Nissan Titan A60. Manual - part 884

SRC-52

< DTC/CIRCUIT DIAGNOSIS >

B1023 PASSENGER AIR BAG OFF INDICATOR

B1023 PASSENGER AIR BAG OFF INDICATOR

Description

INFOID:0000000006163179

DTC B1023 FRONT PASSENGER AIR BAG OFF INDICATOR

The front passenger air bag off indicator is wired to the air bag diagnosis sensor unit.  The air bag diagnosis

sensor unit monitors the front passenger air bag off indicator and circuit for failures.

PART LOCATION

Refer to 

SRC-7, "SRS Component Parts Location"

.

DTC Logic

INFOID:0000000006163180

DTC DETECTION LOGIC 

With CONSULT-lll

Without CONSULT-lll

DTC CONFIRMATION PROCEDURE (With CONSULT-lll)

1.

INSPECTION START

Turn ignition switch ON.

>> GO TO 2.

2.

CHECK SELF-DIAG RESULT

Check for the DTC on CONSULT-lll.
Is the DTC detected?

YES

>> Refer to 

SRC-53, "Diagnosis Procedure (Component Diagnosis)"

.

NO

>> Inspection End.

DTC CONFIRMATION PROCEDURE (Without CONSULT-lll)

NOTE:

SRS will not enter diagnosis mode if no malfunction is detected in user mode.

1.

IGNITION SWITCH

Turn ignition switch ON.

CONSULT-III name

DTC

DTC detecting condition

Repair order

PASS A/B INDCTR CKT

B1023

Front passenger air bag off indicator is 
malfunctioning.

1.

Visually check the wiring harness connection.

2.

Replace the harness if it has visible damage.

3.

Replace the front passenger air bag off indi-
cator.

4.

Replace the air bag diagnosis sensor unit.

5.

Replace the related harness.

WHIA0212E

B1023 PASSENGER AIR BAG OFF INDICATOR

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< DTC/CIRCUIT DIAGNOSIS >

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>> GO TO 2

2.

IGNITION SWITCH

After air bag warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.

>> GO TO 3

3.

WAIT TIME

Wait more than 3 seconds.

>> GO TO 4

4.

REPEAT STEPS

Repeat steps 1 to 3 twice.

>> GO TO 5

5.

IGNITION SWITCH

Turn ignition switch ON.

>> GO TO 6

6.

DIAGNOSTIC MODE

SRS system is now in diagnostic mode and AIR BAG warning lamp flashes. Refer to 

SRC-62, "Trouble Diag-

nosis without CONSULT-III"

.

>> END

Diagnosis Procedure (Component Diagnosis)

INFOID:0000000006163181

Recheck SRS after each replacement.

1.

HARNESS CONNECTOR

Is there any visible damage to the connector?
YES or NO

YES

>> Replace the harness.

NO

>> GO TO 2

2.

WIRING HARNESS

Is there any visible damage to the harness?
YES or NO

YES

>> Replace the harness.

NO

>> GO TO 3

3.

FRONT PASSENGER AIR BAG OFF INDICATOR

Replace the front passenger air bag off indicator.  Refer to 

IP-15, "Removal and Installation"

.

>> GO TO 4

4.

AIR BAG DIAGNOSIS SENSOR UNIT

Replace the air bag diagnosis sensor unit.  Refer to 

SR-15, "Removal and Installation"

.

>> GO TO 5

5.

RELATED HARNESS

Replace the related harness.

SRC-54

< DTC/CIRCUIT DIAGNOSIS >

B1023 PASSENGER AIR BAG OFF INDICATOR

>> END

B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM

SRC-55

< DTC/CIRCUIT DIAGNOSIS >

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B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM

Description

INFOID:0000000006163182

DTC B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM (OCS)

The OCS control unit is wired to the air bag diagnosis sensor unit.  The air bag diagnosis sensor unit will mon-

itor the OCS for failures and  interruptions in communication between the OCS control unit and the air bag

diagnosis sensor unit.

PART LOCATION

Refer to 

SRC-7, "SRS Component Parts Location"

.

DTC Logic

INFOID:0000000006163183

DTC DETECTION LOGIC 

With CONSULT-lll

Without CONSULT-lll

CONSULT-III name

DTC

DTC detecting condition

Repair order

OCCUPANT SENS C/U

[UNIT FAIL]

B1017 The OCS control unit is malfunctioning.

1.

Replace the RH front seat cushion assembly.  
Do not disassemble the seat cushion assem-
bly.

B1021

B1020

The OCS control unit is malfunctioning.

1.

Replace the harness if it has visible damage.

2.

Replace the RH front seat cushion assembly.  
Do not disassemble the seat cushion assem-
bly.

3.

Replace the RH front seat belt assembly.

OCCUPANT SENS

[UNIT FAIL]

B1018

The OCS sensor is malfunctioning.

1.

Visually check the wiring harness connection 
to the OCS sensor.

2.

Replace the RH front seat cushion assembly.  
Do not disassemble the seat cushion assem-
bly.

BELT TENSION SENS

[UNIT FAIL]

B1019

The belt tension sensor is malfunctioning.

1.

Visually check the wiring harness connection.

2.

Replace the harness if it has visible damage.

3.

Replace the RH front seat belt assembly.

4.

Replace the RH front seat cushion assembly.  
Do not disassemble the seat cushion assem-
bly.

5.

Replace the related harness.

OCCUPANT SENS C/U

[COMM FAIL]

B1022

Communication between the OCS control 
unit and the air bag diagnosis sensor unit is 
interrupted.

1.

Visually check the wiring harness connection.

2.

Replace the harness if it has visible damage.

3.

Replace the RH front seat cushion assembly.  
Do not disassemble the seat cushion assem-
bly.

4.

Replace the air bag diagnosis sensor unit.

5.

Replace the related harness.

WHIA0211E