Infiniti G37 Coupe. Manual — part 1219
SRC-126
< COMPONENT DIAGNOSIS >
B1153 CURTAIN 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:0000000001694640
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 SIDE CURTAIN AIR BAG MODULE
1.
Replace LH side curtain 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"
.
B1202, B1203, B1204, B1205, B1206, B1207 DIAGNOSIS SENSOR UNIT
SRC-127
< COMPONENT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1202, B1203, B1204, B1205, B1206, B1207 DIAGNOSIS SENSOR UNIT
Description
INFOID:0000000001694641
DTC B1202, B1203, B1204, B1205, B1206, B1207 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:0000000001694642
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-128, "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
B1202
B1203
B1204
B1205
B1206
B1207
CONTROL UNIT
Diagnosis sensor unit is out of order.
Internal breakdown in diagnosis sensor
unit (ACU).
SRC-128
< COMPONENT DIAGNOSIS >
B1202, B1203, B1204, B1205, B1206, B1207 DIAGNOSIS SENSOR UNIT
>> GO TO 2.
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:0000000001694643
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 connectors.
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 DIAGNOSIS SENSOR UNIT
1.
Replace diagnosis sensor unit (ACU).
2.
Check the screen of CONSULT-III.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Check the intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
B1209 FRONTAL COLLISION DETECTION
SRC-129
< COMPONENT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
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B1209 FRONTAL COLLISION DETECTION
Description
INFOID:0000000001694644
DTC B1209 FRONTAL COLLISION DETECTION
Detects component damage resulting from a front collision, blinks or illuminates the air bag warning lamp to
inform the driver. Malfunctioning part can be detected by the CONSULT-III.
OPERATION
The air bag and seat belt pre-tensioners for driver and front seat passenger are operated by the decision of
the diagnosis sensor unit (ACU) out signal transmitted because of the frontal collision.
STRUCTURE
It consists of crash zone sensor, diagnosis sensor unit (ACU), air bags and seat belt pre-tensioners for driver
and front passenger.
INSTALLATION
SR-14, "Removal and Installation"
,
SR-16, "Removal and Installation"
,
TOR : Removal and Installation"
SR-4, "Removal and Installation"
SR-10, "Removal and Installation"
.
DTC Logic
INFOID:0000000001694645
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-129, "Diagnosis Procedure (Component diagnosis)"
NO
>> INSPECTION END.
Diagnosis Procedure (Component diagnosis)
INFOID:0000000001694646
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 FRONT AIR BAG MODULE
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1209
FRONTAL COLLISION
DETECTION
Front seat belt pre-tensioner, front air
bag is deployed.
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