Nissan Altima HL32 Hybrid. Manual - part 1038

B1XXX AIR BAG DIAGNOSIS SENSOR UNIT

SRC-49

< COMPONENT DIAGNOSIS >

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B1XXX AIR BAG DIAGNOSIS SENSOR UNIT

Description

INFOID:0000000004496008

DTC B1XXX AIR BAG DIAGNOSIS SENSOR UNIT

The air bag diagnosis sensor unit will run self diagnostics when the ignition switch is turned ON.  It has the

potential to set many diagnostic trouble codes which will conform to the B1XXX format, but will not match any

other SRS diagnostic trouble codes.  Refer to 

SRC-67, "Trouble Diagnosis with CONSULT-III"

.

PART LOCATION

Refer to 

SRC-7, "SRS Component Parts Location"

.

DTC Logic

INFOID:0000000004496009

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-50, "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.

>> GO TO 2

CONSULT-III name

DTC

DTC detecting condition

Repair order

CONTROL UNIT

B1XXX

Air bag diagnosis sensor unit is malfunc-
tioning.

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 related harness.

WHIA0198E

SRC-50

< COMPONENT DIAGNOSIS >

B1XXX AIR BAG DIAGNOSIS SENSOR UNIT

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-70, "Trouble Diag-

nosis without CONSULT-III"

.

>> END

Diagnosis Procedure (Component Diagnosis)

INFOID:0000000004496010

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.

AIR BAG DIAGNOSIS SENSOR UNIT

Replace the air bag diagnosis sensor unit.  Refer to 

SRS-16, "Removal and Installation"

.

>> GO TO 4

4.

RELATED HARNESS

Replace the related harness.

>> END

B1023 PASSENGER AIR BAG OFF INDICATOR

SRC-51

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B1023 PASSENGER AIR BAG OFF INDICATOR

Description

INFOID:0000000004496011

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:0000000004496012

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-52, "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

SRC-52

< COMPONENT DIAGNOSIS >

B1023 PASSENGER AIR BAG OFF INDICATOR

>> 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-70, "Trouble Diag-

nosis without CONSULT-III"

.

>> END

Diagnosis Procedure (Component Diagnosis)

INFOID:0000000004496013

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.  

IP-12, "Removal and Installation"

.

>> GO TO 4

4.

AIR BAG DIAGNOSIS SENSOR UNIT

Replace the air bag diagnosis sensor unit.  Refer to 

SRS-16, "Removal and Installation"

.

>> GO TO 5

5.

RELATED HARNESS

Replace the related harness.