Infiniti QX56 (Z62). Manual — part 1216
SRC-68
< DTC/CIRCUIT DIAGNOSIS >
B1051, B1056 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
B1052, B1057 DRIVER AIR BAG MODULE
SRC-69
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
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L
M
A
B
SRC
N
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P
B1052, B1057 DRIVER AIR BAG MODULE
DTC Logic
INFOID:0000000006220002
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:0000000006220003
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-I
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 combination switch (spiral cable) terminals.
DTC
Display contents of
CONSULT-III
DTC detecting condition
Possible cause
B1052
B1057
DRIVER AIRBAG
MODULE
[SHORT]
Driver air bag module circuit are shorted to each
other
(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-70
< DTC/CIRCUIT DIAGNOSIS >
B1052, B1057 DRIVER AIR BAG MODULE
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace combination switch (spiral cable). Refer to
SR-14, "Removal and Installation"
.
4.
CHECK SPIRAL CABLE CIRCUIT-II
Check continuity between combination switch (spiral cable) terminals.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace combination switch (spiral cable). Refer to
SR-14, "Removal and Installation"
.
5.
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 6.
NO
>> INSPECTION END
6.
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
Combination switch (spiral cable)
Continuity
Connector
Terminal
Connector
Terminal
M301
10
M301
11
Not existed
M300
9
12
Combination switch (spiral cable)
Continuity
Connector
Terminal
Terminal
M32
28
29
Not existed
30
B1058, B1059, B1060, B1061, B1062, B1063 DIAGNOSIS SENSOR UNIT
SRC-71
< DTC/CIRCUIT DIAGNOSIS >
C
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A
B
SRC
N
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B1058, B1059, B1060, B1061, B1062, B1063 DIAGNOSIS SENSOR UNIT
DTC Logic
INFOID:0000000006220004
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:0000000006220005
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 connectors.
2.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace wiring harness.
3.
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 1.
NO
>> INSPECTION END
DTC
Display contents of
CONSULT-III
DTC detecting condition
Possible cause
B1058
B1059
B1060
B1061
B1062
B1063
CONTROL UNIT
Air bag diagnosis sensor unit is malfunctioning
Malfunction in air bag diagnosis sensor unit
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