Nissan Frontier. Manual - part 1166

B1150 – B1153 SIDE CURTAIN AIR BAG MODULE LH

SRC-29

< DTC/CIRCUIT DIAGNOSIS >

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B1150 – B1153 SIDE CURTAIN AIR BAG MODULE LH

Description

INFOID:0000000009479980

DTC B1150 – B1153 LH SIDE CURTAIN AIR BAG MODULE

The LH side curtain air bag module is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor

unit will monitor for opens and shorts in detected lines to the LH side curtain air bag module.

PART LOCATION

Refer to 

SRC-7, "SRS Component Parts Location"

.

DTC Logic

INFOID:0000000009479981

DTC DETECTION LOGIC 

With CONSULT

DTC CONFIRMATION PROCEDURE (With CONSULT)

1.

CHECK SELF-DIAG RESULT

1. Turn ignition switch ON.

2. Check for DTC using CONSULT.
Is the DTC detected?

YES (Current DTC)>>Refer to 

SRC-29, "Diagnosis Procedure"

.

YES (Past DTC)>>GO TO 2.

NO

>> Inspection End.

2.

ERASE SELF-DIAG RESULT

Erase the DTC using CONSULT.
Can the DTC be erased?

YES

>> Inspection End.

NO

>> Refer to 

SRC-29, "Diagnosis Procedure"

.

DTC CONFIRMATION PROCEDURE (Without CONSULT)

1.

CHECK SELF-DIAG RESULT

1. Turn ignition switch ON.

2. Check the air bag warning lamp status. Refer to 

SRC-15, "Self-Diagnosis Function (Without CONSULT)"

.

NOTE:

SRS will not enter diagnosis mode if no malfunction is detected in user mode.
Is the DTC detected?

YES

>> Refer to 

SRC-29, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009479982

1.

HARNESS CONNECTOR

Visually inspect all applicable harness connectors for the following:

CONSULT name

DTC

DTC detecting condition

Repair order

CURTAIN MODULE LH 

[OPEN]

B1150

LH side curtain air bag module circuit is 
open.

1.

Visually check the wiring harness connection.

2.

Replace the harness if it has visible damage.

3.

Replace the air bag diagnosis sensor unit.

4.

Replace the LH side curtain air bag module.

5.

Replace the related harness.

CURTAIN MODULE LH 

[VB-SHORT]

B1151

LH side curtain air bag module circuit is 
shorted to a power supply circuit.

CURTAIN MODULE LH 

[GND-SHORT]

B1152

LH side curtain air bag module circuit is 
shorted to ground.

CURTAIN MODULE LH 

[SHORT]

B1153

LH side curtain air bag module circuits are 
shorted to each other.

SRC-30

< DTC/CIRCUIT DIAGNOSIS >

B1150 – B1153 SIDE CURTAIN AIR BAG MODULE LH

• Visible damage to connector or terminal

• Loose terminal

• Poor connection

NOTE:

All harness connectors should be inspected from the air bag diagnosis unit to the end component (including

any in-line connectors).

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Perform one of the following repairs:

• Visible damage: Replace the harness.

• Loose terminal: Secure the terminal.

• Poor connection: Secure the connection.

2.

CONFIRM DTC

1. Reconnect all harness connectors.

2. Turn ignition switch ON.

3. Check for DTC using CONSULT.
Is DTC still current?

YES

>> GO TO 3

NO

>> Refer to 

GI-42, "Intermittent Incident"

.

3.

WIRING HARNESS

Check the wiring harness for visible damage

NOTE

.

NOTE:

The entire wiring harness should be inspected from the air bag diagnosis sensor unit to the end component

(including any in-line connectors).
Is the inspection result normal?

YES

>> GO TO 4

NO

>> Replace the harness.

4.

CONFIRM DTC

1. Reconnect all harness connectors.

2. Turn ignition switch ON.

3. Check for DTC using CONSULT.
Is DTC still current?

YES

>> GO TO 5

NO

>> Refer to 

GI-42, "Intermittent Incident"

.

5.

AIR BAG DIAGNOSIS SENSOR UNIT

1. Replace the air bag diagnosis sensor unit. Refer to 

SR-23, "Removal and Installation"

.

2. Turn ignition switch ON.

3. Check for DTC using CONSULT.
Is DTC still current?

YES

>> GO TO 6

NO

>> Clear DTC. Inspection End.

6.

SIDE CURTAIN AIR BAG MODULE LH

1. Replace the side curtain air bag module LH. Refer to 

SR-18, "Removal and Installation"

.

2. Turn ignition switch ON.

3. Check for DTC using CONSULT.
Is DTC still current?

YES

>> GO TO 7

NO

>> Clear DTC. Inspection End.

7.

RELATED HARNESS

Replace the related harness.

B1150 – B1153 SIDE CURTAIN AIR BAG MODULE LH

SRC-31

< DTC/CIRCUIT DIAGNOSIS >

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>> END

SRC-32

< DTC/CIRCUIT DIAGNOSIS >

B1145 – B1148 SIDE CURTAIN AIR BAG MODULE RH

B1145 – B1148 SIDE CURTAIN AIR BAG MODULE RH

Description

INFOID:0000000009479983

DTC B1145 – B1148 RH SIDE CURTAIN AIR BAG MODULE

The RH side curtain air bag module is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor

unit will monitor for opens and shorts in detected lines to the RH side curtain air bag module.

PART LOCATION

Refer to 

SRC-7, "SRS Component Parts Location"

.

DTC Logic

INFOID:0000000009479984

DTC DETECTION LOGIC 

With CONSULT

DTC CONFIRMATION PROCEDURE (With CONSULT)

1.

CHECK SELF-DIAG RESULT

1. Turn ignition switch ON.

2. Check for DTC using CONSULT.
Is the DTC detected?

YES (Current DTC)>>Refer to 

SRC-32, "Diagnosis Procedure"

.

YES (Past DTC)>>GO TO 2.

NO

>> Inspection End.

2.

ERASE SELF-DIAG RESULT

Erase the DTC using CONSULT.
Can the DTC be erased?

YES

>> Inspection End.

NO

>> Refer to 

SRC-32, "Diagnosis Procedure"

.

DTC CONFIRMATION PROCEDURE (Without CONSULT)

1.

CHECK SELF-DIAG RESULT

1. Turn ignition switch ON.

2. Check the air bag warning lamp status. Refer to 

SRC-15, "Self-Diagnosis Function (Without CONSULT)"

.

NOTE:

SRS will not enter diagnosis mode if no malfunction is detected in user mode.
Is the DTC detected?

YES

>> Refer to 

SRC-32, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009479985

1.

HARNESS CONNECTOR

Visually inspect all applicable harness connectors for the following:

CONSULT name

DTC

DTC detecting condition

Repair order

CURTAIN MODULE RH 

[OPEN]

B1145

RH side curtain air bag module circuit is 
open.

1.

Visually check the wiring harness connection.

2.

Replace the harness if it has visible damage.

3.

Replace the air bag diagnosis sensor unit.

4.

Replace the RH side curtain air bag module.

5.

Replace the related harness.

CURTAIN MODULE RH 

[VB-SHORT]

B1146

RH side curtain air bag module circuit is 
shorted to a power supply circuit.

CURTAIN MODULE RH 

[GND-SHORT]

B1147

RH side curtain air bag module circuit is 
shorted to ground.

CURTAIN MODULE RH 

[SHORT]

B1148

RH side curtain air bag module circuits are 
shorted to each other.