Nissan March K13. Manual - part 621

B1033, B1034 CRASH ZONE SENSOR

SRC-23

< DTC/CIRCUIT DIAGNOSIS >

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B1033, B1034 CRASH ZONE SENSOR

Description

INFOID:0000000005987876

Crash zone sensor is a G sensor that outputs voltage signal during deceleration at the time of a vehicle frontal
collision that is more than the specified limit is detected. 

DTC Logic

INFOID:0000000005987877

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

 With CONSULT-III

1.

Turn ignition switch ON.

2.

Perform “AIR BAG” Self Diagnostic Result.

 Without CONSULT-III

1.

Turn ignition switch ON.

2.

Check the air bag warning lamp status. Refer to 

SRC-7, "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-23, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005987878

WARNING:

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

or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device.

1.

CHECK HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connectors.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

REPLACE CRASH ZONE SENSOR

1.

Replace crash zone sensor. Refer to 

SR-25, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-23, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> INSPECTION END

4.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

DTC

Display contents of

CONSULT-III

DTC detecting condition

Possible cause

B1033
B1034

CRASH ZONE SENSOR 
[UNIT FAIL]

Crash zone sensor is malfunctioning

• Disconnection of wiring harness
• Malfunction in crash zone sensor
• Malfunction in air bag diagnosis sensor unit

SRC-24

< DTC/CIRCUIT DIAGNOSIS >

B1033, B1034 CRASH ZONE SENSOR

1.

Replace air bag diagnosis sensor unit. Refer to 

SR-29, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-23, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 1.

NO

>> INSPECTION END

B1035 CRASH ZONE SENSOR

SRC-25

< DTC/CIRCUIT DIAGNOSIS >

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B1035 CRASH ZONE SENSOR

Description

INFOID:0000000005987879

Crash zone sensor is a G sensor that outputs voltage signal during deceleration at the time of a vehicle frontal
collision that is more than the specified limit is detected. 

DTC Logic

INFOID:0000000005987880

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

 With CONSULT-III

1.

Turn ignition switch ON.

2.

Perform “AIR BAG” Self Diagnostic Result.

 Without CONSULT-III

1.

Turn ignition switch ON.

2.

Check the air bag warning lamp status. Refer to 

SRC-7, "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-25, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005987881

WARNING:

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

or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device. 

1.

CHECK HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connectors.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

REPLACE CRASH ZONE SENSOR

1.

Replace crash zone sensor. Refer to 

SR-25, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-25, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> INSPECTION END

4.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

DTC

Display contents of 

CONSULT-III

DTC detecting condition

Possible cause

B1035

CRASH ZONE SEN-
SOR 
[COMM FAIL]

Crash zone sensor is malfunctioning 

• Disconnection of wiring harness
• Malfunction in crash zone sensor
• Malfunction in air bag diagnosis sensor unit

SRC-26

< DTC/CIRCUIT DIAGNOSIS >

B1035 CRASH ZONE SENSOR

1.

Replace air bag diagnosis sensor unit. Refer to 

SR-29, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-25, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 1.

NO

>> INSPECTION END