Infiniti QX56 (Z62). Manual — part 1215
SRC-64
< DTC/CIRCUIT DIAGNOSIS >
B1049, B1054 DRIVER AIR BAG MODULE
4.
Check continuity between driver air bag module harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace combination switch (spiral cable). Refer to
SR-14, "Removal and Installation"
.
4.
REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1.
Replace air bag diagnosis sensor unit. Refer to
SR-26, "Removal and Installation"
2.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected?
YES
>> GO TO 5.
NO
>> INSPECTION END
5.
REPLACE DRIVER AIR BAG MODULE
1.
Replace driver air bag module. Refer to
SR-11, "Removal and Installation"
.
2.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
Driver air bag module
Combination switch (spiral cable)
Continuity
Connector
Terminal
Connector
Terminal
M301
10
M32
28
Existed
11
30
M300
12
29
9
30
Driver side air bag module
Ground
Continuity
Connector
Terminal
M301
10
Not existed
11
M300
12
9
B1050, B1055 DRIVER AIR BAG MODULE
SRC-65
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1050, B1055 DRIVER AIR BAG MODULE
DTC Logic
INFOID:0000000006219998
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAG RESULT
With CONSULT-III
1.
Turn ignition switch ON.
2.
Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1.
Turn ignition switch ON.
2.
Check the air bag warning lamp status. Refer to
SRC-14, "On Board Diagnosis Function"
.
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES
>> Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006219999
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes
or more. (To discharge backup capacitor.)
• Never use unspecified tester or other measuring device.
1.
CHECK HARNESS CONNECTOR
Check the 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.
REPLACE SPIRAL CABLE
1.
Replace combination switch (spiral cable). Refer to
SR-14, "Removal and Installation"
2.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected?
YES
>> GO TO 4.
NO
>> INSPECTION END
4.
REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1.
Replace air bag diagnosis sensor unit. Refer to
SR-26, "Removal and Installation"
2.
Perform DTC confirmation procedure. Refer to
.
DTC
Display contents of
CONSULT-III
DTC detecting condition
Possible cause
B1050
B1055
DRIVER AIRBAG
MODULE
[VB-SHORT]
Driver air bag module circuit is shorted to
power supply circuit
(including the spiral cable)
• Harness or connectors
(The module circuit is shorted.)
• Malfunction in driver air bag module
• Malfunction in spiral cable
• Malfunction in air bag diagnosis sensor unit
SRC-66
< DTC/CIRCUIT DIAGNOSIS >
B1050, B1055 DRIVER AIR BAG MODULE
Is DTC detected?
YES
>> GO TO 5.
NO
>> INSPECTION END
5.
REPLACE DRIVER AIR BAG MODULE
1.
Replace driver air bag module. Refer to
SR-11, "Removal and Installation"
.
2.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
B1051, B1056 DRIVER AIR BAG MODULE
SRC-67
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1051, B1056 DRIVER AIR BAG MODULE
DTC Logic
INFOID:0000000006220000
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAG RESULT
With CONSULT-III
1.
Turn ignition switch ON.
2.
Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1.
Turn ignition switch ON.
2.
Check the air bag warning lamp status. Refer to
SRC-14, "On Board Diagnosis Function"
.
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES
>> Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006220001
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes
or more. (To discharge backup capacitor.)
• Never use unspecified tester or other measuring device.
1.
CHECK HARNESS CONNECTOR
Check the 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 SPIRAL CABLE CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect driver air bag module harness connector and combination switch (spiral cable) harness con-
nector.
3.
Check continuity between driver air bag module harness connector and combination switch (spiral cable)
harness connector.
DTC
Display contents of
CONSULT-III
DTC detecting condition
Possible cause
B1051
B1056
DRIVER AIRBAG
MODULE
[GND-SHORT]
Driver air bag module circuit is shorted to ground
(including the spiral cable)
• Harness or connectors
(The module circuit is shorted.)
• Malfunction in driver air bag module
• Malfunction in spiral cable
• Malfunction in air bag diagnosis sensor unit
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст