Nissan Juke Service and Repair Manual : B1209 frontal collision detection
Description
The air bags and seat belt pre-tensioners for driver and passenger are activated by the air bag diagnosis sensor unit signal transmitted at the time of the frontal collision.
DTC Logic
DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to SRC-12, "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 SRC-140, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative
terminal, and wait at least 3
minutes or more. (To discharge backup capacitor.)
• Never use unspecified tester or other measuring device.
1.PERFORM COLLISION DIAGNOSIS
Perform collision diagnosis.Refer to SR-6, "FOR FRONTAL COLLISION : When SRS is activated in a collision" or SR-7, "FOR FRONTAL COLLISION : When SRS is not activated in a collision".
Is collision diagnosis complete? YES >> GO TO 2.
NO >> INSPECTION END
2.FINAL INSPECTION
Perform “AIR BAG” Self Diagnostic Result.
Is the inspection result normal? YES >> INSPECTION END
NO >> Perform diagnosis of applicable DTC.Refer to SRC-18, "DTC Index".
B1202, B1203, B1204, B1205, B1206, B1207 diagnosis sensor unit
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSU ...
B1210 side collision detection
Description
The side air bag and curtain air bag are activated by the air bag diagnosis
sensor unit signal transmitted at the
time of side collision.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRM ...
Other materials:
Compression pressure
Inspection
1. Warm up engine thoroughly. Then, stop it.
2. Release fuel pressure. Refer to EC-551, "Work Procedure".
3. Remove ignition coil and spark plug from each cylinder. Refer to EM-178,
"Exploded View".
4. Connect engine tachometer (not required in use of CONSULT-III ...
B26F4 starter control relay
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B26F4 is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to
BCS-83, "DTC Logic".
• If DTC B26F4 is displayed with DTC U1010, first perform the trouble diagnosis
for DTC U1010. Refer to
BCS-84, "D ...
Diagnosis and repair work flow
Work Flow
DETAILED FLOW
1.INTERVIEW FROM THE CUSTOMER
Clarify customer complaints before inspection. First of all, perform an
interview utilizing DLN-37, "Diagnostic
Work Sheet" and reproduce symptoms as well as fully understand it. Ask customer
about his/her complaints
carefully. ...
