Nissan Juke Service and Repair Manual : 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 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-139, "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.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-30, "Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-139, "DTC Logic".
Is DTC detected? YES >> GO TO 1.
NO >> INSPECTION END
B1186, B1187, B1188, B1189, B1190, B1191 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 ...
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 Logi ...
Other materials:
Vehicle jerks during
Description
The vehicle jerks when ABS function and EBD function operates.
Diagnosis Procedure
1.CHECK SYMPTOM
Check that the vehicle jerks when ABS function and EBD function operates.
Is the inspection result normal?
YES >> Normal
NO >> GO TO 2.
2.PERFORM SELF-DIAGNOSIS
Wit ...
S terminal circuit
Description
The output voltage of the alternator is controlled by the IC voltage
regulator at the “S” terminal detecting the
input voltage.
The “S” terminal circuit detects the battery voltage to adjust the alternator
output voltage with the IC voltage
regulator.
Diagnosis Procedure
1.CH ...
Diagnosis system (ECM)
Diagnosis description
Diagnosis description : 1st Trip Detection
Logic and Two Trip Detection Logic
When a malfunction is detected for the first time, 1st trip DTC and 1st trip
Freeze Frame data are stored in the
ECM memory. The MIL will not illuminate at this stage. <1st trip>
If the s ...
