Infiniti EX35. Manual — part 1364
SRC-82
< COMPONENT DIAGNOSIS >
B1118, B1119 SATELLITE SENS LH
B1118, B1119 SATELLITE SENS LH
Description
INFOID:0000000003591883
DTC B1118, B1119 [UNIT FAIL] SATELLITE SENS LH
Main “G” sensor generates signal voltage, when it detects deceleration beyond the specified level by vehicle
side collision.
OPERATION
When air bag diagnosis sensor unit defines both signal voltage of the “G” sensor and the Safing algorithm to
be that of collision which exceeds specified level, the driving circuit switches on and feeds the electric ignitor of
both the front side air bag and side curtain air bag.
STRUCTURE
Integrated type of the “G” sensor element for side collision with output terminals for signal voltage.
INSTALLATION
LH satellite sensor is installed at the underside of center pillar with fixed nuts.
DTC Logic
INFOID:0000000003591884
DTC DETECTION LOGIC
With CONSULT-III
DTC No. Index (“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)
DTC CONFIRMATION PROCEDURE (WITH CONSULT-III)
1.
CHECK SELF-DIAG RESULT
1.
Turn ignition switch ON.
2.
Check the screen of CONSULT-III.
Is malfunctioning part detected?
YES
>> Refer to
NO
>> INSPECTION END
DTC CONFIRMATION PROCEDURE (WITHOUT CONSULT-III)
NOTE:
• SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.
CHECK AIR BAG WARNING LAMP
1.
Turn ignition switch ON.
2.
Check the air bag warning lamp status.
Is malfunctioning part detected?
YES
>> Refer to warning lamp flash code chart. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003591885
WITH CONSULT-III
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3
minutes. (To discharge backup capacitor.)
• Do not use unspecified tester or other measuring device.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1118
B1119
SATELLITE SENS LH
[UNIT FAIL]
LH satellite sensor is out of order
• Disconnection of wiring harness
• Internal breakdown in LH satellite
sensor
• Internal breakdown in air bag diag-
nosis sensor unit
B1118, B1119 SATELLITE SENS LH
SRC-83
< COMPONENT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
DIAGNOSTIC PROCEDURE
1.
CHECK HARNESS CONNECTOR
Check the connection of harness connector.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace harness connector.
2.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace wiring harness.
3.
CHECK SATELLITE SENSOR
1.
Replace LH satellite sensor. Refer to
2.
Check “Self diagnosis result” with CONSULT-III.
3.
Perform DTC confirmation procedure. Refer to
Is DTC detected?
YES
>> GO TO 4.
NO
>> INSPECTION END
4.
CHECK AIR BAG DIAGNOSIS SENSOR UNIT
1.
Replace air bag diagnosis sensor unit. Refer to
2.
Check “Self diagnosis result” with CONSULT-III.
3.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
SRC-84
< COMPONENT DIAGNOSIS >
B1120, B1121 SATELLITE SENS LH
B1120, B1121 SATELLITE SENS LH
Description
INFOID:0000000003591886
DTC B1120, B1121 [COMM FAIL] SATELLITE SENS LH
Main “G” sensor generates signal voltage, when it detects deceleration beyond the specified level by vehicle
side collision.
OPERATION
When air bag diagnosis sensor unit defines both signal voltage of the “G” sensor and the Safing algorithm to
be that of collision which exceeds specified level, the driving circuit switches on and feeds the electric ignitor of
both the front side air bag and side curtain air bag.
STRUCTURE
Integrated type of the “G” sensor element for side collision with output terminals for signal voltage.
INSTALLATION
LH satellite sensor is installed at the underside of center pillar with fixed nuts.
DTC Logic
INFOID:0000000003591887
DTC DETECTION LOGIC
With CONSULT-III
DTC No. Index (“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)
DTC CONFIRMATION PROCEDURE (WITH CONSULT-III)
1.
CHECK SELF-DIAG RESULT
1.
Turn ignition switch ON.
2.
Check the screen of CONSULT-III.
Is malfunctioning part detected?
YES
>> Refer to
NO
>> INSPECTION END
DTC CONFIRMATION PROCEDURE (WITHOUT CONSULT-III)
NOTE:
• SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.
CHECK AIR BAG WARNING LAMP
1.
Turn ignition switch ON.
2.
Check the air bag warning lamp status.
Is malfunctioning part detected?
YES
>> Refer to warning lamp flash code chart. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003591888
WITH CONSULT-III
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3
minutes. (To discharge backup capacitor.)
• Do not use unspecified tester or other measuring device.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1120
B1121
SATELLITE SENS LH
[COMM FAIL]
[UNMATCH]
LH satellite sensor is out of order
• Disconnection of wiring harness
• Internal breakdown in LH satellite
sensor
• Internal breakdown in air bag diag-
nosis sensor unit
B1120, B1121 SATELLITE SENS LH
SRC-85
< COMPONENT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
DIAGNOSTIC PROCEDURE
1.
CHECK HARNESS CONNECTOR
Check the connection of harness connector.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace harness connector.
2.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace wiring harness.
3.
CHECK SATELLITE SENSOR
1.
Replace LH satellite sensor. Refer to
2.
Check “Self diagnosis result” with CONSULT-III.
3.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected?
YES
>> GO TO 4.
NO
>> INSPECTION END
4.
CHECK AIR BAG DIAGNOSIS SENSOR UNIT
1.
Replace air bag diagnosis sensor unit. Refer to
2.
Check “Self diagnosis result” with CONSULT-III.
3.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
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