Nissan Juke F15. Manual — part 1178

B1422 SIDE COLLISION DETECTION

SRC-77

< DTC/CIRCUIT DIAGNOSIS >

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B1422 SIDE COLLISION DETECTION

DTC Description

INFOID:0000000012199630

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Malfunction of side-related parts

• Internal malfunction of air bag diagnosis sensor unit

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

With CONSULT

1. Turn ignition switch ON.

2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT.

Without CONSULT

1. Turn ignition switch ON.

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

SRC-10, "On Board Diagnosis Function"

.

NOTE:

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

YES

>> Refer to

SRC-77, "Diagnosis Procedure"

.

NO-1 >> To check malfunction symptom before repair: Refer to

GI-45, "Intermittent Incident"

.

NO-2 >> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000012199631

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3

minutes or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device.

1.

PERFORM COLLISION DIAGNOSIS

Perform collision diagnosis. Refer to

SR-8, "FOR SIDE AND ROLLOVER COLLISION : When SRS is acti-

vated in a collision"

or

SR-9, "FOR SIDE AND ROLLOVER COLLISION : When SRS is not activated in a colli-

sion"

.

>> GO TO 2.

2.

FINAL INSPECTION

Perform “AIR BAG” Self Diagnostic Result.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Perform diagnosis of applicable DTC. Refer to

SRC-17, "DTC Index"

.

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B1422–00

SIDE COLLISION
(Firing Record, Side)

Side air bag and curtain air bag are deployed

SRC-78

< DTC/CIRCUIT DIAGNOSIS >

B1425 REAR COLLISION DETECTION

B1425 REAR COLLISION DETECTION

DTC Description

INFOID:0000000012199632

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Malfunction of rear crash-related parts

• Internal malfunction of air bag diagnosis sensor unit

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

With CONSULT

1. Turn ignition switch ON.

2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT.

Without CONSULT

1. Turn ignition switch ON.

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

SRC-10, "On Board Diagnosis Function"

.

NOTE:

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

YES

>> Refer to

SRC-78, "Diagnosis Procedure"

.

NO-1 >> To check malfunction symptom before repair: Refer to

GI-45, "Intermittent Incident"

.

NO-2 >> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000012199633

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3

minutes or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device.

1.

PERFORM COLLISION DIAGNOSIS

Perform collision diagnosis. Refer to

SR-8, "FOR SIDE AND ROLLOVER COLLISION : When SRS is acti-

vated in a collision"

or

SR-9, "FOR SIDE AND ROLLOVER COLLISION : When SRS is not activated in a colli-

sion"

.

>> GO TO 2.

2.

FINAL INSPECTION

Perform “AIR BAG” Self Diagnostic Result.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Perform diagnosis of applicable DTC. Refer to

SRC-17, "DTC Index"

.

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B1425–00

REAR COLLISION
(Rear Crash Detect)

Rear collision detected

B142A IGN VOLTAGE

SRC-79

< DTC/CIRCUIT DIAGNOSIS >

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B142A IGN VOLTAGE

DTC Description

INFOID:0000000012199634

DTC DETECTION LOGIC

POSSIBLE CAUSE

[B142A–16]

• Malfunction of battery voltage (low voltage)

• Connection malfunction of harness or connector

• Internal malfunction of air bag diagnosis sensor unit

[B142A–17]

• Malfunction of battery voltage (high voltage)

• Connection malfunction of harness or connector

• Internal malfunction of air bag diagnosis sensor unit

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

With CONSULT

1. Turn ignition switch ON.

2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT.

Without CONSULT

1. Turn ignition switch ON.

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

SRC-10, "On Board Diagnosis Function"

.

NOTE:

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

YES

>> Refer to

SRC-79, "Diagnosis Procedure"

.

NO-1 >> To check malfunction symptom before repair: Refer to

GI-45, "Intermittent Incident"

.

NO-2 >> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000012199635

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3

minutes or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device.

1.

CHECK BATTERY VOLTAGE

Check battery voltage.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace battery. Refer to

PG-105, "Removal and Installation"

.

2.

CHECK HARNESS CONNECTOR

Check the harness connector for disconnection, looseness or damage.
Is the inspection result normal?

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B142A–16

IGNITION VOLTAGE
(Ignition voltage Low)

[VB-LOW]

Power supply malfunction (low voltage) of air bag diagnosis sensor unit

B142A–17

IGNITION VOLTAGE
(Ignition voltage High)

[VB-HIGH]

Power supply malfunction (high voltage) of air bag diagnosis sensor unit

SRC-80

< DTC/CIRCUIT DIAGNOSIS >

B142A IGN VOLTAGE

YES

>> GO TO 3.

NO–1 >> Damage: Replace malfunctioning harness and connector.

NO–2 >> Disconnection or looseness: Securely lock the connector.

3.

CHECK WIRING HARNESS

Check the wiring harness externals.
Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace malfunctioning harness and connector.

4.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1. Replace air bag diagnosis sensor unit. Refer to

SR-29, "Removal and Installation"

.

2. Perform DTC confirmation procedure. Refer to

SRC-79, "DTC Description"

.

Is DTC detected?

YES

>> GO TO 1.

NO

>> INSPECTION END