Infiniti G37 Coupe. Manual — part 1193
SRC-22
< COMPONENT DIAGNOSIS >
B1006, B1007, B1008, B1009, B1010 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:0000000001694490
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"
.
B1011, B1012, B1013, B1014, B1015 DIAGNOSIS SENSOR UNIT
SRC-23
< COMPONENT DIAGNOSIS >
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B1011, B1012, B1013, B1014, B1015 DIAGNOSIS SENSOR UNIT
Description
INFOID:0000000001694491
DTC B1011, B1012, B1013, B1014, B1015 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:0000000001694492
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-24, "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
B1011
B1012
B1013
B1014
B1015
CONTROL UNIT
Diagnosis sensor unit is out of order.
Internal breakdown in diagnosis sensor
unit (ACU).
SRC-24
< COMPONENT DIAGNOSIS >
B1011, B1012, B1013, B1014, B1015 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:0000000001694493
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"
.
B1017, B1020, B1021 OCCUPANT SENS C/U
SRC-25
< COMPONENT DIAGNOSIS >
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B1017, B1020, B1021 OCCUPANT SENS C/U
Description
INFOID:0000000001694494
DTC B1017, B1020, B1021 [UNIT FAIL] OCCUPANT SENS C/U
Suppresses the deployment of passenger air bag when the condition of passenger seat is empty or child and
child-seat. And turns on cut-off telltale lamp when the condition of passenger seat is child-seat and child. In
case of malfunction the blinking of the SRS air bag warning lamp report the malfunction to driver and by the on
board self-diagnosis system or electro-diagnosis tester CONSULT-lll can detect the cause.
OPERATION
This unit classifies occupant in passenger seat and detects electrical malfunctions in Occupant Classification
System, and transmits malfunction information to air bag control unit.
STRUCTURE
It is integrated into the seat sensor mat and detects the occupants with Occupant Classification System (OCS)
control unit that classifies the occupants.
INSTALLATION
Occupant Classification System (OCS) control unit is installed in the passenger seat cushion.
DTC Logic
INFOID:0000000001694495
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-26, "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
B1017
B1020
B1021
OCCUPANT SENS C/U
[UNIT FAIL]
Trouble occurs in OCS-C/U.
• Disconnection of wiring harness.
• Internal breakdown in occupant clas-
sification system control unit.
• Internal breakdown in diagnosis sen-
sor unit (ACU).
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