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SRS-40
TROUBLE DIAGNOSIS
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TROUBLE DIAGNOSISSRS-41
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SRS-42
TROUBLE DIAGNOSIS
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TROUBLE DIAGNOSISSRS-43
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SRS-44
TROUBLE DIAGNOSIS
Revision: November 20092006 QX56
Trouble Diagnosis: “AIR BAG” Warning Lamp Does Not Turn OffEHS0016V
DIAGNOSTIC PROCEDURE 6
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-60, "COLLISION DIAGNOSIS" .
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-4, "
POWER SUPPLY ROUTING CIRCUIT" .
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-58,
"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-58, "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.
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Trouble Diagnosis: “AIR BAG” Warning Lamp Does Not Turn OnEHS0016W
DIAGNOSTIC PROCEDURE 7
1. CHECK METER FUSE
Check the 10A fuse [No. 14, located in the fuse block (J/B)].
Refer to PG-4, "
POWER SUPPLY ROUTING CIRCUIT" .
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. CHECK METER FUSE AGAIN
Replace 10A fuse [No. 14, located in the fuse block (J/B)] and turn ignition switch ON.
Does the fuse blow again?
Yes >> Repair harness.
No >> Inspection End.
3. CHECK HARNESS CONNECTION BETWEEN AIR BAG DIAGNOSIS SENSOR UNIT AND COMBINA-
TION METER Disconnect the air bag diagnosis sensor unit harness connectors and turn ignition switch ON.
Does
“AIR BAG” warning lamp turn on?
Yes >> Replace the air bag diagnosis sensor unit. Refer to SRS-58, "Removal and Installation" .
No >> Check the combination meter ground circuits.
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SRS-46
DRIVER AIR BAG MODULE
Revision: November 20092006 QX56
DRIVER AIR BAG MODULEPFP:K8510
Removal and InstallationEHS0016X
REMOVAL
CAUTION:
Do not attempt to repair or replace damaged direct-connect SRS component connectors. If a
driver air bag direct-connect harness connector is damaged, the spiral cable must be replaced.
Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at
least 3 minutes.
When servicing the SRS, do not work from directly in front of air bag module.
1. Disconnect the negative and positive battery cables, then wait at least 3 minutes.
2. Remove the left and right side lids and bolts.
3. Lift the driver air bag module from the steering wheel.
4. Disconnect the horn connector and air bag harness, then remove the driver air bag module.
For removal/installation of the direct-connect SRS connectors, refer to SRS-7, "Direct-connect SRS
Component Connectors" .
CAUTION:
When servicing the SRS, do not work from directly in front of air bag module.
Always place air bag module with pad side facing upward.
Do not insert any foreign objects (screwdriver, etc.) into air
bag module or harness connectors.
Do not disassemble air bag module.
Do not use old bolts after removal; replace with new bolts.
Do not expose the air bag module to temperatures exceed-
ing 90 °C (194 °F).
1. Horn harness 2. Steering wheel hook 3. Inflator harness
4. Side lids RH/LH 5. Driver air bag module 6. Steering wheel
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DRIVER AIR BAG MODULESRS-47
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Replace the air bag module if it has been dropped or sus-
tained an impact.
Do not allow oil, grease or water to come in contact with the
air bag module.
INSTALLATION
Installation is in the reverse order of removal.
If driver air bag module is being replaced due to deployment, spiral cable must also be replaced. Refer to
SRS-48, "
SPIRAL CABLE" .
For removal/installation of the direct-connect SRS connectors, refer to SRS-7, "Direct-connect SRS Com-
ponent Connectors" .
After the work is completed, perform self-diagnosis to check that no malfunction is detected. Refer to
SRS-20, "
SRS Operation Check" .
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