Nissan Quest E52. Manual - part 1136

B1058, B1059, B1060, B1061, B1062, B1063 DIAGNOSIS SENSOR UNIT

SRC-73

< DTC/CIRCUIT DIAGNOSIS >

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B1058, B1059, B1060, B1061, B1062, B1063 DIAGNOSIS SENSOR UNIT

DTC Logic

INFOID:0000000009649891

DTC DETECTION LOGIC

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-15, "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-73, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009649892

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 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-73, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 1.

NO

>> INSPECTION END

DTC

Display contents of 

CONSULT

DTC detecting condition

Possible cause

B1058
B1059
B1060
B1061
B1062
B1063

CONTROL UNIT 

Air bag diagnosis sensor unit is malfunctioning

Malfunction in air bag diagnosis sensor unit

SRC-74

< DTC/CIRCUIT DIAGNOSIS >

B1065, B1070 PASSENGER AIR BAG MODULE

B1065, B1070 PASSENGER AIR BAG MODULE

DTC Logic

INFOID:0000000009649893

DTC DETECTION LOGIC

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-15, "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-74, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009649894

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 HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connector.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

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-74, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> INSPECTION END

4.

REPLACE PASSENGER AIR BAG MODULE

1.

Replace passenger air bag module. Refer to 

SR-18, "Removal and Installation"

2.

Perform DTC confirmation procedure. Refer to 

SRC-74, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 1.

DTC

Display contents of 

CONSULT

DTC detecting condition

Possible cause

B1065
B1070

ASSIST A/B MODULE 
[OPEN]

Passenger air bag module circuit is open

• Disconnection of wiring harness and open
• Malfunction in passenger air bag module
• Malfunction in air bag diagnosis sensor unit

B1065, B1070 PASSENGER AIR BAG MODULE

SRC-75

< DTC/CIRCUIT DIAGNOSIS >

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NO

>> INSPECTION END

SRC-76

< DTC/CIRCUIT DIAGNOSIS >

B1066, B1071 PASSENGER AIR BAG MODULE

B1066, B1071 PASSENGER AIR BAG MODULE

DTC Logic

INFOID:0000000009649895

DTC DETECTION LOGIC

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-15, "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-76, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009649896

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 HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connector.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

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-76, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> INSPECTION END

4.

REPLACE PASSENGER AIR BAG MODULE

1.

Replace passenger air bag module. Refer to 

SR-18, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-76, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 1.

DTC

Display contents of CON-

SULT

DTC detecting condition

Possible cause

B1066
B1071

ASSIST A/B MODULE 
[VB-SHORT]

Passenger air bag module circuit is 
shorted to power supply circuit

• Disconnection of wiring harness and short
• Malfunction in passenger air bag module
• Malfunction in air bag diagnosis sensor unit