Nissan Sentra. Manual — part 791

SEC-192

< SYMPTOM DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS SYMPTOMS

SYMPTOM DIAGNOSIS

NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS SYMPTOMS

Symptom Table

INFOID:0000000009756842

NOTE:

• Before performing the diagnosis in the following table, check “

SEC-171, "Work Flow"

”.

• Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and

check each symptom.

• If the following symptoms are detected, check systems shown in the “Diagnosis/service procedure” column

in this order.

CONDITIONS OF VEHICLE (OPERATING CONDITIONS)

• Mechanical key is not inserted into key cylinder.

Symptom

Diagnosis/service procedure

Reference page

Security indicator does not turn ON or flash.

1. Check vehicle security indicator

SEC-190

2. Check Intermittent Incident

GI-39

NATS ANTENNA AMP.

SEC-193

< REMOVAL AND INSTALLATION >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

REMOVAL AND INSTALLATION

NATS ANTENNA AMP.

Removal and Installation

INFOID:0000000009756843

REMOVAL

1. Remove instrument finisher B. Refer to

IP-14, "Exploded View"

.

2. Using a suitable tool release the pawls on either side and remove the NATS antenna amp. from the push-

button ignition switch.

INSTALLATION

Installation is in the reverse order of removal.

SRC-1

RESTRAINTS

C

D

E

F

G

I

J

K

L

M

SECTION

SRC

A

B

SRC

N

O

P

CONTENTS

SRS AIRBAG CONTROL SYSTEM

PRECAUTION . . . . . . . . . . . ...

4

PRECAUTIONS . . . . . . . . . . . . ...

4

Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" . . . . . . . . . . . . . . . . ...

4

Service . . . . . . . . . . . . . . . . . ..

4

SYSTEM DESCRIPTION . . . . . . . ..

5

COMPONENT PARTS . . . . . . . . . .

5

Component Parts Location . . . . . . . . . ....

5

Component Description . . . . . . . . . . .....

6

Driver Air Bag Module . . . . . . . . . . . ...

7

Front Passenger Air Bag Module . . . . . . . ..

7

Front Side Air Bag Module . . . . . . . . . ....

7

Side Curtain Air Bag Module . . . . . . . . .....

7

Front Seat Belt Pre-tensioner . . . . . . . . ....

8

Air Bag Diagnosis Sensor Unit . . . . . . . . ..

8

Crash Zone Sensor . . . . . . . . . . . . ...

8

Front Side Air Bag Satellite Sensor . . . . . . ...

8

Rear Side Air Bag Satellite Sensor . . . . . . ...

9

Front Door Satellite Sensor . . . . . . . . . ...

9

SRS Component Connectors . . . . . . . . ....

9

SYSTEM . . . . . . . . . . . . . . . .

11

SRS AIR BAG SYSTEM . . . . . . . . . . .

11

SRS AIR BAG SYSTEM : System Diagram . . .

11

SRS AIR BAG SYSTEM : System Description . ...

11

OCCUPANT CLASSIFICATION SYSTEM . . . .

11

OCCUPANT CLASSIFICATION SYSTEM : Sys-
tem Diagram . . . . . . . . . . . . . . .

12

OCCUPANT CLASSIFICATION SYSTEM : Sys-
tem Description . . . . . . . . . . . . . ...

12

SEAT BELT WARNING LAMP SYSTEM . . . . ..

13

SEAT BELT WARNING LAMP SYSTEM : System
Diagram . . . . . . . . . . . . . . . . ...

13

SEAT BELT WARNING LAMP SYSTEM : System
Description . . . . . . . . . . . . . . . ..

14

DIAGNOSIS SYSTEM (AIR BAG) . . . . .

15

Description . . . . . . . . . . . . . . . ...

15

On Board Diagnosis Function . . . . . . . . ..

15

Trouble Diagnosis with CONSULT . . . . . . ..

16

Trouble Diagnosis without CONSULT . . . . . .

17

SRS History Check . . . . . . . . . . . . ..

17

SRS Final Check . . . . . . . . . . . . . .

17

CONSULT Function (AIR BAG) . . . . . . . ...

17

CONSULT Function (OCCUPANT DETECTION) .

17

ECU DIAGNOSIS INFORMATION . . . ..

19

DIAGNOSIS SENSOR UNIT . . . . . . . .

19

DTC Index . . . . . . . . . . . . . . . ...

19

Flash Code Index . . . . . . . . . . . . .

23

WIRING DIAGRAM . . . . . . . . . ..

26

SRS AIR BAG SYSTEM . . . . . . . . ...

26

Wiring Diagram . . . . . . . . . . . . . .

26

BASIC INSPECTION . . . . . . . . ...

38

DIAGNOSIS AND REPAIR WORK FLOW . ...

38

Work Flow . . . . . . . . . . . . . . . .

38

INSPECTION AND ADJUSTMENT . . . . ..

41

ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT . . . . . . . . . . . . . .

41

ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description . . . . . . . . .

41

ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement . ..

41

ZERO POINT RESET . . . . . . . . . . . . .

41

ZERO POINT RESET : Description . . . . . . .

41

ZERO POINT RESET : Special Repair Require-
ment . . . . . . . . . . . . . . . . . . .

41

INTERMITTENT INCIDENT . . . . . . . ..

42

Inspection Procedure . . . . . . . . . . . ..

42

Trouble Diagnosis with CONSULT . . . . . . ..

42

SRC-2

DTC/CIRCUIT DIAGNOSIS . . . . . . .

43

U1000 CAN COMM CIRCUIT . . . . . . .

43

Description . . . . . . . . . . . . . . . ..

43

DTC Logic . . . . . . . . . . . . . . . ...

43

Diagnosis Procedure . . . . . . . . . . . ..

43

U1010 CONTROL UNIT (CAN) . . . . . . .

44

Description . . . . . . . . . . . . . . . ..

44

DTC Logic . . . . . . . . . . . . . . . ...

44

Diagnosis Procedure . . . . . . . . . . . ..

44

B0001, B0002 DRIVER AIRBAG MODULE . ..

45

Description . . . . . . . . . . . . . . . ..

45

DTC Logic . . . . . . . . . . . . . . . ...

45

Diagnosis Procedure . . . . . . . . . . . ..

46

B0010, B0011 PASSENGER AIRBAG MOD-
ULE . . . . . . . . . . . . . . . . .

48

Description . . . . . . . . . . . . . . . ..

48

DTC Logic . . . . . . . . . . . . . . . ...

48

Diagnosis Procedure . . . . . . . . . . . ..

49

B0020 SIDE AIRBAG MODULE LH . . . . ..

51

Description . . . . . . . . . . . . . . . ..

51

DTC Logic . . . . . . . . . . . . . . . ...

51

Diagnosis Procedure . . . . . . . . . . . ..

51

B0021 SIDE CURTAIN AIR BAG MODULE LH

...

54

Description . . . . . . . . . . . . . . . ..

54

DTC Logic . . . . . . . . . . . . . . . ...

54

Diagnosis Procedure . . . . . . . . . . . ..

54

B0028 SIDE AIRBAG MODULE RH . . . . .

57

Description . . . . . . . . . . . . . . . ..

57

DTC Logic . . . . . . . . . . . . . . . ...

57

Diagnosis Procedure . . . . . . . . . . . ..

57

B0029 SIDE CURTAIN AIR BAG MODULE
RH . . . . . . . . . . . . . . . . . ..

60

Description . . . . . . . . . . . . . . . ..

60

DTC Logic . . . . . . . . . . . . . . . ...

60

Diagnosis Procedure . . . . . . . . . . . ..

60

B0091 FRONT SIDE AIR BAG SATELLITE
SENSOR LH . . . . . . . . . . . . . ..

63

Description . . . . . . . . . . . . . . . ..

63

DTC Logic . . . . . . . . . . . . . . . ...

63

Diagnosis Procedure . . . . . . . . . . . ..

64

B0092 REAR SIDE AIR BAG SATELLITE
SENSOR LH . . . . . . . . . . . . . ..

66

Description . . . . . . . . . . . . . . . ..

66

DTC Logic . . . . . . . . . . . . . . . ...

66

Diagnosis Procedure . . . . . . . . . . . ..

67

B0093 FRONT DOOR SATELLITE SENSOR
LH . . . . . . . . . . . . . . . . . ...

69

Description . . . . . . . . . . . . . . . ..

69

DTC Logic . . . . . . . . . . . . . . . ...

69

Diagnosis Procedure . . . . . . . . . . . ...

70

B0094 CRASH ZONE SENSOR . . . . . .

72

Description . . . . . . . . . . . . . . . ..

72

DTC Logic . . . . . . . . . . . . . . . ...

72

Diagnosis Procedure . . . . . . . . . . . ...

73

B0096 FRONT SIDE AIR BAG SATELLITE
SENSOR RH . . . . . . . . . . . . . ..

75

Description . . . . . . . . . . . . . . . ..

75

DTC Logic . . . . . . . . . . . . . . . ...

75

Diagnosis Procedure . . . . . . . . . . . ...

76

B0097 REAR SIDE AIR BAG SATELLITE
SENSOR RH . . . . . . . . . . . . . ..

78

Description . . . . . . . . . . . . . . . ..

78

DTC Logic . . . . . . . . . . . . . . . ...

78

Diagnosis Procedure . . . . . . . . . . . ...

79

B0098 FRONT DOOR SATELLITE SENSOR
RH . . . . . . . . . . . . . . . . . ..

81

Description . . . . . . . . . . . . . . . ..

81

DTC Logic . . . . . . . . . . . . . . . ...

81

Diagnosis Procedure . . . . . . . . . . . ...

82

B1428 SEAT BELT BUCKLE SWITCH LH . ...

84

Description . . . . . . . . . . . . . . . ..

84

DTC Logic . . . . . . . . . . . . . . . ...

84

Diagnosis Procedure . . . . . . . . . . . ...

84

B1429 SEAT BELT BUCKLE SWITCH RH . ..

87

Description . . . . . . . . . . . . . . . ..

87

DTC Logic . . . . . . . . . . . . . . . ...

87

Diagnosis Procedure . . . . . . . . . . . ...

87

B1430, B1432 SEAT BELT PRE-TENSIONER
LH . . . . . . . . . . . . . . . . . ..

90

Description . . . . . . . . . . . . . . . ..

90

DTC Logic . . . . . . . . . . . . . . . ...

90

Diagnosis Procedure . . . . . . . . . . . ...

91

B1431, B1433 SEAT BELT PRE-TENSIONER
RH . . . . . . . . . . . . . . . . . ..

93

Description . . . . . . . . . . . . . . . ..

93

DTC Logic . . . . . . . . . . . . . . . ...

93

Diagnosis Procedure . . . . . . . . . . . ...

94

B142A IGNITION VOLTAGE . . . . . . . .

96

Description . . . . . . . . . . . . . . . ..

96

DTC Logic . . . . . . . . . . . . . . . ...

96

Diagnosis Procedure . . . . . . . . . . . ...

96

B142X COLLISION DETECTION . . . . . ..

98

Description . . . . . . . . . . . . . . . ..

98

DTC Logic . . . . . . . . . . . . . . . ...

98

Diagnosis Procedure . . . . . . . . . . . ...

98

B14XX AIR BAG DIAGNOSIS SENSOR UNIT ...

99

Description . . . . . . . . . . . . . . . ..

99

DTC Logic . . . . . . . . . . . . . . . ...

99

Diagnosis Procedure . . . . . . . . . . . ...

99