Infiniti QX56 (Z62). Manual — part 1214
SRC-60
< DTC/CIRCUIT DIAGNOSIS >
B1037, B1039, B1041 CRASH ZONE SENSOR
B1037, B1039, B1041 CRASH ZONE SENSOR
DTC Logic
INFOID:0000000006219992
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:0000000006219993
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 CRASH ZONE SENSOR
1.
Replace crash zone sensor. Refer to
SR-22, "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
.
Is DTC detected?
YES
>> GO TO 1.
DTC
Display contents of
CONSULT-III
DTC detecting condition
Possible cause
B1037
B1039
B1041
CRASH ZONE SENS1
Crash zone sensor is malfunctioning
• Disconnection of wiring harness
• Malfunction in crash zone sensor
• Malfunction in air bag diagnosis sensor unit
B1037, B1039, B1041 CRASH ZONE SENSOR
SRC-61
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
NO
>> INSPECTION END
SRC-62
< DTC/CIRCUIT DIAGNOSIS >
B1042, B1043, B1044, B1045, B1046, B1047 DIAGNOSIS SENSOR UNIT
B1042, B1043, B1044, B1045, B1046, B1047 DIAGNOSIS SENSOR UNIT
DTC Logic
INFOID:0000000006219994
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:0000000006219995
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
B1042
B1043
B1044
B1045
B1046
B1047
CONTROL UNIT
Air bag diagnosis sensor unit is malfunctioning
Malfunction in air bag diagnosis sensor unit
B1049, B1054 DRIVER AIR BAG MODULE
SRC-63
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1049, B1054 DRIVER AIR BAG MODULE
DTC Logic
INFOID:0000000006219996
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:0000000006219997
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
B1049
B1054
DRIVER AIRBAG
MODULE
[OPEN]
Driver air bag module circuit is open
(including the spiral cable)
• Harness or connectors
(The module circuit is open.)
• Malfunction in driver air bag module
• Malfunction in spiral cable
• Malfunction in air bag diagnosis sensor unit
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