Infiniti QX56 (Z62). Manual — part 1204
SRC-20
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (AIR BAG)
The memory of “TROUBLE DIAG RECORD” cannot be erased.
• “SELF-DIAG RESULT [CAN]”
Self-diagnosis result other than “SELF-DIAG RESULT [CAN]” is erased when touching “Erase”.
SPECIAL FUNCTION
CAUSE OF WARNING (AIR BAG)
This item indicates IGN low or high voltage condition.
The air bag warning lamp blink in user mode when the battery voltage is lowered to the voltage value (less
than 9 V or highroad to the voltage value (more than 16V) at which the SRS cannot be operated normally. The
air bag warning lamp turns OFF after the battery voltage returns to normal status after blinking.
In such a case, the DTC memory is not performed and changing to the self-diagnostic mode by IGN operation
cannot be performed while the air bag warning lamp illuminates. “NO DTC” is displayed even if the malfunc-
tioning parts are checked by CONSULT-III.
This function records the following items.
CAUSE OF WARNING (OCCUPANT DETSCTION SYSTEM)
Detection status and detection record is displayed when air bag warning lamp blinks due to occupant detec-
tion function stop. Change to trouble diagnosis mode by ignition switch is not possible while warning lamp is
blinking due to occupant detection function stop. “NO DTC” is displayed even if the malfunctioning parts are
checked by CONSULT-III.
Display contents of CONSULT-III
Description
Air bag
IGN VOLT COND
“LOW” is displayed when IGN low or high voltage is detected. If not, “OK” is
displayed.
IGN VOLT TIME
Number of times of IGN low or high voltage is detected.
LOW V RECORED
Number of times of IGN ON after IGN low or high voltage is detected at first.
Display contents of CONSULT-III
Description
Occupant detection
system
FUNCTION STATUS
• “ON” or “STOP” is displayed according to occupant detection status that
is recognized by occupant detection system control unit.
• “STOP” is displayed when occupant detection function is stopped, if not,
“ON” is displayed.
STOP DETECTION
Displays number of times occupant detection function stop which is detect-
ed by occupant detection system control unit is displayed.
DETECTION RECORD
Displays number of times of IGN ON since first detection of occupant detec-
tion function stop is displayed.
DIAGNOSIS SYSTEM (OCCUPANT DETECTION SYSTEM)
SRC-21
< SYSTEM DESCRIPTION >
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SRC
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DIAGNOSIS SYSTEM (OCCUPANT DETECTION SYSTEM)
CONSULT-III Function
INFOID:0000000006219955
ZERO POINT RESET DESCRIPTION
This vehicle adopts occupant detection system with a weight detecting method. When replacing, or removing
and installing passenger seat, always perform “zero point rest” so that the vehicle recognizes zero point.
If zero point reset is incomplete, occupant detection sensor does not operate normally.
WORK SUPPORT
Monitor item
Description
Zero point reset function
Perform zero point reset. Refer to
SET : Special Repair Requirement"
.
SRC-22
< ECU DIAGNOSIS INFORMATION >
DIAGNOSIS SENSOR UNIT
ECU DIAGNOSIS INFORMATION
DIAGNOSIS SENSOR UNIT
DTC Index
INFOID:0000000006219956
DTC
Diagnostic item
Explanation
Reference page
—
NO DTC IS DETECTED.
When malfunction is
indicated by the “AIR
BAG” warning lamp in
the user mode
Low battery voltage (Less than 9 V) or
High battery voltage (more than 16 V)
SRC-19, "CON-
SULT-III Func-
tion"
Malfunction occurs in Occpant detac-
tion System
SRC-19, "CON-
SULT-III Func-
tion"
Self-diagnostic result is not erased af-
ter repair
SRC-14, "On
Board Diagnosis
Function"
Intermittent malfunction is detected in
the past
GI-40, "Intermit-
tent Incident"
No malfunction is detected
—
B1001-B1015
CONTROL UNIT
Air bag diagnosis sensor unit is malfunctioning
•
.
•
.
•
.
B1017
B1020
B1021
OCCUPANT SENS C/U
[UNIT FAIL]
Malfunction occurs in Occupant Detection System control unit
B1018
OCCUPANT SENS
[UNIT FAIL]
Malfunction occurs in Occupant Detection System sensor
B1022
OCCUPANT SENS C/U
[COMM FAIL]
Malfunction occurs in Occupant Detection System control unit,
circuit of Occupant Detection System control unit, or air bag di-
agnosis sensor unit
B1023
PASS A/B INDCTR CKT
Front passenger air bag OFF indicator circuit is open or short-
ed to ground or the circuits are shorted each other
B1025
B1032
B1048
OCS SENSOR
Malfunction occurs in Occupant Detection System control unit,
circuit of Occupant Detection System control unit, or air bag di-
agnosis sensor unit
B1026-B1031
CONTROL UNIT
Air bag diagnosis sensor unit is malfunctioning
.
B1033
B1034
CRASH ZONE SEN
[UNIT FAIL]
Crash zone sensor is malfunctioning
.
B1035
CRASH ZONE SEN
[COMM FAIL]
Crash zone sensor is malfunctioning
.
B1036
CRASH ZONE SEN
[UNMATCH]
Crash zone sensor is out of the specified specification
.
B1037
B1039
B1041
CRASH ZONE SEN1
Crash zone sensor is malfunctioning
.
B1042-B1047
CONTROL UNIT
Air bag diagnosis sensor unit is malfunctioning
.
B1049
B1054
DRIVER AIRBAG MODULE
[OPEN]
Driver air bag module circuit is open (including the spiral cable)
.
DIAGNOSIS SENSOR UNIT
SRC-23
< ECU DIAGNOSIS INFORMATION >
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B1050
B1055
DRIVER AIRBAG MODULE
[VB-SHORT]
Driver air bag module circuit is shorted to power supply circuit
(including the spiral cable)
B1051
B1056
DRIVER AIRBAG MODULE
[GND-SHORT]
Driver air bag module circuit is shorted to ground (including the
spiral cable)
B1052
B1057
DRIVER AIRBAG MODULE
[SHORT]
Driver air bag module circuits are shorted to each other (includ-
ing spiral cable)
B1058-B1063
CONTROL UNIT
Air bag diagnosis sensor unit is malfunctioning
B1065
B1070
ASSIST A/B MODULE
[OPEN]
Passenger air bag module circuit is open
B1066
B1071
ASSIST A/B MODULE
[VB-SHORT]
Passenger air bag module circuit is shorted to power supply
circuit
B1067
B1072
ASSIST A/B MODULE
[GND-SHORT]
Passenger air bag module circuit is shorted to ground
B1068
B1073
ASSIST A/B MODULE
[SHORT]
Passenger air bag module circuits are shorted to each other
B1074-B1079
CONTROL UNIT
Air bag diagnosis sensor unit is malfunctioning
B1080
B1096
DRIVER AIRBAG MODULE
[SHORT]
Driver air bag module circuits are shorted to each other (includ-
ing spiral cable)
B1081
PRE-TEN FRONT RH
[OPEN]
Seat belt pre-tensioner RH circuit is open
B1082
PRE-TEN FRONT RH
[VB-SHORT]
Seat belt pre-tensioner RH circuit is shorted to power supply
circuit
B1083
PRE-TEN FRONT RH
[GND-SHORT]
Seat belt pre-tensioner RH circuit is shorted to ground
B1084
PRE-TEN FRONT RH
[SHORT]
Seat belt pre-tensioner RH circuits are shorted to each other
B1086
PRE-TEN FRONT LH
[OPEN]
Seat belt pre-tensioner LH circuit is open
B1087
PRE-TEN FRONT LH
[VB-SHORT]
Seat belt pre-tensioner LH circuit is shorted to power supply
circuit
B1088
PRE-TEN FRONT LH
[GND-SHORT]
Seat belt pre-tensioner LH circuit is shorted to ground
B1089
PRE-TEN FRONT LH
[SHORT]
Seat belt pre-tensioner LH circuits are shorted to each other
B1090-B1095
CONTROL UNIT
Air bag diagnosis sensor unit is malfunctioning
B1106-B1111
CONTROL UNIT
Air bag diagnosis sensor unit is malfunctioning
B1113
B1114
SATELLITE SENS RH
[UNIT FAIL]
Front satellite sensor RH is malfunctioning
B1115
SATELLITE SENS RH
[COMM FAIL]
Front satellite sensor RH is malfunctioning
B1116
SATELLITE SENS RH
[UNMATCH]
Front satellite sensor RH is out of the specified specification
B1118
B1119
SATELLITE SENS LH
[UNIT FAIL]
Front satellite sensor LH is malfunctioning
B1120
SATELLITE SENS LH
[COMM FAIL]
Front satellite sensor LH is malfunctioning
B1121
SATELLITE SENS LH
[UNMATCH]
Front satellite sensor LH is out of the specified specification
DTC
Diagnostic item
Explanation
Reference page
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