2009 INFINITI QX56 Factory Service Manual

fuse diagram display lock key fuel cap warning light

Page 3513 of 4171

INFINITI QX56 2009 Factory Service Manual ON BOARD DIAGNOSTIC (OBD) SYSTEMSRC-15
< FUNCTION DIAGNOSIS >
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Trouble Diagnosis without CONSULT-IIIINFOID:0000000003775186
DIAGNOSTIC PROCEDURE 6
Inspect SRS Malfuncti

ON BOARD DIAGNOSTIC (OBD) SYSTEMSRC-15
< FUNCTION DIAGNOSIS >
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Trouble Diagnosis without CONSULT-IIIINFOID:0000000003775186
DIAGNOSTIC PROCEDURE 6
Inspect SRS Malfunction Using "AIR BAG" Warning Lamp—Diagnosis Mode
NOTE:
SRS will not enter Diagnosis mode if no malfunction is detected in User mode.
1. Turn ignition switch ON.
2. After “AIR BAG” warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.
3. Wait more than 3 seconds.
4. Repeat steps 1 to 3 two more times (3 times total).
5. Turn ignition switch ON.
SRS is now in Diagnosis mode. Refer to SRC-85, "
Trouble Diagnosis without CONSULT-III".
CONSULT-III Function (AIR BAG)INFOID:0000000003775187
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
Self-Diagnosis Function (Without CONSULT-III)INFOID:0000000003775188
• The reading of these results is accomplished using one of two modes — “User mode” and “Diagnosis
mode”.
• After a malfunction is repaired, turn the ignition s witch OFF for at least one second, then back ON. Diagnosis
mode returns to the User mode. At that time, the self-diagnostic result is cleared.
AIR BAG diagnostic mode Description
SELF-DIAG [CURRENT] A current Self-diagnosis result (also indicated by the number of warning lamp flashes in the Diagnosis
mode) is displayed on the CONSULT-III screen in real
time. This refers to a malfunctioning part requir-
ing repairs.
SELF-DIAG [PAST] Diagnosis results previously stored in the memo
ry are displayed on the CONSULT-III screen. The
stored results will remain until memory erasing is executed.
TROUBLE DIAG RECORD With TROUBLE DIAG RECORD, diagnosis results previously erased by a reset operation can be dis-
played on the CONSULT-III screen.
ECU DISCRIMINATED NO. Air bag diagnosis sensor unit ECU discriminated number (identification number) is displayed. Air bag
diagnosis sensor unit has individual ECU discriminated number (identification number) based on model
and equipment.
PASSENGER AIR BAG The STATUS (readiness) of the front passenger air bag module is displayed. The STATUS displayed
(ON/OFF) depends on the signals supplied to the occupant classification system control module and
air bag diagnosis sensor unit. Refer to
SRC-10, "
Occupant Classification System (OCS)" for more in-
formation.
Revision: December 20092009 QX56

Page 3514 of 4171

INFINITI QX56 2009 Factory Service Manual SRC-16
< FUNCTION DIAGNOSIS >
ON BOARD DIAGNOSTIC (OBD) SYSTEM
HOW TO CHANGE SELF-DIAGNOSIS MODE
DIAGNOSTIC PROCEDURE 3
Final Check of SRS Using CONSULT-III—Diagnosis Mode
1. Connect CONSULT-III.
2

Page 3515 of 4171

INFINITI QX56 2009 Factory Service Manual B1049 – B1052, B1054 – B1057 DRIVER AIRBAG MODULE
SRC-17
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COMPONENT DIAGNOSIS
B1049 – B1052, B1054 – B1057 DRIVER AIRBAG MODULE
Descri

Page 3516 of 4171

INFINITI QX56 2009 Factory Service Manual SRC-18
< COMPONENT DIAGNOSIS >
B1049 – B1052, B1054 – B1057 DRIVER AIRBAG MODULE
1.INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.CHECK SELF-DIAG RESULT
Check for the DTC on CONSULT-lll.

Page 3517 of 4171

INFINITI QX56 2009 Factory Service Manual B1049 – B1052, B1054 – B1057 DRIVER AIRBAG MODULE
SRC-19
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2.WIRING HARNESS
Is there any visible damage to the harness?
YES or NO
YES >> Rep

Page 3518 of 4171

INFINITI QX56 2009 Factory Service Manual SRC-20
< COMPONENT DIAGNOSIS >
B1065 – B1068, B1070 – B1073 PASSENGER AIRBAG MODULE
B1065 – B1068, B1070 – B1073 PASSENGER AIRBAG MODULE
DescriptionINFOID:0000000003775192
DTC B1065 – B1068,

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INFINITI QX56 2009 Factory Service Manual B1065 – B1068, B1070 – B1073 PASSENGER AIRBAG MODULE
SRC-21
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Is the DTC detected?
YES >> Refer to SRC-21, "Diagnosis Procedure (Component

Page 3520 of 4171

INFINITI QX56 2009 Factory Service Manual SRC-22
< COMPONENT DIAGNOSIS >
B1065 – B1068, B1070 – B1073 PASSENGER AIRBAG MODULE
>> GO TO 4
4.AIR BAG DIAGNOSIS SENSOR UNIT
Replace the air bag diagnosis sensor unit. Refer to SR-17, "
Remova

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