Nissan Leaf. Manual - part 1121

B00D5 FRONT PASSENGER AIR BAG OFF INDICATOR

SRC-85

< DTC/CIRCUIT DIAGNOSIS >

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B00D5 FRONT PASSENGER AIR BAG OFF INDICATOR

Description

INFOID:0000000010877007

DTC B00D5 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-6, "Component Parts Location"

.

DTC Description

INFOID:0000000010877008

DTC DETECTION LOGIC

POSSIBLE CAUSE

[B00D5–04]

• Internal malfunction of front passenger air bag OFF indicator

• Internal malfunction of air bag diagnosis sensor unit

[B00D5–11]

• Connection malfunction or short circuit to ground of harness and connector

• Internal malfunction of front passenger air bag OFF indicator

• Internal malfunction of air bag diagnosis sensor unit

[B00D5–12]

• Connection malfunction or short circuit to power supply of harness and connector

• Internal malfunction of front passenger air bag OFF indicator

• Internal malfunction of air bag diagnosis sensor unit

[B00D5–13]

• Connection malfunction or open circuit of harness and connector

• Internal malfunction of front passenger air bag OFF indicator

• Internal malfunction of air bag diagnosis sensor unit

[B00D5–15]

• Connection malfunction or short circuit to power supply of harness and connector

• Connection malfunction or open circuit of harness and connector

• Internal malfunction of front passenger air bag OFF indicator

• Internal malfunction of air bag diagnosis sensor unit

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE (With CONSULT)

1.

CHECK SELF-DIAG RESULT

1. Turn ignition switch ON.

2. Check the DTC using CONSULT.

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B00D5–04

PASS A/B INDCTR CKT 
[Restraint System Passen-
ger Disable Indicator (Sub-
fault)]

[UNIT MALFUNC]

Malfunction in front passenger air bag OFF indicator circuit

B00D5–11

[GND-SHORT]

Front passenger air bag OFF indicator circuit is shorted to 
ground

B00D5–12

[VB-SHORT]

Front passenger air bag OFF indicator circuit is shorted to pow-
er supply circuit

B00D5–13

[OPEN]

Front passenger air bag OFF indicator circuit is open

B00D5–15

[PWE-SHORT/OPEN]

Front passenger air bag OFF indicator circuit is open or shorted 
to power supply circuit

SRC-86

< DTC/CIRCUIT DIAGNOSIS >

B00D5 FRONT PASSENGER AIR BAG OFF INDICATOR

Is the DTC detected?

YES (Current DTC)>>Refer to 

SRC-86, "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-86, "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-11, "On Board Diagnosis Function"

.

NOTE:

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

YES

>> Refer to 

SRC-86, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000010877009

1.

HARNESS CONNECTOR

Visually inspect all applicable harness connectors for the following:

• Visible damage to connector or terminal

• Loose terminal

• Poor connection

NOTE:

All harness connectors 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 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-53, "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.

B00D5 FRONT PASSENGER AIR BAG OFF INDICATOR

SRC-87

< DTC/CIRCUIT DIAGNOSIS >

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2. Turn ignition switch ON.

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

YES

>> GO TO 5.

NO

>> Refer to 

GI-53, "Intermittent Incident"

.

5.

PASSENGER AIR BAG OFF INDICATOR

1. Replace the passenger air bag off indicator. Refer to 

SR-44, "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.

AIR BAG DIAGNOSIS SENSOR UNIT

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

SR-38, "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.

>> END

SRC-88

< DTC/CIRCUIT DIAGNOSIS >

B1428 SEAT BELT BUCKLE SWITCH LH

B1428 SEAT BELT BUCKLE SWITCH LH

Description

INFOID:0000000010877010

DTC B1428 SEAT BELT BUCKLE SWITCH LH

The air bag diagnosis sensor unit monitors the seat belt buckle switch LH status. If the control unit detects an

open or short condition in the circuit, it will set the DTC.

PART LOCATION

Refer to 

SRC-6, "Component Parts Location"

.

DTC Description

INFOID:0000000010877011

DTC DETECTION LOGIC 

POSSIBLE CAUSE

[B1428-13]

• Connection malfunction or open circuit of harness or connector

• Internal malfunction of seat belt buckle switch LH

[B1428-12]

• Connection malfunction or short circuit to power supply of harness and connector

• Internal malfunction of seat belt buckle switch LH

[B1428-11]

• Connection malfunction or short circuit to ground of harness or connector

• Internal malfunction of seat belt buckle switch LH

[B1428-00]

• Internal malfunction of seat belt buckle switch LH

FAIL-SAFE

—

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-89, "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-89, "Diagnosis Procedure"

.

DTC CONFIRMATION PROCEDURE (Without CONSULT)

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B1428–13

SEAT BELT BUCKLE SW LH 
CIRCUIT

[OPEN]

Seat belt buckle switch LH circuit is open.

B1428–12

[VB-SHORT]

Seat belt buckle switch LH circuit is shorted to a power supply circuit.

B1428–11

[GND-SHORT]

Seat belt buckle switch LH circuit is shorted to ground.

B1428–00

[UNDEFINED]

Seat belt buckle switch LH circuit is malfunctioning.