Nissan Leaf. Manual - part 1120

B0098 FRONT DOOR SATELLITE SENSOR RH

SRC-81

< DTC/CIRCUIT DIAGNOSIS >

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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-53, "Intermittent Incident"

.

5.

FRONT DOOR SATELLITE SENSOR RH

1. Replace the front door satellite sensor RH. Refer to 

SR-35, "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-82

< DTC/CIRCUIT DIAGNOSIS >

B00A0 OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT

B00A0 OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT

Description

INFOID:0000000010877004

DTC B00A0 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-6, "Component Parts Location"

.

DTC Description

INFOID:0000000010877005

DTC DETECTION LOGIC

POSSIBLE CAUSE

OCCUPANT SENS

• [B00A0–00]

- Connection malfunction or short circuit to power supply of harness or connector

- Internal malfunction of occupant detection sensor

- Internal malfunction of air bag diagnosis sensor unit

• [B00A0–02, B00A0–09]

- Connection malfunction of harness and connector

- Internal malfunction of occupant detection sensor

- Internal malfunction of air bag diagnosis sensor unit

OCCUPANT SENS C/U

• [B00A0–04, B00A0–83, B00A0–86, B00A0–87, B00A0–88, B00A0–8F]

- Connection malfunction or open circuit of harness and connector

- Internal malfunction of occupant detection sensor control unit

- Internal malfunction of air bag diagnosis sensor unit

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B00A0–00

OCCUPANT SENS
[Occupant Classification 
System (Subfault)]

[ABNORMAL VOLTAGE]

Power supply malfunction of occupant detection sensor

B00A0–02

[UNIT MALFUNC]

Malfunction of occupant detection sensor

B00A0–09

[UNIT MALFUNC]

Malfunction of occupant detection sensor

B00A0–04

OCCUPANT SENS C/U 
[Occupant Classification 
System (Subfault)]

[UNIT MALFUNC]

Malfunction of occupant detection sensor control unit

B00A0–83

[COMM ERR]

• Communication malfunction of occupant detection sensor con-

trol unit

• Communication blank of occupant detection sensor control 

unit

B00A0–86

[COMM ERR]

• Communication malfunction of occupant detection sensor con-

trol unit

• Communication blank of occupant detection sensor control 

unit

B00A0–87

[COMM ERR]

• Communication malfunction of occupant detection sensor con-

trol unit

• Communication blank of occupant detection sensor control 

unit

B00A0–88

[COMM ERR]

• Communication malfunction of occupant detection sensor con-

trol unit

• Communication blank of occupant detection sensor control 

unit

B00A0–8F

[UNDEFINED]

Undefined status of occupant detection sensor control unit

B00A0–93

[RESET]

Reset malfunction of occupant detection sensor control unit

B00A0 OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT

SRC-83

< DTC/CIRCUIT DIAGNOSIS >

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• [B00A0–93]

- Connection malfunction of harness and connector

- Internal malfunction of occupant detection sensor control unit

- 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.
Is the DTC detected?

YES (Current DTC)>>Refer to 

SRC-83, "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-83, "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-83, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000010944825

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 unit to the end component (including

any in-line connectors)

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Perform 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"

.

SRC-84

< DTC/CIRCUIT DIAGNOSIS >

B00A0 OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT

3.

WIRING HARNESS

Check the wiring harness for visible damage

NOTE:

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

(including and 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-53, "Intermittent Incident"

.

5.

REPLACE OCS CONTROL UNIT AND SENSORS

1. Replace the OCS control unit and sensors. Refer to 

SR-42, "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.