Infiniti EX35. Manual — part 1375
SRC-126
< COMPONENT DIAGNOSIS >
B1210 SIDE COLLISION DETECTION
B1210 SIDE COLLISION DETECTION
Description
INFOID:0000000003591922
DTC B1210 SIDE COLLISION DETECTION
When detect a component damage resulting from a side collision, brinks or illuminates the air bag warning
lamp to inform the driver. Malfunctioning can be detected by the CONSULT-III.
OPERATION
The front side air bag and side curtain air bag are operated by the decision of the air bag diagnosis sensor unit
signal of the side collision.
STRUCTURE
It consists of satellite sensor, air bag diagnosis sensor unit, front side air bag and side curtain air bag.
INSTALLATION
SR-14, "Removal and Installation"
,
SR-16, "Removal and Installation"
.
DTC Logic
INFOID:0000000003591923
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
SRC-126, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003591924
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.
DIAGNOSTIC PROCEDURE
1.
CHECK FRONT SIDE AIR BAG MODULE
Check front side air bag module.
Is the front side air bag module deployed?
YES
>> Replace front side air bag module. Refer to
.
NO
>> GO TO 2.
2.
CHECK SIDE CURTAIN AIR BAG MODULE
Check side curtain air bag module.
Is the side curtain air bag module deployed?
YES
>> Replace side curtain air bag module. Refer to
SR-10, "Removal and Installation"
NO
>> GO TO 3.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1210
SIDE COLLISION DE-
TECTION
Front side air bag, side curtain air bag is
deployed
—
B1210 SIDE COLLISION DETECTION
SRC-127
< COMPONENT DIAGNOSIS >
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3.
CHECK SATELLITE SENSOR
Check satellite sensor.
Is the front side air bag module and/or side curtain air bag module deployed?
YES
>> Replace satellite sensor. Refer to
SR-14, "Removal and Installation"
NO
>> GO TO 4.
4.
CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Check air bag diagnosis sensor unit.
Is the front side air bag module and/or side curtain air bag module deployed?
YES
>> Replace air bag diagnosis sensor unit. Refer to
SR-16, "Removal and Installation"
.
NO
>> GO TO 5.
5.
CHECK WIRING HARNESS/HARNESS CONNECTOR
Check wiring harness/harness connector.
Is the wiring harness/harness connector normal?
YES
>> GO TO 6.
NO
>> Replace wiring harness/harness connector.
6.
FINAL CHECK
Check the screen of CONSULT-III and/or Air bag warning lamp status.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check the intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
SRC-128
< ECU DIAGNOSIS >
DIAGNOSIS SENSOR UNIT
ECU DIAGNOSIS
DIAGNOSIS SENSOR UNIT
DTC Index
INFOID:0000000003136319
DTC No. Index (With CONSULT-III)
(“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)
NOTE:
Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is
eliminated using air bag warning lamp or CONSULT-III each time repair is completed. If malfunction is still
observed, proceed to the next step. When malfunction is eliminated, further repair work is not required.
Diagnostic item
Explanation
Repair order
“Recheck SRS at each replacement”
NO DTC IS DETECT-
ED.
When malfunction is in-
dicated by the “AIR
BAG” warning lamp in
User mode
• Low battery voltage (Less than 9 V)
• Self-diagnosis result “SELF-DIAG
[PAST]” (previously stored in the
memory) might not be erased after re-
pair
• Intermittent malfunction has been de-
tected in the past
SRC-14, "Diagnosis Description"
• No malfunction is detected
—
CONTROL UNIT
[B1001-B1015]
• Air bag diagnosis sensor unit is out of order or mis-match
Replace air bag diagnosis sensor unit
OCCUPANT SENS C/U
[UNIT FAIL]
[B1017]
[B1020]
[B1021]
• Trouble occurs in OCS-control unit
1.
Replace wiring harness/harness
connector
2.
Replace front passenger seat
cushion and occupant classifica-
tion system (control unit) as an
assembly
OCCUPANT SENS
[UNIT FAIL]
[B1018]
• Trouble occurs in OCS-SENSOR
1.
Replace wiring harness/harness
connector
2.
Replace front passenger seat
cushion and occupant classifica-
tion system (control unit) as an
assembly
OCCUPANT SENS C/U
[COMM FAIL]
[B1022]
• Trouble occurs in OCS-control unit, circuit of OCS-CU~Air bag
diagnosis sensor unit, or Air bag diagnosis sensor unit
1.
Replace wiring harness/harness
connector
2.
Replace front passenger seat
cushion and occupant classifica-
tion system (control unit) as an
assembly
3.
Replace air bag diagnosis sensor
unit
PASS A/B INDCTR CKT
[B1023]
• Cut-off telltale circuit is open or shorted to ground or the circuits
are shorted each other
1.
Replace wiring harness/harness
connector
2.
Replace passenger air bag OFF
indicator (Cut-off telltale)
3.
Replace air bag diagnosis sensor
unit
CONTROL UNIT
[B1026-B1031]
• Air bag diagnosis sensor unit is out of order or mis-match
Replace air bag diagnosis sensor unit
DIAGNOSIS SENSOR UNIT
SRC-129
< ECU DIAGNOSIS >
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CRASH ZONE SEN
[UNIT FAIL]
[B1033]
[B1034]
CRASH ZONE SEN
[COMM FAIL]
[B1035]
[UNMATCH]
[B1036]
[OPEN/UPR-VB-
SHORT]
[B1038]
[SHORT/UPR-GND-
SHORT]
[B1040]
• Crash zone sensor is out of order
1.
Replace wiring harness/harness
connector
2.
Replace crash zone sensor
3.
Replace air bag diagnosis sensor
unit
CONTROL UNIT
[B1042-B1047]
• Air bag diagnosis sensor unit is out of order or mis-match
Replace air bag diagnosis sensor unit
DRIVER AIRBAG MOD-
ULE
[OPEN]
[B1049] [B1054]
• Driver air bag module circuit is open (including the spiral cable)
1.
Replace wiring harness/harness
connector
2.
Replace driver air bag module
3.
Replace spiral cable. Refer to
4.
Replace air bag diagnosis sensor
unit
DRIVER AIRBAG MOD-
ULE
[VB-SHORT]
[B1050] [B1055]
• Driver air bag module circuit is shorted to some power supply cir-
cuit (including the spiral cable)
DRIVER AIRBAG MOD-
ULE
[GND-SHORT]
[B1051] [B1056]
• Driver air bag module circuit is shorted to ground (including the
spiral cable)
DRIVER AIRBAG MOD-
ULE
[SHORT]
[B1052] [B1057]
• Driver air bag module circuits are shorted to each other (includ-
ing spiral cable)
CONTROL UNIT
[B1058-B1063]
• Air bag diagnosis sensor unit is out of order or mis-match
Replace air bag diagnosis sensor unit
ASSIST A/B MODULE
[OPEN]
[B1065] [B1070]
• Front passenger air bag module circuit is open
1.
Replace wiring harness/harness
connector
2.
Replace front passenger air bag
module
3.
Replace air bag diagnosis sensor
unit
ASSIST A/B MODULE
[VB-SHORT]
[B1066] [B1071]
• Front passenger air bag module circuit is shorted to some power
supply circuit
ASSIST A/B MODULE
[GND-SHORT]
[B1067] [B1072]
• Front passenger air bag module circuit is shorted to ground
ASSIST A/B MODULE
[SHORT]
[B1068] [B1073]
• Front passenger air bag module circuits are shorted to each oth-
er
CONTROL UNIT
[B1074-B1079]
• Air bag diagnosis sensor unit is out of order or mis-match
Replace air bag diagnosis sensor unit
Diagnostic item
Explanation
Repair order
“Recheck SRS at each replacement”
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