DTC B1D06:13 [BCM]

id0902f5070100

Description

Turn light (LH) circuit malfunction

Detection condition

•  BCM detects an open circuit or short to power supply in the turn light (LH) circuit with the ignition switched ON (engine off or on).

Fail-safe

Not applicable

Possible cause

•  BCM connector or terminal malfunction

•  Front turn light bulb (LH) malfunction

•  Front combination light (LH) connector or terminal malfunction

•  Open circuit in wiring harness between the following terminals:

―  Front combination light (LH) terminal E—Body ground (With front combination light (bulb type) and without headlight manual leveling system)

―  Front combination light (LH) terminal M—Body ground (With front combination light (LED type) or headlight manual leveling system)

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

―  Front combination light (LH) terminal D—BCM terminal 3B (With front combination light (bulb type) and without headlight manual leveling system)

―  Front combination light (LH) terminal E—BCM terminal 3B (With front combination light (LED type) or headlight manual leveling system)

•  Open circuit in wiring harness between the following terminals:

―  Front combination light (LH) terminal D—BCM terminal 3B (With front combination light (bulb type) and without headlight manual leveling system)

―  Front combination light (LH) terminal E—BCM terminal 3B (With front combination light (LED type) or headlight manual leveling system)

•  Rear turn light bulb (LH) malfunction

•  Rear turn light (LH) connector or terminal malfunction

•  Open circuit in wiring harness between the following terminals:

―  Rear turn light (LH) terminal B—Body ground (4SD)

―  Rear turn light (LH) terminal E—Body ground (5HB)

•  Power outer mirror (LH) connector or terminal malfunction

•  Side turn light (LH) malfunction

•  Open circuit in wiring harness between power outer mirror (LH) terminal G and body ground

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

―  Rear turn light (LH) terminal A—BCM terminal 1G

―  Power outer mirror (LH) terminal E—BCM terminal 1G

•  Open circuit in wiring harness between the following terminals:

―  Rear turn light (LH) terminal A—BCM terminal 1G

―  Power outer mirror (LH) terminal E—BCM terminal 1G

•  BCM malfunction

Description	Turn light (LH) circuit malfunction
Detection condition	• BCM detects an open circuit or short to power supply in the turn light (LH) circuit with the ignition switched ON (engine off or on).
Fail-safe	Not applicable
Possible cause	• BCM connector or terminal malfunction • Front turn light bulb (LH) malfunction • Front combination light (LH) connector or terminal malfunction • Open circuit in wiring harness between the following terminals: ― Front combination light (LH) terminal E—Body ground (With front combination light (bulb type) and without headlight manual leveling system) ― Front combination light (LH) terminal M—Body ground (With front combination light (LED type) or headlight manual leveling system) • Short to power supply in wiring harness between the following terminals: ― Front combination light (LH) terminal D—BCM terminal 3B (With front combination light (bulb type) and without headlight manual leveling system) ― Front combination light (LH) terminal E—BCM terminal 3B (With front combination light (LED type) or headlight manual leveling system) • Open circuit in wiring harness between the following terminals: ― Front combination light (LH) terminal D—BCM terminal 3B (With front combination light (bulb type) and without headlight manual leveling system) ― Front combination light (LH) terminal E—BCM terminal 3B (With front combination light (LED type) or headlight manual leveling system) • Rear turn light bulb (LH) malfunction • Rear turn light (LH) connector or terminal malfunction • Open circuit in wiring harness between the following terminals: ― Rear turn light (LH) terminal B—Body ground (4SD) ― Rear turn light (LH) terminal E—Body ground (5HB) • Power outer mirror (LH) connector or terminal malfunction • Side turn light (LH) malfunction • Open circuit in wiring harness between power outer mirror (LH) terminal G and body ground • Short to power supply in wiring harness between the following terminals: ― Rear turn light (LH) terminal A—BCM terminal 1G ― Power outer mirror (LH) terminal E—BCM terminal 1G • Open circuit in wiring harness between the following terminals: ― Rear turn light (LH) terminal A—BCM terminal 1G ― Power outer mirror (LH) terminal E—BCM terminal 1G • BCM malfunction

*1 :With front combination light (bulb type) and without headlight manual leveling system

*2 :With front combination light (LED type) or headlight manual leveling system

Diagnostic Procedure

Step	Inspection		Action
1	VERIFY BCM DTCs AGAIN • Clear the DTC for the BCM using the M-MDS. (See CLEARING DTC [BCM].) • Retrieve the BCM DTCs using the M-MDS. (See DTC INSPECTION [BCM].) • Is the same DTC displayed?	Yes	Go to the next step.
1		No	Go to Step 20.
2	DETERMINE MALFUNCTIONING LIGHT • Operate the turn switch to the LH position. • Are there any lights among the following which do not flash or continue to be illuminated? ― Front turn light (LH) ― Side turn light (LH) ― Rear turn light (LH)	Yes	All lights do not flash or continue to be illuminated: • Go to the next step. Front turn light (LH) does not flash or continue to be illuminated: • Go to Step 4. Side turn light (LH) and rear turn light (LH) do not flash or continue to be illuminated: • Go to Step 10.
2		No	Go to Step 19.
3	INSPECT BCM CONNECTOR CONDITION • Switch the ignition off. • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.) • Disconnect the BCM 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 19.
3		No	Repair or replace the connector, then go to Step 19.
4	VISUALLY INSPECT FRONT TURN LIGHT BULB (LH) • Visually inspect the front turn light bulb (LH). • Is the front turn light bulb (LH) normal?	Yes	Go to the next step.
4		No	Replace the front turn light bulb (LH), then go to Step 19. (See FRONT TURN LIGHT BULB REMOVAL/INSTALLATION.)
5	INSPECT FRONT COMBINATION LIGHT (LH) CONNECTOR CONDITION • Switch the ignition off. • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE 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 19.
6	INSPECT FRONT TURN LIGHT (LH) GROUND CIRCUIT FOR OPEN CIRCUIT • Verify that the front combination light (LH) connector is disconnected. • Inspect for continuity between the following terminals (wiring harness-side) and body ground: ― Front combination light (LH) terminal E (With front combination light (bulb type) and without headlight manual leveling system) ― Front combination light (LH) terminal M (With front combination light (LED type) or headlight manual leveling system) • Is there continuity?	Yes	Go to the next step.
6		No	Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: • Front combination light (LH) terminal E—Body ground (With front combination light (bulb type) and without headlight manual leveling system) • Front combination light (LH) terminal M—Body ground (With front combination light (LED type) or headlight manual leveling 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 an open circuit. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has an open circuit. Go to Step 19.
7	INSPECT BCM CONNECTOR CONDITION • Disconnect the BCM 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.
7		No	Repair or replace the connector, then go to Step 19.
8	INSPECT FRONT TURN LIGHT (LH) CONTROL CIRCUIT FOR SHORT TO POWER SUPPLY • Verify that the front combination light (LH) and BCM connectors are disconnected. • Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.) • Switch the ignition ON (engine off or on). • Measure the voltage at the BCM terminal 3B (wiring harness-side). • Is the voltage 0 V?	Yes	Go to the next step.
8		No	Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: • Front combination light (LH) terminal D—BCM terminal 3B (With front combination light (bulb type) and without headlight manual leveling system) • Front combination light (LH) terminal E—BCM terminal 3B (With front combination light (LED type) or headlight manual leveling 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 power supply. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has a short to power supply. Go to Step 19.
9	INSPECT FRONT TURN LIGHT (LH) CONTROL CIRCUIT FOR OPEN CIRCUIT • Switch the ignition off. • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.) • Verify that the front combination light (LH) and BCM connectors are disconnected. • Inspect for continuity between the following terminals (wiring harness-side): ― Front combination light (LH) terminal D—BCM terminal 3B (With front combination light (bulb type) and without headlight manual leveling system) ― Front combination light (LH) terminal E—BCM terminal 3B (With front combination light (LED type) or headlight manual leveling system) • Is there continuity?	Yes	Go to Step 19.
9		No	Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: • Front combination light (LH) terminal D—BCM terminal 3B (With front combination light (bulb type) and without headlight manual leveling system) • Front combination light (LH) terminal E—BCM terminal 3B (With front combination light (LED type) or headlight manual leveling 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 an open circuit. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has an open circuit. Go to Step 19.
10	VISUALLY INSPECT REAR TURN LIGHT BULB (LH) • Visually inspect the rear turn light bulb (LH). • Is the rear turn light bulb (LH) normal?	Yes	Go to the next step.
10		No	Replace the rear turn light bulb (LH), then go to Step 19. (See REAR TURN LIGHT BULB REMOVAL/INSTALLATION.)
11	INSPECT REAR TURN LIGHT (LH) CONNECTOR CONDITION • Switch the ignition off. • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.) • Disconnect the rear turn 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.
11		No	Repair or replace the connector, then go to Step 19.
12	INSPECT REAR TURN LIGHT (LH) GROUND CIRCUIT FOR OPEN CIRCUIT • Verify that the rear turn light (LH) connector is disconnected. • Inspect for continuity between the following terminals (wiring harness-side) and body ground: ― Rear turn light (LH) terminal B (4SD) ― Rear turn light (LH) terminal E (5HB) • Is there continuity?	Yes	Go to the next step.
12		No	Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: • Rear turn light (LH) terminal B—Body ground (4SD) • Rear turn light (LH) terminal E—Body ground (5HB) 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 an open circuit. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has an open circuit. Go to Step 19.
13	INSPECT POWER OUTER MIRROR (LH) CONNECTOR CONDITION • 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 19.
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 side turn light (LH), then go to Step 19. (See SIDE TURN LIGHT REMOVAL/INSTALLATION.)
15	INSPECT SIDE TURN LIGHT (LH) GROUND CIRCUIT FOR OPEN CIRCUIT • Verify that the power outer mirror (LH) connector is disconnected. • Inspect for continuity between power outer mirror (LH) terminal G (wiring harness-side) and body ground. • Is there continuity?	Yes	Go to the next step.
15		No	Refer to the wiring diagram and verify whether or not there is a common connector between power outer mirror (LH) terminal G and body ground. 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 an open circuit. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has an open circuit. Go to Step 19.
16	INSPECT BCM CONNECTOR CONDITION • Disconnect the BCM 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.
16		No	Repair or replace the connector, then go to Step 19.
17	INSPECT TURN LIGHT (LH) CONTROL CIRCUIT FOR SHORT TO POWER SUPPLY • Verify that the side turn light (LH), rear turn light (LH) and BCM connectors are disconnected. • Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.) • Switch the ignition ON (engine off or on). • Measure the voltage at the BCM terminal 1G (wiring harness-side). • Is the voltage 0 V?	Yes	Go to the next step.
17		No	Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: • Rear turn light (LH) terminal A—BCM terminal 1G • Power outer mirror (LH) terminal E—BCM 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 power supply. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has a short to power supply. Go to Step 19.
18	INSPECT TURN LIGHT (LH) CONTROL CIRCUIT FOR OPEN CIRCUIT • Switch the ignition off. • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.) • Verify that the side turn light (LH), rear turn light (LH) and BCM connectors are disconnected. • Inspect for continuity between the following terminals (wiring harness-side): ― Rear turn light (LH) terminal A—BCM terminal 1G ― Power outer mirror (LH) terminal E—BCM terminal 1G • Is there continuity?	Yes	Go to the next step.
18		No	Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: • Rear turn light (LH) terminal A—BCM terminal 1G • Power outer mirror (LH) terminal E—BCM 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 an open circuit. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has an open circuit. Go to the next step.
19	VERIFY THAT REPAIRS HAVE BEEN COMPLETED • Always reconnect all disconnected connectors. • Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.) • Clear the DTC for the BCM using the M-MDS. (See CLEARING DTC [BCM].) • Retrieve the BCM DTCs using the M-MDS. (See DTC INSPECTION [BCM].) • Is the same DTC displayed?	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.
19		No	Go to the next step.
20	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 [BCM].)
20		No	DTC troubleshooting completed.