Mitsubishi Grandis. Manual — part 1043
SRS CONTROL UNIT (SRS-ECU)
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-224
REMOVAL SERVICE POINT
<<A>>NEGATIVE BATTERY CABLE
DISCONNECTION
DANGER
Wait at least 60 seconds after disconnecting
the battery cable before doing any further
work (Refer to
).
WARNING
Battery posts, terminals and related
accessories contain lead and lead
compounds. WASH HANDS AFTER
HANDLING.
Disconnect the negative battery cable from the
battery and tape the terminal to prevent accidental
connection and air bag(s) deployment.
INSTALLATION SERVICE POINTS
>>A<< SRS-ECU INSTALLATION
WARNING
The SRS may not activate if SRS-ECU is not
installed properly.
>>B<< POST-INSTALLATION
INSPECTION
1. Connect the negative battery cable.
2. Turn the ignition key to "ON" position.
3. Does the SRS warning lamp illuminate for about 7
seconds, and then remain extinguished for at
least 5 seconds after turning OFF?
4. If no, refer to troubleshooting (Refer to
).
INSPECTION
M1524002200421
WARNING
If any problems are found, replace the
SRS-ECU.
• Check the SRS-ECU and brackets for dents,
cracks or deformation.
• Check the SRS-ECU connector for damage, and
the terminals for deformation.
NOTE: For the checks other than the items above,
refer to "Troubleshooting" (Refer to
).
•
Gearshift link mounting bracket
<M/T> (Refer to GROUP 22A,
Transmission control assembly
2.
SRS-ECU
Installation steps
>>A<<
2.
SRS-ECU
•
Gearshift link mounting bracket
<M/T> (Refer to GROUP 22A,
Transmission control assembly
•
Rear heater duct (Refer to GROUP
55, Ventilators
.)
•
Centre console (Refer to GROUP
52A, Instrument panel assembly
1.
Negative battery cable connection
>>B<<
•
Post-installation inspection
Removal steps (Continued)
ACX00583
Insulating tape
Battery
Battery cable (–)
AC
AC312486
SRS warning lamp
AB
DRIVER'S, FRONT PASSENGER'S AIR BAG MODULE(S) AND CLOCK SPRING
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-225
DRIVER'S, FRONT PASSENGER'S AIR BAG MODULE(S)
AND CLOCK SPRING
REMOVAL AND INSTALLATION
M1524014500043
WARNING
•
Never attempt to disassemble or repair the air bag modules or clock spring. If faulty,
replace it.
•
Do not drop the air bag modules or clock spring or allow contact with water, grease or oil.
Replace it if a dent, crack, deformation or rust is detected.
•
The air bag modules should be stored on a flat surface is facing upward. Do not place
anything on top of it.
•
Do not expose the air bag modules to temperatures over 93
°
C.
•
After deployment of an air bag, replace the clock spring with a new one.
•
Wear gloves and safety glasses when handling air bags that have already deployed.
•
An non-deployed air bag module should only be disposed of in accordance with the
procedures (Refer to
).
<DRIVER’S AIR BAG MODULE AND
CLOCK SPRING>
AC312548
AC312158
AB
1
2
3
7
41 ± 8 N·m
0.70 ± 0.15 N·m
N
6
5
A
A
Section
A - A
Claw
7
6
9.0 ± 2.0 N·m
8
B
C
C
Column switch
Section B - B
Section C - C
Claw
Claw
Note
8
B
: Claw positions
4
Air bag module removal steps
<<A>>
1. Negative battery cable connection
<<B>>
2. Cover
•
Horn connector connection
<<C>>
•
Air bag module connector connection
<<D>>
3. Air bag module
Air bag module removal steps
DRIVER'S, FRONT PASSENGER'S AIR BAG MODULE(S) AND CLOCK SPRING
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-226
<PASSENGER'S (FRONT) AIR BAG
MODULE>
Clock spring removal steps
<<A>>
1. Negative battery cable connection
<<B>>
2. Cover
•
Horn connector connection
<<C>>
•
Air bag module connector connection
<<D>>
3. Air bag module
4. Clock spring sub harness <Vehicles
for auto-cruise control switch>
<<E>>
5. Steering wheel assembly
6. Lower column cover
7. Upper column cover
8. Clock spring
Air bag module installation steps
>>A<<
•
Pre-installation inspection
>>C<<
3. Air bag module
>>D<<
•
Air bag module connector connection
>>D<<
•
Horn connector connection
2. Cover
1. Negative battery cable connection
>>E<<
•
Post-installation inspection
Clock spring installation steps
>>A<<
•
Pre-installation inspection
>>B<<
8. Clock spring
7. Upper column cover
6. Lower column cover
>>C<<
5. Steering wheel assembly
4. Clock spring sub harness <Vehicles
for auto-cruise control switch>
>>C<<
3. Air bag module
2. Cover
1. Negative battery cable connection
>>E<<
•
Post-installation inspection
Air bag module installation steps
AC312550
AC312210
AC311439
2
AB
3
5.0 ± 1.0 N·m
1
Removal steps
<<A>>
1. Negative battery cable connection
•
Instrument panel (Refer to GROUP
52A, Instrument panel
2. Backbone bracket
<<G>>
3. Passenger’s (front) air bag module
Installation steps
>>A<<
•
Pre-installation inspection
3. Passenger’s (front) air bag module
2. Backbone bracket
•
Instrument panel (Refer to GROUP
52A, Instrument panel
.)
DRIVER'S, FRONT PASSENGER'S AIR BAG MODULE(S) AND CLOCK SPRING
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-227
REMOVAL SERVICE POINTS
<<A>> NEGATIVE BATTERY CABLE
DISCONNECTION
DANGER
Wait at least 60 seconds after disconnecting
the battery cable before doing any further
work. (Refer to
WARNING
Battery posts, terminals and related
accessories contain lead and lead
compounds. WASH HANDS AFTER
HANDLING.
Disconnect the negative battery cable from the
battery and tape the terminal to prevent accidental
connection and air bag(s) deployment.
<<B>>COVER REMOVAL
Insert the special tool ornament remover
(MB990784) as shown in the illustration to remove
the cover.
<<C>> AIR BAG MODULE CONNECTOR
DISCONNECTION
Slide the outer housing of the clock spring or front
passenger’s air bag module connector in the arrow
direction shown, and disconnect the connector.
<<D>> DRIVER’S AIR BAG MODULE
REMOVAL
WARNING
•
Never use an electric tester to diagnose
the air bag module circuit. Never attempt
to disassemble the air bag module.
•
The removed driver's air bag module
should be stored in a clean, dry place with
the deployment surface facing up.
<<E>> STEERING WHEEL ASSEMBLY
REMOVAL
CAUTION
Use the special tool to remove the steering wheel
since the steering column collision absorbing
mechanism may be damaged.
1. Position the steering wheel in a straight ahead
direction.
2. Using the special tool (Steering wheel puller,
MB990803), remove the steering wheel assembly
as shown in the figure.
1. Negative battery cable connection
>>E<<
•
Post-installation inspection
Installation steps (Continued)
ACX00583
Insulating tape
Battery
Battery cable (–)
AC
AC302436AD
MB990784
Cover
AC306561AG
Outer housing of the clock spring or
front passenger's air bag module connector
AC302792
AC
MB990803
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