DTC B1172:11 [BCM]

id0902f5415100

Vehicles Without Advanced Keyless Entry And Push Button Start System

Description

• Door lock-link switch (driver’s side) lock-side circuit malfunction

Detection Condition

• Short to ground in door lock-link switch (driver’s side) lock-side circuit with the door lock-link switch (driver’s side) unlocked.

Possible Causes

• Front door latch and lock actuator (driver’s side) connector or terminals malfunction

• Door lock-link switch (driver’s side) malfunction

• BCM connector or terminals malfunction

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

― Front door latch and lock actuator (LH) terminal D—BCM terminal 8G (L.H.D.)

― Front door latch and lock actuator (RH) terminal J—BCM terminal 8G (R.H.D.)

• BCM malfunction

System Wiring Diagram

am6zzw00006956

Diagnostic Procedure

Step

Inspection

Action

1

PERFORM DTC INSPECTION

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

•  Perform the BCM DTC inspection using the M-MDS with the door lock-link switch (driver's side) unlocked.
(See DTC INSPECTION [BCM].)

•  Is the DTC B1172:11 present?

Yes

Go to the next step.

No

DTC troubleshooting completed.

2

INSPECT FRONT DOOR LATCH AND LOCK ACTUATOR (DRIVER’S SIDE) CONNECTOR CONDITION

•  Switch the ignition to off.

•  Disconnect the negative battery cable.

•  Disconnect the front door latch and lock actuator (driver's side) 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 6.

No

Go to the next step.

3

INSPECT DOOR LOCK-LINK SWITCH (DRIVER’S SIDE)

•  Inspect the door lock-link switch (driver's side).
(See DOOR LOCK-LINK SWITCH INSPECTION.)

•  Is there any malfunction?

Yes

Replace the front door latch and lock actuator (driver's side), then go to Step 6.

(See FRONT DOOR LATCH AND LOCK ACTUATOR REMOVAL/INSTALLATION.)

No

Go to the next step.

4

INSPECT BCM CONNECTOR CONDITION

•  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 6.

No

Go to the next step.

5

INSPECT DOOR LOCK-LINK SWITCH (DRIVER’S SIDE) CIRCUIT FOR SHORT TO GROUND

•  Front door latch and lock actuator (driver's side) and BCM connectors are disconnected.

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

―  Front door latch and lock actuator (LH) terminal D (L.H.D.)

―  Front door latch and lock actuator (RH) terminal J (R.H.D.)

•  Is there continuity?

Yes

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

No

Go to the next step.

6

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 with the door lock-link switch (driver's side) unlocked.
(See DTC INSPECTION [BCM].)

•  Is the DTC B1172:11 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.

7

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	PERFORM DTC INSPECTION • Clear the DTCs using the M-MDS. (See CLEARING DTC [BCM].) • Perform the BCM DTC inspection using the M-MDS with the door lock-link switch (driver's side) unlocked. (See DTC INSPECTION [BCM].) • Is the DTC B1172:11 present?	Yes	Go to the next step.
No	DTC troubleshooting completed.
2	INSPECT FRONT DOOR LATCH AND LOCK ACTUATOR (DRIVER’S SIDE) CONNECTOR CONDITION • Switch the ignition to off. • Disconnect the negative battery cable. • Disconnect the front door latch and lock actuator (driver's side) 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 6.
No	Go to the next step.
3	INSPECT DOOR LOCK-LINK SWITCH (DRIVER’S SIDE) • Inspect the door lock-link switch (driver's side). (See DOOR LOCK-LINK SWITCH INSPECTION.) • Is there any malfunction?	Yes	Replace the front door latch and lock actuator (driver's side), then go to Step 6. (See FRONT DOOR LATCH AND LOCK ACTUATOR REMOVAL/INSTALLATION.)
No	Go to the next step.
4	INSPECT BCM CONNECTOR CONDITION • 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 6.
No	Go to the next step.
5	INSPECT DOOR LOCK-LINK SWITCH (DRIVER’S SIDE) CIRCUIT FOR SHORT TO GROUND • Front door latch and lock actuator (driver's side) and BCM connectors are disconnected. • Inspect for continuity between the following terminals (wiring harness-side) and body ground: ― Front door latch and lock actuator (LH) terminal D (L.H.D.) ― Front door latch and lock actuator (RH) terminal J (R.H.D.) • Is there continuity?	Yes	Repair or replace the wiring harness for a possible short to ground, then go to the next step.
No	Go to the next step.
6	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 with the door lock-link switch (driver's side) unlocked. (See DTC INSPECTION [BCM].) • Is the DTC B1172:11 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.
7	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.

Vehicles With Advanced Keyless Entry And Push Button Start System

Description

• Door lock-link switch (driver’s side) lock-side circuit malfunction

Detection Condition

• Short to ground in door lock-link switch (driver’s side) lock-side circuit with the door lock-link switch (driver’s side) unlocked.

Possible Causes

• Front door latch and lock actuator (driver’s side) connector or terminals malfunction

• Door lock-link switch (driver’s side) malfunction

• Keyless control module connector or terminals malfunction

• BCM connector or terminals malfunction

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

― Front door latch and lock actuator (LH) terminal D—BCM terminal 8G (L.H.D.)

― Keyless control module terminal 3P—BCM terminal 8G

― Front door latch and lock actuator (RH) terminal J—BCM terminal 8G (R.H.D.)

• Keyless control module malfunction

• BCM malfunction

System Wiring Diagram

am6zzw00006957

Diagnostic Procedure

Step

Inspection

Action

1

PERFORM DTC INSPECTION

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

•  Perform the BCM DTC inspection using the M-MDS with the door lock-link switch (driver's side) unlocked.
(See DTC INSPECTION [BCM].)

•  Is the DTC B1172:11 present?

Yes

Go to the next step.

No

DTC troubleshooting completed.

2

INSPECT FRONT DOOR LATCH AND LOCK ACTUATOR (DRIVER’S SIDE) CONNECTOR CONDITION

•  Switch the ignition to off.

•  Disconnect the negative battery cable.

•  Disconnect the front door latch and lock actuator (driver's side) 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 8.

No

Go to the next step.

3

INSPECT DOOR LOCK-LINK SWITCH (DRIVER’S SIDE)

•  Inspect the door lock-link switch (driver's side).
(See DOOR LOCK-LINK SWITCH INSPECTION.)

•  Is there any malfunction?

Yes

Replace the front door latch and lock actuator (driver's side), then go to Step 8.

(See FRONT DOOR LATCH AND LOCK ACTUATOR REMOVAL/INSTALLATION.)

No

Go to the next step.

4

INSPECT KEYLESS CONTROL MODULE CONNECTOR CONDITION

•  Disconnect the keyless control module 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 8.

No

Go to the next step.

5

INSPECT BCM CONNECTOR CONDITION

•  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 8.

No

Go to the next step.

6

INSPECT DOOR LOCK-LINK SWITCH (DRIVER’S SIDE) CIRCUIT FOR SHORT TO GROUND

•  Front door latch and lock actuator (driver's side), keyless control module and BCM connectors are disconnected.

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

―  Front door latch and lock actuator (LH) terminal D (L.H.D.)

―  Front door latch and lock actuator (RH) terminal J (R.H.D.)

•  Is there continuity?

Yes

Repair or replace the wiring harness for a possible short to ground, then go to Step 8.

No

Go to the next step.

7

INSPECT KEYLESS CONTROL MODULE

•  Make sure to reconnect all disconnected connectors.

•  Reconnect the negative battery cable.

•  Measure the voltage at the keyless control module terminal 3P (wiring harness-side).

•  Is the voltage normal?
(See KEYLESS CONTROL MODULE INSPECTION [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM].)

Yes

Go to the next step.

No

Replace the keyless control module, then go to the next step.

(See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM].)

8

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 with the door lock-link switch (driver's side) unlocked.
(See DTC INSPECTION [BCM].)

•  Is the DTC B1172:11 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.

9

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.