Nissan Pathfinder (2009 year). Manual — part 601
ON BOARD DIAGNOSTIC (OBD) SYSTEM
SRC-15
< FUNCTION DIAGNOSIS >
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Trouble Diagnosis without CONSULT-III
INFOID:0000000003937584
DIAGNOSTIC PROCEDURE 6
Inspect SRS Malfunction Using "AIR BAG" Warning Lamp—Diagnosis Mode
NOTE:
SRS will not enter Diagnosis mode if no malfunction is detected in User mode.
1.
Turn ignition switch ON.
2.
After “AIR BAG” warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.
3.
Wait more than 3 seconds.
4.
Repeat steps 1 to 3 two more times (3 times total).
5.
Turn ignition switch ON.
SRS is now in Diagnosis mode. Refer to
SRC-79, "Trouble Diagnosis without CONSULT-III"
CONSULT-III Function (AIR BAG)
INFOID:0000000003937585
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
Self-Diagnosis Function (Without CONSULT-III)
INFOID:0000000003937586
• The reading of these results is accomplished using one of two modes —“User mode” and “Diagnosis mode”.
• After a malfunction is repaired, turn the ignition switch OFF for at least one second, then back ON. Diagnosis
mode returns to the User mode. At that time, the self-diagnostic result is cleared.
AIR BAG diagnostic mode
Description
SELF-DIAG [CURRENT]
A current Self-diagnosis result (also indicated by the number of warning lamp flashes in the Diagnosis
mode) is displayed on the CONSULT-III screen in real time. This refers to a malfunctioning part requir-
ing repairs.
SELF-DIAG [PAST]
Diagnosis results previously stored in the memory are displayed on the CONSULT-III screen. The
stored results will remain until memory erasing is executed.
TROUBLE DIAG RECORD
With TROUBLE DIAG RECORD, diagnosis results previously erased by a reset operation can be dis-
played on the CONSULT-III screen.
ECU DISCRIMINATED NO.
The air bag diagnosis sensor unit for each vehicle model is assigned with its own, individual classifica-
tion number. This number will be displayed on the CONSULT-III screen, as shown. When replacing the
air bag diagnosis sensor unit, refer to the part number for the compatibility. After installation, replace-
ment with a correct unit can be checked by confirming this classification number on the CONSULT-III
screen.
The air bag diagnosis sensor unit discriminated number assigned is F6A2.
PASSENGER AIR BAG
The STATUS (readiness) of the front passenger air bag module is displayed. The STATUS displayed
(ON/OFF) depends on the signals supplied to the occupant classification system control module and
air bag diagnosis sensor unit. Refer to
SRC-10, "Occupant Classification System (OCS)"
formation.
2009 Pathfinder
SRC-16
< FUNCTION DIAGNOSIS >
ON BOARD DIAGNOSTIC (OBD) SYSTEM
HOW TO CHANGE SELF-DIAGNOSIS MODE
DIAGNOSTIC PROCEDURE 3
Final Check of SRS Using CONSULT-III—Diagnosis Mode
1.
Connect CONSULT-III.
2.
If no DTC is detected on “SELF-DIAG [CURRENT]”, repair of SRS is completed. Go to step 3.
If any DTC is detected on “SELF-DIAG [CURRENT]”, the malfunctioning part has not been repaired com-
pletely or another malfunctioning part is being detected. Perform DIAGNOSTIC PROCEDURE 2. Refer to
.
3.
Touch “ERASE”.
NOTE:
Touch “ERASE” to clear the memory of the malfunction (“SELF-DIAG [PAST]”).
If the memory of the malfunction in “SELF-DIAG [PAST]” is not erased, the User mode shows the system
malfunction by the operation of the warning lamp even if the malfunction is repaired completely.
4.
Touch “BACK” key of CONSULT-III. Touch “SELF-DIAG [PAST]”.
5.
Check that no malfunction is detected on “SELF-DIAG [PAST]”.
6.
Touch “BACK” key of CONSULT-III to return to User mode from Diagnosis mode.
7.
Turn ignition switch OFF and then turn off and disconnect CONSULT-III.
8.
Go to
DIAGNOSTIC PROCEDURE 4
Check SRS Repair History
1.
CONSIDER POSSIBILITY THAT SELF-DIAGNOSTIC RESULT WAS NOT ERASED AFTER REPAIR
Check repair history of the SRS.
Have any previous repairs been made to the SRS?
YES
>> Self-diagnostic result “SELF-DIAG [PAST]” (previously stored in the memory) might not be erased
after repair. Perform DIAGNOSTIC PROCEDURE 3. Refer to
SRC-15, "Self-Diagnosis Function
.
NO
>> Perform DIAGNOSTIC PROCEDURE 2. Refer to
.
SHIA0183E
2009 Pathfinder
B1049 – B1052, B1054 – B1057 DRIVER AIRBAG MODULE
SRC-17
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COMPONENT DIAGNOSIS
B1049 – B1052, B1054 – B1057 DRIVER AIRBAG MODULE
Description
INFOID:0000000003937587
DTC B1049 – B1052, B1054 – B1057 DRIVER AIRBAG MODULE
The driver air bag module is dual stage and wired to the air bag diagnosis sensor unit through the spiral cable.
The air bag diagnosis sensor unit will monitor for opens and shorts in detected lines to the driver air bag mod-
ule including the spiral cable.
PART LOCATION
SRC-7, "SRS Component Parts Location"
DTC Logic
INFOID:0000000003937588
DTC DETECTION LOGIC
With CONSULT-lll
Without CONSULT-lll
DTC CONFIRMATION PROCEDURE (With CONSULT-lll)
CONSULT-III 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.
Replace the driver air bag module.
4.
Replace the spiral cable.
5.
Replace the air bag diagnosis sensor unit.
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).
WHIA0260E
2009 Pathfinder
SRC-18
< COMPONENT DIAGNOSIS >
B1049 – B1052, B1054 – B1057 DRIVER AIRBAG MODULE
1.
INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.
CHECK SELF-DIAG RESULT
Check for the DTC on CONSULT-lll.
Is the DTC detected?
YES
>> Refer to
SRC-18, "Diagnosis Procedure (Component Diagnosis)"
.
NO
>> Inspection End.
DTC CONFIRMATION PROCEDURE (Without CONSULT-lll)
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:0000000003937589
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
2009 Pathfinder
B1049 – B1052, B1054 – B1057 DRIVER AIRBAG MODULE
SRC-19
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2.
WIRING HARNESS
Is there any visible damage to the harness?
YES or NO
YES
>> Replace the harness.
NO
>> GO TO 3
3.
DRIVER AIR BAG MODULE
Replace the driver air bag module. Refer to
SR-5, "Removal and Installation"
.
>> GO TO 4
4.
SPIRAL CABLE
Replace the spiral cable. Refer to
SR-7, "Removal and Installation"
.
>> GO TO 5
5.
AIR BAG DIAGNOSIS SENSOR UNIT
Replace the air bag diagnosis sensor unit. Refer to
SR-16, "Removal and Installation"
>> GO TO 6
6.
RELATED HARNESS
Replace the related harness.
>> END
2009 Pathfinder
SRC-20
< COMPONENT DIAGNOSIS >
B1065 – B1068, B1070 – B1073 PASSENGER AIRBAG MODULE
B1065 – B1068, B1070 – B1073 PASSENGER AIRBAG MODULE
Description
INFOID:0000000003937590
DTC B1065 – B1068, B1070 – B1073 PASSENGER AIR BAG MODULE
The passenger air bag module is dual stage and wired to the air bag diagnosis sensor unit. The air bag diag-
nosis sensor unit will monitor for opens and shorts in detected lines to the passenger air bag module.
PART LOCATION
SRC-7, "SRS Component Parts Location"
DTC Logic
INFOID:0000000003937591
DTC DETECTION LOGIC
With CONSULT-lll
Without CONSULT-lll
DTC CONFIRMATION PROCEDURE (With CONSULT-lll)
1.
INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.
CHECK SELF-DIAG RESULT
Check for the DTC on CONSULT-lll.
CONSULT-III name
DTC
DTC detecting condition
Repair order
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 front passenger air bag module.
4.
Replace the air bag diagnosis sensor unit.
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 circuit.
B1071
Front passenger air bag module circuit
(AS2) is shorted to a power supply circuit.
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.
WHIA0261E
2009 Pathfinder
B1065 – B1068, B1070 – B1073 PASSENGER AIRBAG MODULE
SRC-21
< COMPONENT DIAGNOSIS >
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Is the DTC detected?
YES
>> Refer to
SRC-21, "Diagnosis Procedure (Component Diagnosis)"
.
NO
>> Inspection End.
DTC CONFIRMATION PROCEDURE (Without CONSULT-lll)
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:0000000003937592
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 MODULE
Replace the front passenger air bag module. Refer to
SR-9, "Removal and Installation"
.
2009 Pathfinder
SRC-22
< COMPONENT DIAGNOSIS >
B1065 – B1068, B1070 – B1073 PASSENGER AIRBAG MODULE
>> 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.
>> END
2009 Pathfinder
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