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NATS ANTENNA AMP.SEC-159
< REMOVAL AND INSTALLATION > [WITHOUT INTELLIGENT KEY SYSTEM]
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REMOVAL AND INSTALLATION
NATS ANTENNA AMP.
Removal and InstallationINFOID:0000000012430491
REMOVAL
1. Remove combination switch. Refer to BCS-75, "Removal and Installation".
2. Remove the NATS antenna amp bolt (A).
3. Disconnect the harness connector (B) from the NATS antenna amp. (1) and remove.
INSTALLATION
Installation is in the reverse order of removal.
NOTE:
• If NATS antenna amp. is not installed correctly, NV IS (NATS) system will not operate properly and “SELF-
DIAG RESULTS" on CONSULT screen will show “LOCK MODE” or "CHAIN OF IMMU-KEY".
• Initialization is not necessary when only the NATS antenna amp. is replaced with a new one.
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COMPONENT PARTSSRC-9
< SYSTEM DESCRIPTION >
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• Driver front air bag module
• Passenger front air bag module
• LH side curtain air bag module
• RH side curtain air bag module
• Front LH seat belt pre-tensioner
• Front RH seat belt pre-tensioner
Always pull up to release locking tab prior to removing connector
from SRS component.
Always push down to lock locking tab after installing connector to
SRS component. When locked, the locking tab is level with the con-
nector housing.
SLIDE DOUBLE LOCKING
• A new style slide double locking type connector is used on certain systems and components, especially those related to airbag control systems.
• The slide double locking type connectors help prevent incomplete locking and accidental looseness or dis-
connection.
• The slide double locking type connectors are disconnected by pushing or pulling the slider. Refer to the fig- ure below.
CAUTION:
• Do not pull the harness or wires when disconnecting the connector.
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SRS AIR BAG WARNING LAMP DOES NOT TURN OFF
SRC-97
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
SRS AIR BAG WARNING LAMP DOES NOT TURN OFF
Diagnosis ProcedureINFOID:0000000012430683
1.CHECK AIR BAG MODULE AND SEAT BELT PRE-TENSIONER
Check the deployment of air bag module.
Is air bag module deployed?
YES >> Replace the malfunctioning parts.
NO >> GO TO 2.
2.CHECK AIR BAG FUSE
Check 10 A fuse [No.7, located in fuse block (J/B)].
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace the fuse.
3.CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Replace harness connectors.
4.CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace wiring harness.
5.REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace air bag diagnosis sensor unit. Refer to SR-30, "
Removal and Installation".
2. Check air bag warning lamp operation.
Is the inspection result normal?
YES >> Inspection End.
NO >> GO TO 6.
6.REPLACE COMBINATION METER
1. Replace combination meter. Refer to MWI-54, "
Removal and Installation" (type A) or MWI-115, "Removal
and Installation" (type B).
2. Check air bag warning lamp operation.
Is the inspection result normal?
YES >> Inspection End.
NO >> GO TO 1.
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SEAT BELT WARNING SYSTEMSRC-99
< SYMPTOM DIAGNOSIS >
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SEAT BELT WARNING SYSTEM
Seat Belt Warning Syst em Does Not FunctionINFOID:0000000012430685
1.SEAT BELT WARNING LIGHT
Turn ignition switch ON.
Does the seat belt warning lamp come ON?
YES >> GO TO 2.
NO >> • Check 10A fuse [No. 8, loca ted in the fuse block (J/B)].
• Check seat belt buckle switch (driver seat).
• Check harness between combination meter and seat belt buckle switch (driver seat).
• Check combination meter. Refer to MWI-11, "
METER SYSTEM : Fail-safe" (type A) or MWI-62,
"METER SYSTEM : Fail-safe" (type B).
2.SEAT BELT BUCKLE (DRIVER SEAT)
Fasten the seat belt buckle (driver seat).
Does the seat belt warning lamp go OFF?
YES >> GO TO 3.
NO >> • Check seat belt buckle switch (driver seat). • Check harness between combination meter and seat belt buckle switch (driver seat).
3.OCCUPANT CLASSIFICATION SYSTEM
Have a helper sit in the passenger seat.
Does the seat belt warning lamp go ON?
YES >> GO TO 4.
NO >> • Check occupant classification system. Refer to SRC-11, "
OCCUPANT CLASSIFICATION SYS-
TEM : System Description".
• Check harness between occupant classification control unit and air bag diagnosis sensor unit.
4.SEAT BELT BUCKLE (PASSENGER SEAT)
Fasten the seat belt buckle (passenger seat).
Does the seat belt warning lamp go OFF?
YES >> System OK.
NO >> • Check seat belt buckle switch (passenger seat). • Check harness between seat belt buckle switch (passenger seat) and air bag diagnosis sensor
unit.
• Replace air bag diagnosis sensor unit. Refer to SR-30, "
Removal and Installation".
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DRIVER AIR BAG MODULESR-13
< REMOVAL AND INSTALLATION >
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• Do not use air tools or electric tools for servicing.
CAUTION:
• Do not allow oil, grease, detergent or water to come in contact with the driver air bag module.
REMOVAL
1. Disconnect negative and positive battery terminals, then wait at least three minutes. Refer to PG-70,
"Removal and Installation (Battery)".
2. Remove driver air bag module type 1:
a. Locate the access holes on side of steering wheel rear finisher (1) and insert ( ) a 5.0 mm (0.20 in) diameter suitable tool (A).
b. Push suitable tool inward ( ) and make sure the tool contacts the spring (D). While pushing on spring (D), push on the driver
air bag module. The driver air bag module hook will release,
then pull to release from steering wheel. Repeat procedure on
springs (B) and (C).
NOTE:
Driver air bag module removed for clarity.
c. Lift driver air bag module away from the steering wheel and dis- connect the driver air bag module harness connectors (A) and
the horn harness connector (B). Then remove the harnesses
from hook (C).
NOTE:
Take note of harness routing for correct installation.
CAUTION:
• For removing/installing the driver air bag module harness
connector, insert a thin screwdriver wrapped in tape into
the notch, then lift the lock and remove the harness con-
nector as shown.
• Install the harness connector with the lock raised, and push the lock into the connector as shown.
• After installing the connector, check that the lock is pushed in securely.
3. Remove driver air bag module type 2:
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SR-14
< REMOVAL AND INSTALLATION >
DRIVER AIR BAG MODULE
a. Remove side lid (LH and RH).Insert flat-bladed screwdriver between side lid and steering
wheel to disengage pawls as shown in the figure.
b. Remove bolts (LH and RH) from the steering wheel lower side.
c. Pull out driver air bag module.
d. Disconnect spiral cable harness connector (A).
e. Disconnect driver air bag harness connector (B).
CAUTION:
• For installing/removing the driver air bag module harnessconnector, insert thin screwdriver wrapped in tape into
notch, lift lock and remove the connector.
• Install the connector with lock raised, and push lock into
the connector.
• After installing the conn ector, check that the lock is
pushed securely into it.
4. Remove the driver air bag module. NOTE:
Driver air bag type 1 shown, type 2 similar.
CAUTION:
• Always place the driver air ba g module with pad side fac-
ing upward.
: Upward
: Pawl
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SR-18
< REMOVAL AND INSTALLATION >
SPIRAL CABLE
• Set the spiral cable neutral position by carefully turning the spiralcable (1) clockwise to the stop position. Turn the spiral cable coun-
terclockwise 2.5 turns stopping when the locating pin (A) is at the
top most position, triangles (B) are aligned as shown and the win-
dow (C) appears white.
NOTE:
If a new service part is installed, the neutral position is already set
with a stopper clip in place and should not be adjusted after the
stopper clip is removed. Make sure the stopper clip is removed
before installing the steering wheel.
• During steering wheel (2) installation, make sure the locating pin hole (D) is aligned with the locating pin (A) of the spiral cable.
• Adjust the neutral position of the steering angle sensor. Refer to
BRC-55, "
ADJUSTMENT OF STEERI NG ANGLE SENSOR NEU-
TRAL POSITION : Description".
CAUTION:
• The spiral cable may snap during steering operation if the spiral cable is installed in an improper
position.
• Do not overturn the spiral cable or go beyond the maximum number of turns allowed. This will cause
the cable to snap.
• Do not apply lubricant to the spiral cable.
• Do not allow oil, grease, detergent or water to come in contact with the spiral cable.
• After the work is completed, perform diagnosis to check that no malfunction is detected. Refer to
SRC-14, "
Description".
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SR-22
< REMOVAL AND INSTALLATION >
SIDE CURTAIN AIR BAG MODULE
• For removing/installing the side curtain air bag moduleharness connector, insert a thin screwdriver wrapped in
tape into the notch, lift the lock and remove the harness
connector as shown.
• Install the harness connector with the lock raised, and push the lock into the harness connector as shown.
• After installing the harness connector, check that the lock
is pushed in securely.
4. Remove the tether bolt, then the remaining side curtain air bag module bolts.
INSTALLATION
Installation is in the reverse order of removal.
WARNING:
When installing the side curtain air bag module make sure it is not twisted between attachment brack-
ets.
CAUTION:
• Make sure to attach the double stick tape to the tether and adhere it to the pillar.
• Do not damage the harness while installi ng the side curtain air bag module.
• After the work is completed, perform self-diagnos is to check that no malfunction is detected. Refer
to SRC-14, "
Description".
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