2007 INFINITI QX56 warning

TROUBLE DIAGNOSIS
SRS-21
< SERVICE INFORMATION >
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Warning lamp examples
Trouble Diagnosis with CONSULT-IIINFOID:0000000003532869
DIAGNOSTIC PROCEDURE 2
Refer to GI-36, "CONSULT-II Start Procedure" .
“AIR BAG” warning lamp operation-User mode- SRS condition Reference item
• No malfunction is detected.
• No further action is necessary.—
The system is malfunctioning and
needs to be repaired as indicated.Go to SRS-21, "
Trouble Diagnosis
with CONSULT-II" with CONSULT-
II or SRS-28, "
Trouble Diagnosis
without CONSULT-II" without CON-
SULT-II.
• Air bag is deployed.
• Seat belt pre-tensioner is deployed.
• Seat belt buckle pre-tensioner as-
sembly is deployed.Go to SRS-49
.
• Air bag diagnosis sensor unit is mal-
functioning.
• Air bag power supply circuit is mal-
functioning.
• SRS air bag warning lamp circuit is
malfunctioning.Go to SRS-32, "
Trouble Diagnosis:
"AIR BAG" Warning Lamp Does Not
Turn Off" .
• Air bag diagnosis sensor unit is mal-
functioning.
• Air bag warning lamp circuit is mal-
functioning.Go to SRS-33, "
Trouble Diagnosis:
"AIR BAG" Warning Lamp Does Not
Turn On" .
SHIA0011E
SHIA0012E
SHIA0013E
SHIA0014E

SRS-22
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Diagnostic code is displayed on "SELF-DIAG [CURRENT]".
If no malfunction is detected on "SELF-DIAG [CURRENT]", but mal-
function is detected in "SRS Operation Check", the following cases
may exist:
• "SELF-DIAG [PAST]" memory might not be erased.
• The SRS system malfunctions intermittently.
Refer to "DIAGNOSTIC PROCEDURE 4".
CONSULT-II Diagnostic Code Chart
WHIA0151E
SRS701
Diagnostic item ExplanationRepair order
Recheck SRS at each replacement
NO DTC IS DETECTEDMalfunction is indicat-
ed by the “AIR BAG”
warning lamp in User
mode.Low battery voltage (Less than 9V) 1. Go to SC-4
.
2. Go to "DIAGNOSTIC PROCE-
DURE 3" .
“SELF-DIAG [PAST]” memory might
not be erased.Go to "DIAGNOSTIC PROCEDURE 4"
.
Intermittent malfunction has been
detected in the past.Go to "DIAGNOSTIC PROCEDURE 5"
.
No malfunction is detected in User mode. —
DRIVER AIRBAG MODULE
[OPEN]
[B1049] or [B1054]Driver air bag module circuit is open (including the spiral ca-
ble).1. Visually check the wiring harness
connection.
2. Replace the harness if it has visi-
ble damage.
3. Replace driver air bag module.
4. Replace the spiral cable.
5. Replace the air bag diagnosis
sensor unit.
6. Replace the related harness. DRIVER AIRBAG MODULE
[VB-SHORT]
[B1050] or [B1055]Driver air bag module circuit is shorted to some power supply
circuit (including the spiral cable).
DRIVER AIRBAG MODULE
[GND-SHORT]
[B1051] or [B1056]Driver air bag module circuit is shorted to ground (including
the spiral cable).
DRIVER AIRBAG MODULE
[SHORT]
[B1052] or [B1057]Driver air bag module circuits are shorted to each other.

SRS-26
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
NOTE:
Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is
eliminated using air bag warning lamp or CONSULT-II each time repair is finished. If malfunction is still
observed, proceed to the next step. When malfunction is eliminated, further repair work is not required.
DIAGNOSTIC PROCEDURE 3
Final Check of SRS Using CONSULT-II—Diagnosis Mode
Refer to GI-36, "CONSULT-II Start Procedure" .
OCCUPANT SENS C/U
[COMM FAIL]
[B1022]Communication between the occupant classification system
control unit and air bag diagnosis sensor unit is interrupted.1. Visually check the wiring harness
connection.
2. Replace the harness if it has visi-
ble damage.
3. Replace RH front seat cushion/
occupant classification system
control unit assembly.
4. Replace the air bag diagnosis
sensor unit.
5. Replace the related harness.
OCCUPANT SENS
[UNIT FAIL]
[B1018]Occupant classification sensor is malfunctioning. 1. Replace RH front seat cushion/
occupant classification system
control unit assembly.
BELT TENSION SENS
[UNIT FAIL]
[B1019]Belt tension sensor is malfunctioning. 1. Visually check the wiring harness
connection.
2. Replace the harness if it has visi-
ble damage.
3. Replace RH front seat belt as-
sembly.
4. Replace RH front seat cushion/
occupant classification system
control unit assembly.
5. Replace the related harness.
PASS A/B INDCTR CKT
[B1023]Front passenger air bag off indicator is malfunctioning. 1. Visually check the wiring harness
connection.
2. Replace the harness if it has visi-
ble damage.
3. Replace front passenger air bag
off indicator.
4. Replace the air bag diagnosis
sensor unit.
5. Replace the related harness.
FRONTAL COLLISION
DETECTION
[B1209]Driver and front passenger air bag modules are deployed. 1. Refer to SRS-49
.
SIDE COLLISION
DETECTION
[B1210]Side or curtain air bag modules are deployed (with side air
bags only).
ROLLOVER DETECTION
[B1211]Curtain air bag module and seat belt pre-tensioner are de-
ployed. Diagnostic item ExplanationRepair order
Recheck SRS at each replacement

TROUBLE DIAGNOSIS
SRS-27
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1. If no DTC is detected on “SELF-DIAG [CURRENT]”, repair of
SRS is completed. Go to step 2.
If any DTC is detected on “SELF-DIAG [CURRENT]”, the mal-
functioning part has not been repaired completely or another
malfunctioning part is being detected. Go to "DIAGNOSTIC
PROCEDURE 2" .
2. Touch “ERASE”.
NOTE:
Touch “ERASE” to clear the memory of the malfunction
(“SELF-DIAG [PAST]”).
If the memory of the malfunction in “SELF-DIAG [PAST]” is not
erased, the User mode shows the system malfunction by the
operation of the warning lamp even if the malfunction is repaired
completely.
3. Touch “BACK” key of CONSULT-II to “SELECT DIAG MODE”
screen. Touch “SELF-DIAG [PAST]”.
4. Check that no malfunction is detected on “SELF-DIAG [PAST]”.
5. Touch “BACK” key of CONSULT-II until “SELECT SYSTEM”
appears in order to return to User mode from Diagnosis mode.
6. Turn ignition switch OFF then turn off and disconnect CON-
SULT-II.
7. Go to SRS-20, "
SRS Operation Check" .
DIAGNOSTIC PROCEDURE 4
Check SRS Repair History
1.CONSIDER POSSIBILITY THAT SELF-DIAGNOSTIC RESULT WAS NOT ERASED AFTER REPAIR
Check repair history of the SRS.
Have any previous repairs been made to the SRS?
Yes >> Self-diagnostic result “SELF-DIAG [PAST]” (previously stored in the memory) might not be erased
after repair. Go to "DIAGNOSTIC PROCEDURE 3" .
No >> Go to "DIAGNOSTIC PROCEDURE 2" .
DIAGNOSTIC PROCEDURE 5
SRS701
WHIA0151E
BCIA0031E
SRS702

SRS-28
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Check SRS Intermittent Malfunction Using CONSULT-II—Diagnosis Mode
Refer to GI-36, "CONSULT-II Start Procedure" .
1. If diagnostic codes are displayed on “SELF-DIAG [PAST]”, go to
step 4.
If no malfunction is detected on “SELF-DIAG [PAST]”, touch
“BACK” and go back to “SELECT DIAG MODE”.
2. Touch “TROUBLE DIAG RECORD”.
NOTE:
With “TROUBLE DIAG RECORD”, diagnosis results previ-
ously erased by a reset operation can be displayed.
3. Diagnostic code is displayed on “TROUBLE DIAG RECORD”.
4. Touch “PRINT”.
5. Compare diagnostic codes to "CONSULT-II Diagnostic Code
Chart".
6. Touch “BACK” key of CONSULT-II until “SELECT SYSTEM”
appears.
7. Turn ignition switch OFF, then turn off and disconnect CON-
SULT-II, and both battery cables.
8. Repair the system as outlined by the “Repair order” in “Intermit-
tent Malfunction Diagnostic Code Chart”, that corresponds to the
self-diagnostic result. For replacement procedure of component
parts, refer to the Removal and Installation procedure for the appropriate component.
9. Go to "DIAGNOSTIC PROCEDURE 3" , for final checking.
Trouble Diagnosis without CONSULT-IIINFOID:0000000003532870
DIAGNOSTIC PROCEDURE 6
Inspect SRS Malfunction Using "AIR BAG" Warning Lamp—Diagnosis Mode
NOTE:
WHIA0152E
SRS702
BCIA0031E
WHIA0153E

TROUBLE DIAGNOSIS
SRS-29
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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.
"AIR BAG" warning lamp operates in Diagnosis mode as follows:
WARNING LAMP FLASH CODE CHART
SHIA0026E
WHIA0260E
WHIA0198E
WHIA0261E

SRS-32
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Trouble Diagnosis: "AIR BAG" Warning Lamp Does Not Turn Off
INFOID:0000000003532871
DIAGNOSTIC PROCEDURE 7
WHIA0253E
WHIA0254E
WHIA0255E
WHIA0211E
WHIA0212E

TROUBLE DIAGNOSIS
SRS-33
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1.CHECK CONDITION OF AIR BAG MODULE
Inspect for any deployed air bag modules or seat belt pre-tensioners.
Are any air bag modules or seat belt pre-tensioners deployed?
Yes >> Refer to SRS-49 .
No >> GO TO 2.
2.CHECK THE AIR BAG FUSE
Check 10A fuse [No. 13, located in the fuse block (J/B)].
Refer to PG-3
.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3.CHECK AIR BAG FUSE AGAIN
Replace 10A fuse [No. 13, located in the fuse block (J/B)] and turn ignition switch ON.
Does the fuse blow again?
Yes >> Repair harness.
No >> Inspection End.
4.CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Connect CONSULT-II and touch “START”.
Is
“AIR BAG” displayed on CONSULT-II?
Yes >> GO TO 5.
No >> Visually inspect the air bag diagnosis sensor unit har-
ness connections. If the connections are OK, replace
the air bag diagnosis sensor unit. Refer to SRS-47,
"Removal and Installation" .
5.CHECK HARNESS CONNECTION
Check for loose connections between the combination meter and the air bag diagnosis sensor unit.
OK or NG
OK >> Replace air bag diagnosis sensor unit. Refer to SRS-47, "Removal and Installation" .
NG >> Properly connect the combination meter and air bag diagnosis sensor unit harness connectors. If
“AIR BAG” warning lamp still does not turn off, replace the wiring harness.
Trouble Diagnosis: "AIR BAG" Warning Lamp Does Not Turn OnINFOID:0000000003532872
DIAGNOSTIC PROCEDURE 8
1.CHECK METER FUSE
Check the 10A fuse [No. 14, located in the fuse block (J/B)] .
Refer to PG-3
.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2.REPLACE METER FUSE AND CHECK AGAIN
Replace 10A fuse [No. 14, located in the fuse block (J/B)] and turn ignition switch ON.
Does the fuse blow again?
Yes >> Replace harness.
No >> Inspection End.
BCIA0030E