Nissan March K13. Manual — part 619
DIAGNOSIS AND REPAIR WORK FLOW
SRC-15
< BASIC INSPECTION >
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1.
INTERVIEW THE CUSTOMER FOR THE SYMPTOM
Interview the customer for the symptom (the condition and the environment when the incident/malfunction
occurs).
>> GO TO 2.
2.
CHECK SYMPTOM
Check the symptom from the customer information.
>> GO TO 3.
3.
CHECK WARNING LAMP OPERATION
Check air bag warning lamp operation in the user mode. Refer to
SRC-7, "On Board Diagnosis Function"
Are any malfunction detected?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK LOW VOLTAGE
Check low voltage with CONSULT-III (Special function). Refer to
.
Are any malfunction detected?
YES
>> GO TO 9.
NO
>> Check intermittent incident. Refer to
GI-33, "Intermittent Incident"
.
5.
CHECK SELF DIAGNOSTIC RESULTS
Check self diagnostic result with CONSULT-III or diagnosis mode.
If it is impossible to switch to diagnosis mode, follow the same procedure that DTC is not detected.
NOTE:
Perform the following procedure if DTC is detected.
• Record DTC (Print them out with CONSULT-III.)
• Erase self diagnostic result.
• Study the relationship between the malfunction that DTC or air bag warning lamp indicates and the symptom
that the customer describes.
• Check related service bulletins for information.
Is DTC detected?
YES
>> GO TO 6.
NO
>> GO TO 7.
6.
PERFORM DTC CONFIRMATION PROCEDURE
Perform DTC CONFIRMATION PROCEDURE for the DTC.
>> GO TO 8.
7.
PERFORM DIAGNOSIS ACCORDING TO WARNING LAMP OPERATION
1.
Check air bag warning lamp operation in the user mode. Refer to
SRC-7, "On Board Diagnosis Function"
.
2.
Perform Diagnosis Procedure for the air bag warning lamp operation. Refer to
(USER MODE).
>> GO TO 9.
8.
DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE
Inspect according to Diagnostic Procedure of the DTC.
>> GO TO 9.
9.
REPAIR OR REPLACE THE MALFUNCTION PART
Repair or replace the malfunctioning part.
SRC-16
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORK FLOW
>> GO TO 10.
10.
FINAL CHECK
Check self diagnostic result and air bag warning lamp operation in the user mode.
Is the malfunction repaired?
YES
>> INSPECTION END
NO
>> GO TO 2.
B1001, B1002, B1003, B1004, B1005 DIAGNOSIS SENSOR UNIT
SRC-17
< DTC/CIRCUIT DIAGNOSIS >
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DTC/CIRCUIT DIAGNOSIS
B1001, B1002, B1003, B1004, B1005 DIAGNOSIS SENSOR UNIT
Description
INFOID:0000000005987849
• It detects a shock that is more than the specified level and monitors whether the driver air bag operates nor-
mally.
• It contains the “G” sensor for frontal collisions and spare battery function in case of main battery damage in
collision.
DTC Logic
INFOID:0000000005987850
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAG RESULT
With CONSULT-III
1.
Turn ignition switch ON.
2.
Perform “AIR BAG” Self Diagnostic Result.
Without CONSULT-III
1.
Turn ignition switch ON.
2.
Check the air bag warning lamp status. Refer to
SRC-7, "On Board Diagnosis Function"
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES
>> Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005987851
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes
or more. (To discharge backup capacitor.)
• Never use unspecified tester or other measuring device.
1.
CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace harness connectors.
2.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace wiring harness.
3.
REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1.
Replace air bag diagnosis sensor unit. Refer to
SR-29, "Removal and Installation"
DTC
Display contents of
CONSULT-III
DTC detecting condition
Possible cause
B1001
B1002
B1003
B1004
B1005
CONTROL UNIT
Air bag diagnosis sensor unit is malfunctioning
Malfunction in air bag diagnosis sensor unit
SRC-18
< DTC/CIRCUIT DIAGNOSIS >
B1001, B1002, B1003, B1004, B1005 DIAGNOSIS SENSOR UNIT
2.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
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