Infiniti G37 Coupe. Manual — part 1214
SRC-106
< COMPONENT DIAGNOSIS >
B1136 SIDE MODULE LH
2.
CHECK AIR BAG WARNING LAMP
Check the warning lamp status.
Is malfunctioning part detected?
YES
>> Refer to
.
NO
>> INSPECTION END.
Diagnosis Procedure (Component diagnosis)
INFOID:0000000001694610
With CONSULT-lll
WARNING:
• Before servicing, turn ignition switch OFF, disconnect both battery terminals and wait at least 3 min-
utes. (To discharge backup capacitor.)
• Do not use unspecified tester or other measuring device.
DIAGNOSTIC PROCEDURE
1.
CHECK HARNESS CONNECTOR
Check the connection of harness connector.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness connector.
2.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace wiring harness.
3.
CHECK FRONT SIDE AIR BAG MODULE
1.
Replace front LH side air bag module.
2.
Check the screen of CONSULT-lll.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Check the intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
B1137 SIDE MODULE LH
SRC-107
< COMPONENT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1137 SIDE MODULE LH
Description
INFOID:0000000001694611
DTC B1137 [SHORT] SIDE MODULE LH
For front LH side air bag module, crash is judged by main “G” sensor output signal (left side: LH satellite sen-
sor, right side: RH satellite sensor) and sub “G” sensor (right and left GP in center unit).
OPERATION
In case of collision whose acceleration exceeds the specified level, the ignition materials are ignited by electric
ignition system. The system burns and introduces the chemical reaction of gas generating materials to gener-
ate hot gases that flow into the air bag through a filter and expand the bag.
STRUCTURE
Front LH side air bag module mainly consists of air bag and inflator which inflates air bag.
INSTALLATION
Front LH side air bag module is installed on the side of front seatback with fixed nuts.
DTC Logic
INFOID:0000000001694612
DTC DETECTION LOGIC
With CONSULT-lll
DTC No. Index (“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)
DTC CONFIRMATION PROCEDURE (With CONSULT-lll)
1.
INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.
CHECK SELF-DIAG RESULT
Check the screen of CONSULT-lll.
Is malfunctioning part detected?
YES
>> Refer to
SRC-108, "Diagnosis Procedure (Component diagnosis)"
NO
>> INSPECTION END.
DTC CONFIRMATION PROCEDURE (Without CONSULT-lll)
NOTE:
• SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.
INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1137
SIDE MODULE LH
[SHORT]
Front LH side air bag module circuit are
shorted to each other.
• Disconnection of wiring harness and
short.
• Internal breakdown in front LH side
air bag module.
• Internal breakdown in diagnosis sen-
sor unit (ACU).
SRC-108
< COMPONENT DIAGNOSIS >
B1137 SIDE MODULE LH
2.
CHECK AIR BAG WARNING LAMP
Check the warning lamp status.
Is malfunctioning part detected?
YES
>> Refer to
.
NO
>> INSPECTION END.
Diagnosis Procedure (Component diagnosis)
INFOID:0000000001694613
With CONSULT-lll
WARNING:
• Before servicing, turn ignition switch OFF, disconnect both battery terminal and wait at least 3 min-
utes. (To discharge backup capacitor.)
• Do not use un specified tester or other measuring device.
DIAGNOSTIC PROCEDURE
1.
CHECK HARNESS CONNECTOR
Check the connection of harness connector.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness connector.
2.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace wiring harness.
3.
CHECK FRONT SIDE AIR BAG MODULE
1.
Replace front LH side air bag module.
2.
Check the screen of CONSULT-lll.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Check the intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
B1138, B1139, B1140, B1141, B1142, B1143 DIAGNOSIS SENSOR UNIT
SRC-109
< COMPONENT DIAGNOSIS >
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G
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SRC
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B1138, B1139, B1140, B1141, B1142, B1143 DIAGNOSIS SENSOR UNIT
Description
INFOID:0000000001694614
DTC B1138, B1139, B1140, B1141, B1142, B1143 DIAGNOSIS SENSOR UNIT
Detects the whole SRS electrical system and displays the malfunction either by illuminating or blinking the air
bag warning lamp in the combination meter. Malfunctioning part can be detected by on board self-diagnosis
system and electro-diagnosis tester CONSULT-lll.
OPERATION
It detects a shock that exceeds specified level and watches such systems as the driver and passenger air bag,
side air bag, curtain air bag, pre-tensioner seat belts and Occupant Classification System (OCS) operate prop-
erly.
STRUCTURE
It contains the “G” sensors for both frontal and side collisions and spare battery function in case of main bat-
tery damage in collision.
INSTALLATION
SRS diagnosis sensor unit is installed under the center console with fixed bolts.
DTC Logic
INFOID:0000000001694615
DTC DETECTION LOGIC
With CONSULT-lll
DTC No. Index (“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)
DTC CONFIRMATION PROCEDURE (With CONSULT-lll)
1.
INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.
CHECK SELF-DIAG RESULT
Check the screen of CONSULT-lll.
Is malfunctioning part detected?
YES
>> Refer to
SRC-110, "Diagnosis Procedure (Component diagnosis)"
.
NO
>> INSPECTION END.
DTC CONFIRMATION PROCEDURE (Without CONSULT-lll)
NOTE:
• SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.
INSPECTION START
Turn ignition switch ON.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1138
B1139
B1140
B1141
B1142
B1143
CONTROL UNIT
Diagnosis sensor unit is out of order.
Internal breakdown in diagnosis sensor
unit (ACU).
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