Nissan Pathfinder. Manual — part 1082
SYSTEM
SRC-13
< SYSTEM DESCRIPTION >
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D
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SRC
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SEAT BELT WARNING LAMP SYSTEM : System Description
INFOID:0000000009176971
The seat belt warning lamp (1) will remind the driver if the driver or
front passenger seat belt should be buckled. The system works in
conjunction with the occupant classification system. Refer to
11, "OCCUPANT CLASSIFICATION SYSTEM : System Descrip-
.
Seat Belt Warning System Operation
AWHIA0392ZZ
Driver seat status
(Ignition switch ON)
Passenger seat status
Seat belt buckle switch
(driver side) status
Seat belt buckle switch
(passenger side) status
Seat belt warning lamp
Seat occupied
Seat occupied
Buckled
Buckled
Off
Unbuckled
On
Seat unoccupied
—
Off
—
Unbuckled
On
SRC-14
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (AIR BAG)
DIAGNOSIS SYSTEM (AIR BAG)
Diagnosis Description
INFOID:0000000009176972
CAUTION:
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to do so in
this Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harness con-
nectors.
• Do not attempt to repair, splice or modify SRS wiring harnesses. If a harness is damaged, replace it
with a new one.
• Keep ground connections clean.
HOW TO PERFORM TROUBLE DIAGNOSES FOR QUICK AND ACCURATE REPAIR
1. Obtain information about the symptom.
-
WHAT - vehicle model
-
WHEN - date, frequencies
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WHERE - road conditions
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HOW - operating conditions, symptoms, passengers
2. Perform Preliminary Check.
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Battery
-
Fuses
-
Harness connections
DIAGNOSIS METHODS
SRS self-diagnosis results can be read by using the AIR BAG warning lamp or CONSULT.
The User Mode is for the customer (driver). This mode warns the driver of a system malfunction through the
AIR BAG warning lamp.
The Diagnosis Mode is for the technician. This mode helps the technician locate the malfunctioning circuit or
part.
SRS Operation Check
INFOID:0000000009176973
USER MODE
1. Turn the ignition switch from OFF to ON and check that the air bag warning lamp blinks.
2. Compare the blinking pattern with the examples in the table.
User Mode
Diagnosis Mode
Display type
AIR BAG warning lamp
X
X
ON/OFF
CONSULT
—
X
Monitoring
BF-1845D
DIAGNOSIS SYSTEM (AIR BAG)
SRC-15
< SYSTEM DESCRIPTION >
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SRC
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Air bag warning lamp flashing pattern (User Mode)
Trouble Diagnosis with CONSULT
INFOID:0000000009176974
1. Connect CONSULT.
2. DTC is displayed on SELF-DIAG RESULTS.
NOTE:
If a malfunction is not detected on SELF-DIAG RESULTS [CURRENT], but a malfunction is detected during
SRS Operation Check, the following cases may exist:
• SELF-DIAG [PAST] memory might not be erased. Refer to
.
• SRS system malfunctions intermittently. Refer to
SRC-42, "Inspection Procedure"
Warning lamp
SRS condition
Reference item
• No malfunction is detected.
• No further action is necessary.
—
The system is malfunctioning and
needs to be repaired.
"Trouble Diagnosis without CON-
SULT"
.
Zero point reset is incomplete
RESET : Special Repair Require-
ment"
.
• Air bag is deployed.
• Seat belt pre-tensioner is deployed.
Refer to
SR-7, "For Side and Rollover Col-
• Air bag diagnosis sensor unit is mal-
functioning.
• Air bag power supply circuit is mal-
functioning.
• SRS air bag warning lamp circuit is
malfunctioning.
.
• Air bag diagnosis sensor unit is mal-
functioning.
• Air bag warning lamp circuit is mal-
functioning.
.
SHIA0011E
SHIA0012E
SHIA0013E
SHIA0014E
SRC-16
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (AIR BAG)
Trouble Diagnosis without CONSULT
INFOID:0000000009176975
DIAGNOSIS MODE
NOTE:
Diagnosis Mode can not be entered if a malfunction is not 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
SRS History Check
INFOID:0000000009176976
SRS HISTORY CHECK
1. Check repair history of the SRS. If no repairs have been made, perform
.
If repairs have been made, GO TO step 2.
2. Erase "SELF-DIAG [PAST]" after repair. Refer to
SRS Final Check
INFOID:0000000009176977
DIAGNOSIS MODE
1. Connect CONSULT.
2. Confirm that zero point reset of OCS is complete.
3. If no DTCs are detected on “SELF-DIAG RESULTS [CURRENT]”, repair of SRS is completed. Go to step
4.
If any DTCs are detected on “SELF-DIAG RESULTS [CURRENT]”, the malfunction has not been repaired
completely or another malfunction is being detected. Perform SRS Operation Check again. Refer to
4. Touch “ERASE”.
NOTE:
Touching “ERASE” will clear the SRS memory of the malfunction (“SELF-DIAG [PAST]”). If “SELF-
DIAG [PAST]” is not erased, User Mode may show the previous system malfunction even if the
malfunction has been repaired completely.
5. Check that no malfunction is detected in “SELF-DIAG [PAST]”.
6. Exit Diagnosis Mode and disconnect the CONSULT.
7. Perform SRS Operation Check. Refer to
CONSULT Function (AIR BAG)
INFOID:0000000009176978
CAUTION:
After disconnecting the CONSULT vehicle interface (VI) from the data link connector, the ignition must
be cycled OFF
→ ON (for at least 5 seconds) → OFF. If this step is not performed, the BCM may not go
to ”sleep mode”, potentially causing a discharged battery and a no-start condition.
CONSULT can display each diagnostic item using the diagnostic test modes shown following.
Diagnostic Test Mode
Diagnostic Item
Description
Self Diagnostic Result
SELF-DIAG RESULT [CURRENT]
A current Self-diagnosis result (also indicated by the number of
warning lamp flashes in the Diagnosis mode) is displayed on the
CONSULT screen in real time. This refers to a malfunctioning part
requiring repairs.
Data Monitor
DATA MONITOR
Displays air bag diagnosis sensor unit input/output data in real time.
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