Nissan Pathfinder (2011 year). Instruction — part 570
B1023 PASSENGER AIR BAG OFF INDICATOR
SRC-59
< DTC/CIRCUIT DIAGNOSIS >
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>> GO TO 2
2.
IGNITION SWITCH
After air bag warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.
>> GO TO 3
3.
WAIT TIME
Wait more than 3 seconds.
>> GO TO 4
4.
REPEAT STEPS
Repeat steps 1 to 3 twice.
>> GO TO 5
5.
IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 6
6.
DIAGNOSTIC MODE
SRS system is now in diagnostic mode and AIR BAG warning lamp flashes. Refer to
>>
END
Diagnosis Procedure (Component Diagnosis)
INFOID:0000000006245303
Recheck SRS after each replacement.
1.
HARNESS CONNECTOR
Is there any visible damage to the connector?
YES or NO
YES
>> Replace the harness.
NO
>> GO TO 2
2.
WIRING HARNESS
Is there any visible damage to the harness?
YES or NO
YES
>> Replace the harness.
NO
>> GO TO 3
3.
FRONT PASSENGER AIR BAG OFF INDICATOR
Replace the front passenger air bag off indicator. Refer to
IP-12, "Removal and Installation"
.
>> GO TO 4
4.
AIR BAG DIAGNOSIS SENSOR UNIT
Replace the air bag diagnosis sensor unit. Refer to
SR-16, "Removal and Installation"
>> GO TO 5
5.
RELATED HARNESS
Replace the related harness.
2011 Pathfinder
SRC-60
< DTC/CIRCUIT DIAGNOSIS >
B1023 PASSENGER AIR BAG OFF INDICATOR
>>
END
2011 Pathfinder
B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
SRC-61
< DTC/CIRCUIT DIAGNOSIS >
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B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
Description
INFOID:0000000006765667
DTC B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM (OCS)
The OCS control unit is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit will mon-
itor the OCS for failures and interruptions in communication between the OCS control unit and the air bag
diagnosis sensor unit.
PART LOCATION
SRC-7, "SRS Component Parts Location"
DTC Logic
INFOID:0000000006765668
DTC DETECTION LOGIC
With CONSULT
Without CONSULT
CONSULT name
DTC
DTC detecting condition
Repair order
OCCUPANT SENS C/U
[UNIT FAIL]
B1017 The OCS control unit is malfunctioning.
1.
Replace the RH front seat cushion assembly.
Do not disassemble the seat cushion assem-
bly.
B1021
B1020
The OCS control unit is malfunctioning.
1.
Replace the harness if it has visible damage.
2.
Replace the RH front seat cushion assembly.
Do not disassemble the seat cushion assem-
bly.
3.
Replace the RH front seat belt assembly.
OCCUPANT SENS
[UNIT FAIL]
B1018
The OCS sensor is malfunctioning.
1.
Visually check the wiring harness connection
to the OCS sensor.
2.
Replace the RH front seat cushion assembly.
Do not disassemble the seat cushion assem-
bly.
BELT TENSION SENS
[UNIT FAIL]
B1019
The belt tension sensor is malfunctioning.
1.
Visually check the wiring harness connection.
2.
Replace the harness if it has visible damage.
3.
Replace the RH front seat belt assembly.
4.
Replace the RH front seat cushion assembly.
Do not disassemble the seat cushion assem-
bly.
5.
Replace the related harness.
OCCUPANT SENS C/U
[COMM FAIL]
B1022
Communication between the OCS control
unit and the air bag diagnosis sensor unit is
interrupted.
1.
Visually check the wiring harness connection.
2.
Replace the harness if it has visible damage.
3.
Replace the RH front seat cushion assembly.
Do not disassemble the seat cushion assem-
bly.
4.
Replace the air bag diagnosis sensor unit.
5.
Replace the related harness.
WHIA0211E
2011 Pathfinder
SRC-62
< DTC/CIRCUIT DIAGNOSIS >
B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
DTC CONFIRMATION PROCEDURE (With CONSULT)
1.
INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.
CHECK SELF-DIAG RESULT
Check for the DTC on CONSULT.
Is the DTC detected?
YES
>> Refer to
SRC-62, "Diagnosis Procedure (Component Diagnosis)"
.
NO
>> Inspection End.
DTC CONFIRMATION PROCEDURE (Without CONSULT)
NOTE:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.
IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 2
2.
IGNITION SWITCH
After air bag warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.
>> GO TO 3
3.
WAIT TIME
Wait more than 3 seconds.
>> GO TO 4
4.
REPEAT STEPS
Repeat steps 1 to 3 twice.
>> GO TO 5
5.
IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 6
6.
DIAGNOSTIC MODE
SRS system is now in diagnostic mode and AIR BAG warning lamp flashes. Refer to
>>
END
Diagnosis Procedure (Component Diagnosis)
INFOID:0000000006765669
Recheck SRS after each corrective action.
1.
CHECK CURRENT DTC
Does CONSULT indicate B1018, B1019, B1020 or B1022?
YES or NO
YES
>> GO TO 2
NO
>> GO TO 13
2011 Pathfinder
B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
SRC-63
< DTC/CIRCUIT DIAGNOSIS >
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2.
HARNESS CONNECTOR
Is there any visible damage to the OCS sub-harness connector (DTC B1022) or to the belt tension sensor con-
nector (DTC B1019)?
YES or NO
YES
>> Replace the harness.
NO
>> GO TO 3
3.
WIRING HARNESS
Is there any visible damage to the body or seat sub harness?
YES or NO
YES
>> Replace the harness.
NO
>> GO TO 4
4.
CHECK CURRENT DTC
Does CONSULT indicate B1022?
YES or NO
YES
>> GO TO 5
NO
>> GO TO 6
5.
OCS CONTROL UNIT HARNESS CONNECTOR
Is the OCS control unit or body harness connector disconnected?
YES or NO
YES
>> Connect the harness. Clear the DTC.
NO
>> GO TO 13
6.
CHECK CURRENT DTC
Does CONSULT indicate B1018?
YES or NO
YES
>> GO TO 7
NO
>> GO TO 8
7.
OCS SENSOR HARNESS CONNECTOR
Is the OCS sensor harness connector disconnected?
YES or NO
YES
>> Connect the harness. Clear the DTC.
NO
>> GO TO 8
8.
CHECK CURRENT DTC
Does CONSULT indicate B1020?
YES or NO
YES
>> GO TO 9
NO
>> GO TO 10
9.
BELT TENSION SENSOR
Inspect the belt tension sensor, belt tension sensor connector and harness.
Are the inspection results normal?
YES
>> GO TO 10
NO
>> GO TO 12
10.
CHECK CURRENT DTC
Does CONSULT indicate B1019?
YES or NO
YES
>> GO TO 11
NO
>> GO TO 12
11.
BELT TENSION SENSOR HARNESS CONNECTOR
2011 Pathfinder
SRC-64
< DTC/CIRCUIT DIAGNOSIS >
B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
Is the belt tension sensor harness connector disconnected?
YES or NO
YES
>> Connect the harness. Clear the DTC.
NO
>> GO TO 12
12.
REPLACE RH FRONT SEAT BELT ASSEMBLY
Replace the RH front seat belt assembly.
>> GO TO 13
13.
REPLACE RH FRONT SEAT CUSHION ASSEMBLY
Replace the RH front seat cushion assembly. Refer to
SE-33, "Removal and Installation"
.
>> GO TO 14
14.
AIR BAG DIAGNOSIS SENSOR UNIT
Replace the air bag diagnosis sensor unit. Refer to
SR-16, "Removal and Installation"
>>
END.
2011 Pathfinder
B1209 – B1211 COLLISION DETECTION
SRC-65
< DTC/CIRCUIT DIAGNOSIS >
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B1209 – B1211 COLLISION DETECTION
Description
INFOID:0000000006245307
DTC B1209 - B1211 COLLISION DETECTION
The air bag diagnosis sensor unit will set this DTC if it has detected a collision or rollover which has resulted in
a deployment of one or more air bags or pre-tensioners. If this DTC is detected after a SRS repair, the air bag
diagnosis sensor unit has not yet been replaced. This DTC can not be erased.
PART LOCATION
SRC-7, "SRS Component Parts Location"
DTC Logic
INFOID:0000000006245308
DTC DETECTION LOGIC
With CONSULT
DTC CONFIRMATION PROCEDURE (With CONSULT)
1.
INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.
CHECK SELF-DIAG RESULT
Check for the DTC on CONSULT.
Is the DTC detected?
YES
>> Refer to
SRC-65, "Diagnosis Procedure (Component Diagnosis)"
.
NO
>> Inspection End.
Diagnosis Procedure (Component Diagnosis)
INFOID:0000000006245309
SR-19, "For Frontal Collision"
SR-21, "For Side and Rollover Collision"
CONSULT name
DTC
DTC detecting condition
Repair order
FRONTAL COLLISION
DETECTION
B1209
Driver and/or front passenger air bag mod-
ules are deployed.
SR-19, "For Frontal Collision"
SIDE COLLISION DE-
TECTION
B1210
Side and/or curtain air bag modules are
deployed.
SR-21, "For Side and Rollover Collision"
ROLLOVER DETEC-
TION
B1211
Curtain air bag module and seat belt pre-
tensioner are deployed.
2011 Pathfinder
SRC-66
< ECU DIAGNOSIS INFORMATION >
DIAGNOSIS SENSOR UNIT
ECU DIAGNOSIS INFORMATION
DIAGNOSIS SENSOR UNIT
Trouble Diagnosis with CONSULT
INFOID:0000000006245311
DIAGNOSTIC CODE CHART
NOTE:
Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is
eliminated using air bag warning lamp or CONSULT each time repair is finished. If malfunction is still
observed, proceed to the next step. When malfunction is eliminated, further repair work is not required.
CONSULT name
DTC
DTC detecting condition
Repair order
DRIVER AIRBAG MODULE
[OPEN]
B1049
Driver air bag module circuit (DR1) is
open
(including the spiral cable).
1.
Visually check the wiring harness connection.
2.
Replace the harness if it has visible damage.
3.
Inspect spiral cable circuit.
4.
Replace the air bag diagnosis sensor unit.
5.
Replace the driver air bag module.
6.
Replace the related harness.
B1054
Driver air bag module circuit (DR2) is
open
(including the spiral cable).
DRIVER AIRBAG MODULE
[VB-SHORT]
B1050
Driver air bag module circuit (DR1) is
shorted to a power supply circuit
(including the spiral cable).
B1055
Driver air bag module circuit (DR2) is
shorted to a power supply circuit
(including the spiral cable).
DRIVER AIRBAG MODULE
[GND-SHORT]
B1051
Driver air bag module circuit (DR1) is
shorted to ground
(including the spiral cable).
B1056
Driver air bag module circuit (DR2) is
shorted to ground
(including the spiral cable).
DRIVER AIRBAG MODULE
[SHORT]
B1052
Driver air bag module circuits (DR1) are
shorted to each other
(including the spiral cable).
B1057
Driver air bag module circuits (DR2) are
shorted to each other
(including the spiral cable).
ASSIST A/B MODULE
[OPEN]
B1065
Front passenger air bag module circuit
(AS1) is open.
1.
Visually check the wiring harness connection.
2.
Replace the harness if it has visible damage.
3.
Replace the air bag diagnosis sensor unit.
4.
Replace the front passenger air bag module.
5.
Replace the related harness.
B1070
Front passenger air bag module circuit
(AS2) is open.
ASSIST A/B MODULE
[VB-SHORT]
B1066
Front passenger air bag module circuit
(AS1) is shorted to a power supply cir-
cuit.
B1071
Front passenger air bag module circuit
(AS2) is shorted to a power supply cir-
cuit.
ASSIST A/B MODULE
[GND-SHORT]
B1067
Front passenger air bag module circuit
(AS1) is shorted to ground.
B1072
Front passenger air bag module circuit
(AS2) is shorted to ground.
ASSIST A/B MODULE
[SHORT]
B1068
Front passenger air bag module circuits
(AS1) are shorted to each other.
B1073
Front passenger air bag module circuits
(AS2) are shorted to each other.
2011 Pathfinder
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