunction

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	• Stops turn light output. (Resumes when ignition is switched from OFF to ON)
Possible cause	• Front body control module (FBCM) connector or terminal malfunction • Front combination light (RH) connector or terminal malfunction • Short to ground in wiring harness between front combination light (RH) terminal E and front body control module (FBCM) terminal 1G • Front turn light (RH) malfunction • 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 4SD: ― Rear combination light (RH) connector or terminal malfunction ― Short to ground in wiring harness between rear combination light (RH) terminal A and front body control module (FBCM) terminal 1E WGN: ― 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 • Rear turn light (RH) malfunction • Front body control module (FBCM) malfunction

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 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 Pending DTC present?	Yes	Go to the next step.
1		No	Go to Step 17.
2	DETERMINE MALFUNCTIONING LIGHT • 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.
2		No	Go to Step 16.
3	INSPECT FRONT BODY CONTROL MODULE (FBCM) CONNECTOR • 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 16.
3		No	Repair or replace the connector, then go to Step 16.
4	INSPECT FRONT COMBINATION LIGHT (RH) CONNECTOR • Switch the ignition off. • Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.) • 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.
4		No	Repair or replace the connector, then go to Step 16.
5	INSPECT FRONT BODY CONTROL MODULE (FBCM) CONNECTOR • 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.
5		No	Repair or replace the connector, then go to Step 16.
6	INSPECT FOR SHORT TO GROUND IN FRONT TURN LIGHT (RH) CONTROL CIRCUIT • 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 front combination light (RH) terminal E and front body control module (FBCM) terminal 1G. 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.
6		No	Go to Step 16.
7	VERIFY IF MALFUNCTIONING LOCATION IS FRONT COMBINATION LIGHT (RH) DEPENDING ON REPEATABILITY • Always reconnect all disconnected connectors. • Reconnect 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 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 Pending DTC present?	Yes	Replace the front combination light (RH), then go to Step 16. (See FRONT COMBINATION LIGHT REMOVAL/INSTALLATION.)
7		No	Go to Step 17.
8	INSPECT POWER OUTER MIRROR (RH) CONNECTOR • Switch the ignition off. • Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.) • 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.
8		No	Repair or replace the connector, then go to Step 16.
9	INSPECT SIDE TURN LIGHT (RH) • Inspect the side turn light (RH). (See SIDE TURN LIGHT INSPECTION.) • Is the side turn light (RH) normal?	Yes	Go to the next step.
9		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	INSPECT FRONT BODY CONTROL MODULE (FBCM) CONNECTOR • 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.
10		No	Repair or replace the connector, then go to Step 16.
11	INSPECT FOR SHORT TO GROUND IN SIDE TURN LIGHT (RH) CONTROL CIRCUIT • 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.
11		No	Go to Step 16.
12	INSPECT REAR COMBINATION LIGHT (RH) (4SD)/REAR TURN LIGHT (RH) (WGN) CONNECTOR • Switch the ignition off. • Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.) • Disconnect the rear combination light (RH) connector. (4SD) • Disconnect the rear turn light (RH) connector. (WGN) • 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.
12		No	Repair or replace the connector, then go to Step 16.
13	INSPECT FRONT BODY CONTROL MODULE (FBCM) CONNECTOR • 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.
13		No	Repair or replace the connector, then go to Step 16.
14	INSPECT FOR SHORT TO GROUND IN REAR TURN LIGHT (RH) CONTROL CIRCUIT • Verify that the rear combination light (RH) and front body control module (FBCM) connectors are disconnected. (4SD) • Verify that the rear turn light (RH) and front body control module (FBCM) connectors are disconnected. (WGN) • 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 combination light (RH) terminal A and front body control module (FBCM) terminal 1E. (4SD) 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. (WGN) 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.
14		No	Go to the next step.
15	VERIFY IF MALFUNCTIONING LOCATION IS REAR COMBINATION LIGHT (RH) (4SD)/REAR TURN LIGHT (RH) (WGN) DEPENDING ON REPEATABILITY • Always reconnect all disconnected connectors. • Reconnect 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 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 Pending DTC present?	Yes	4SD: • Replace the rear combination light (RH), then go to the next step. (See REAR COMBINATION LIGHT REMOVAL/INSTALLATION.) WGN: • Replace the rear turn light (RH), then go to the next step. (See REAR TURN LIGHT BULB REMOVAL/INSTALLATION.)
15		No	Go to Step 17.
16	VERIFY THAT REPAIRS HAVE BEEN COMPLETED • Always reconnect all disconnected connectors. • Reconnect 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 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 Pending DTC present?	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.
16		No	Go to the next step.
17	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)].)
17		No	DTC troubleshooting completed.