Nissan Quest E52. Manual - part 1123

DIAGNOSIS SYSTEM (OCCUPANT DETECTION SYSTEM)

SRC-21

< SYSTEM DESCRIPTION >

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DIAGNOSIS SYSTEM (OCCUPANT DETECTION SYSTEM)

CONSULT Function

INFOID:0000000009649847

ZERO POINT RESET DESCRIPTION

This vehicle adopts occupant detection system with a weight detecting method. When replacing, or removing
and installing passenger seat, always perform “zero point rest” so that the vehicle recognizes zero point.
If zero point reset is incomplete, occupant detection seat sensor does not operate normally.

WORK SUPPORT

Monitor item

Description

Zero point reset function

Perform zero point reset. Refer to 

SRC-41, "ZERO POINT RE-

SET : Special Repair Requirement"

.

SRC-22

< ECU DIAGNOSIS INFORMATION >

DIAGNOSIS SENSOR UNIT

ECU DIAGNOSIS INFORMATION

DIAGNOSIS SENSOR UNIT

DTC Index

INFOID:0000000009649848

DTC

Diagnostic item

Explanation

Reference page

—

NO DTC IS DETECTED.

When malfunction is 
indicated by the “AIR 
BAG” warning lamp in 
the user mode

Low battery voltage (Less than 9 V) or 
High battery voltage (more than 16 V)

SRC-19, "CON-
SULT Function"

.

Occupant detection function is dis-
abled

SRC-19, "CON-
SULT Function"

.

Zero point reset is incomplete

SRC-21, "CON-
SULT Function"

Self-diagnostic result is not erased af-
ter repair

SRC-15, "On 
Board Diagnosis 
Function"

, 

SRC-

19, "CONSULT 
Function"

.

Intermittent malfunction is detected in 
the past

GI-42, "Intermit-
tent Incident"

No malfunction is detected

—

B1001-B1005

CONTROL UNIT

Air bag diagnosis sensor unit is malfunctioning

SRC-43, "DTC 
Logic"

.

B1006-B1010

CONTROL UNIT

Air bag diagnosis sensor unit is malfunctioning

SRC-44, "DTC 
Logic"

.

B1011-B1015

CONTROL UNIT

Air bag diagnosis sensor unit is malfunctioning

SRC-45, "DTC 
Logic"

.

B1017
B1020
B1021

OCCUPANT SENS C/U
[UNIT FAIL]

Malfunction occurs in occupant detection system control unit

SRC-46, "DTC 
Logic"

B1018

OCCUPANT SENS 
[UNIT FAIL]

Malfunction occurs in occupant detection system sensor

SRC-48, "DTC 
Logic"

B1022

OCCUPANT SENS C/U
[COMM FAIL]

Malfunction occurs in occupant detection system control unit, 
circuit of occupant detection system control unit, or air bag di-
agnosis sensor unit

SRC-50, "DTC 
Logic"

B1023

PASS A/B INDCTR CKT
[UNIT FAIL]

Passenger air bag OFF indicator circuit is open or shorted to 
ground or the circuits are shorted each other

SRC-52, "DTC 
Logic"

B1025
B1032
B1048

OCS SENSOR

Malfunction occurs in occupant detection system control unit, 
circuit of occupant detection system control unit, or air bag di-
agnosis sensor unit

SRC-54, "DTC 
Logic"

B1026-B1031

CONTROL UNIT

Air bag diagnosis sensor unit is malfunctioning

SRC-56, "DTC 
Logic"

.

B1033
B1034

CRASH ZONE SEN
[UNIT FAIL]

Crash zone sensor is malfunctioning

SRC-57, "DTC 
Logic"

.

B1035

CRASH ZONE SEN
[COMM FAIL]

Crash zone sensor is malfunctioning 

SRC-59, "DTC 
Logic"

.

B1036

CRASH ZONE SEN
[UNMATCH]

Crash zone sensor is out of the specified specification

SRC-61, "DTC 
Logic"

.

B1037
B1039
B1041

CRASH ZONE SENS1

Crash zone sensor is malfunctioning

SRC-62, "DTC 
Logic"

.

B1042-B1047

CONTROL UNIT

Air bag diagnosis sensor unit is malfunctioning

SRC-64, "DTC 
Logic"

.

B1049
B1054

DRIVER AIRBAG MODULE
[OPEN]

Driver air bag module circuit is open (including the spiral cable)

SRC-65, "DTC 
Logic"

.

DIAGNOSIS SENSOR UNIT

SRC-23

< ECU DIAGNOSIS INFORMATION >

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B1050
B1055

DRIVER AIRBAG MODULE
[VB-SHORT]

Driver air bag module circuit is shorted to power supply circuit 
(including the spiral cable)

SRC-67, "DTC 
Logic"

.

B1051
B1056

DRIVER AIRBAG MODULE
[GND-SHORT]

Driver air bag module circuit is shorted to ground (including the 
spiral cable)

SRC-69, "DTC 
Logic"

.

B1052
B1057

DRIVER AIRBAG MODULE
[SHORT]

Driver air bag module circuits are shorted to each other (includ-
ing spiral cable)

SRC-71, "DTC 
Logic"

.

B1058-B1063

CONTROL UNIT

Air bag diagnosis sensor unit is malfunctioning

SRC-73, "DTC 
Logic"

.

B1065
B1070

ASSIST A/B MODULE
[OPEN]

Passenger air bag module circuit is open

SRC-74, "DTC 
Logic"

.

B1066
B1071

ASSIST A/B MODULE
[VB-SHORT]

Passenger air bag module circuit is shorted to power supply 
circuit

SRC-76, "DTC 
Logic"

.

B1067
B1072

ASSIST A/B MODULE
[GND-SHORT]

Passenger air bag module circuit is shorted to ground

SRC-78, "DTC 
Logic"

.

B1068
B1073

ASSIST A/B MODULE
[SHORT]

Passenger air bag module circuits are shorted to each other

SRC-80, "DTC 
Logic"

.

B1074-B1079

CONTROL UNIT

Air bag diagnosis sensor unit is malfunctioning

SRC-82, "DTC 
Logic"

.

B1080
B1096

DRIVER AIRBAG MODULE
[SHORT]

Driver air bag module circuits are shorted to each other (includ-
ing spiral cable)

SRC-83, "DTC 
Logic"

.

B1081

PRE-TEN FRONT RH
[OPEN]

Seat belt pre-tensioner RH circuit is open

SRC-85, "DTC 
Logic"

.

B1082

PRE-TEN FRONT RH
[VB-SHORT]

Seat belt pre-tensioner RH circuit is shorted to power supply 
circuit

SRC-87, "DTC 
Logic"

.

B1083

PRE-TEN FRONT RH
[GND-SHORT]

Seat belt pre-tensioner RH circuit is shorted to ground

SRC-89, "DTC 
Logic"

.

B1084

PRE-TEN FRONT RH
[SHORT]

Seat belt pre-tensioner RH circuits are shorted to each other

SRC-91, "DTC 
Logic"

.

B1086

PRE-TEN FRONT LH
[OPEN]

Seat belt pre-tensioner LH circuit is open

SRC-93, "DTC 
Logic"

.

B1087

PRE-TEN FRONT LH
[VB-SHORT]

Seat belt pre-tensioner LH circuit is shorted to power supply 
circuit

SRC-95, "DTC 
Logic"

.

B1088

PRE-TEN FRONT LH
[GND-SHORT]

Seat belt pre-tensioner LH circuit is shorted to ground

SRC-97, "DTC 
Logic"

.

B1089

PRE-TEN FRONT LH
[SHORT]

Seat belt pre-tensioner LH circuits are shorted to each other

SRC-99, "DTC 
Logic"

.

B1090-B1095

CONTROL UNIT

Air bag diagnosis sensor unit is malfunctioning

SRC-101, "DTC 
Logic"

.

B1106-B1111

CONTROL UNIT

Air bag diagnosis sensor unit is malfunctioning

SRC-102, "DTC 
Logic"

.

B1113
B1114

SATELLITE SENS RH
[UNIT FAIL]

Front satellite sensor RH is malfunctioning

SRC-103, "DTC 
Logic"

.

B1115

SATELLITE SENS RH
[COMM FAIL]

Front satellite sensor RH is malfunctioning 

SRC-105, "DTC 
Logic"

.

B1116

SATELLITE SENS RH
[UNMATCH]

Front satellite sensor RH is out of the specified specification

SRC-107, "DTC 
Logic"

.

B1118
B1119

SATELLITE SENS LH
[UNIT FAIL]

Front satellite sensor LH is malfunctioning

SRC-108, "DTC 
Logic"

.

B1120

SATELLITE SENS LH
[COMM FAIL]

Front satellite sensor LH is malfunctioning 

SRC-110, "DTC 
Logic"

.

B1121

SATELLITE SENS LH
[UNMATCH]

Front satellite sensor LH is out of the specified specification

SRC-112, "DTC 
Logic"

.

DTC

Diagnostic item

Explanation

Reference page

SRC-24

< ECU DIAGNOSIS INFORMATION >

DIAGNOSIS SENSOR UNIT

B1122-B1127

CONTROL UNIT

Air bag diagnosis sensor unit is malfunctioning

SRC-113, "DTC 
Logic"

.

B1129

SIDE MODULE RH
[OPEN]

Side air bag module RH circuit is open

SRC-114, "DTC 
Logic"

.

B1130

SIDE MODULE RH
[VB-SHORT]

Side air bag module RH circuit is shorted to power supply cir-
cuit

SRC-116, "DTC 
Logic"

.

B1131

SIDE MODULE RH
[GND-SHORT]

Side air bag module RH circuit is shorted to ground

SRC-118, "DTC 
Logic"

.

B1132

SIDE MODULE RH
[SHORT]

Side air bag module RH circuits are shorted to each other

SRC-120, "DTC 
Logic"

.

B1134

SIDE MODULE LH
[OPEN]

Side air bag module LH circuit is open

SRC-122, "DTC 
Logic"

.

B1135

SIDE MODULE LH
[VB-SHORT]

Side air bag module LH circuit is shorted to power supply circuit

SRC-124, "DTC 
Logic"

.

B1136

SIDE MODULE LH
[GND-SHORT]

Side air bag module LH circuit is shorted to ground

SRC-126, "DTC 
Logic"

.

B1137

SIDE MODULE LH
[SHORT]

Side air bag module LH circuits are shorted to each other

SRC-128, "DTC 
Logic"

.

B1138-B1143

CONTROL UNIT

Air bag diagnosis sensor unit is malfunctioning

SRC-130, "DTC 
Logic"

B1144

CONTROL UNIT
[MISS INSTALLATION]

Air bag diagnosis sensor unit is malfunctioning or out of the 
specified specification

SRC-131, "DTC 
Logic"

.

B1145

CURTAIN MODULE RH
[OPEN]

Rear curtain air bag module RH circuit is open

SRC-132, "DTC 
Logic"

.

B1146

CURTAIN MODULE RH
[VB-SHORT]

Rear curtain air bag module RH circuit is shorted to power sup-
ply circuit

SRC-134, "DTC 
Logic"

.

B1147

CURTAIN MODULE RH
[GND-SHORT]

Rear curtain air bag module RH circuit is shorted to ground

SRC-136, "DTC 
Logic"

.

B1148

CURTAIN MODULE RH
[SHORT]

Rear curtain air bag module RH circuits are shorted to each 
other

SRC-138, "DTC 
Logic"

.

B1150

CURTAIN MODULE LH
[OPEN]

Rear curtain air bag module LH circuit is open

SRC-140, "DTC 
Logic"

.

B1151

CURTAIN MODULE LH
[VB-SHORT]

Rear curtain air bag module LH circuit is shorted to power sup-
ply circuit

SRC-142, "DTC 
Logic"

.

B1152

CURTAIN MODULE LH
[GND-SHORT]

Rear curtain air bag module LH circuit is shorted to ground

SRC-144, "DTC 
Logic"

.

B1153

CURTAIN MODULE LH
[SHORT]

Rear curtain air bag module LH circuits are shorted to each 
other

SRC-146, "DTC 
Logic"

.

B1154-B1159

CONTROL UNIT

Air bag diagnosis sensor unit is malfunctioning

SRC-148, "DTC 
Logic"

.

B1170-B1175

CONTROL UNIT

Air bag diagnosis sensor unit is malfunctioning

SRC-149, "DTC 
Logic"

.

B1186-B1191

CONTROL UNIT

Air bag diagnosis sensor unit is malfunctioning

SRC-150, "DTC 
Logic"

.

B1193

CURTAIN MODULE RH
[OPEN]

Front curtain air bag module RH circuit is open

SRC-151, "DTC 
Logic"

B1194

CURTAIN MODULE RH
[VB-SHORT]

Front curtain air bag module RH circuit is shorted to power sup-
ply circuit

SRC-153, "DTC 
Logic"

B1195

CURTAIN MODULE RH
[GND-SHORT]

Front curtain air bag module RH circuit is shorted to ground

SRC-155, "DTC 
Logic"

B1196

CURTAIN MODULE RH
[SHORT]

Front curtain air bag module RH circuits are shorted to each 
other

SRC-157, "DTC 
Logic"

DTC

Diagnostic item

Explanation

Reference page