Mitsubishi Montero (2004+). Manual - part 1221

AIR BAG MODULE(S) AND CLOCK SPRING

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-219

Required Special Tools: 

• MB990784: Ornament Remover 

• MB991223 (MB991222): Harness Set (Probe)

• MB991958: Scan Tool (MUT-III Sub Assembly)

• MB991824: Vehicle Communication Interface 

(V.C.I.)

• MB9991827: MUT-III USB Cable

• MB991911: MUT-III Main Harness B (Vehicles 

without CAN communication system)

AIR BAG MODULE REMOVAL 
STEPS

<<A>>

1.

NEGATIVE (-) BATTERY CABLE 
CONNECTION

<<B>>

2.

COVER

<<C>>

3.

STEERING WHEEL AND AIR 
BAG MODULE

4.

STEERING WHEEL

<<D>>

5.

AIR BAG MODULE
CLOCK SPRING REMOVAL 
STEPS

<<A>>

1.

NEGATIVE (-) BATTERY CABLE 
CONNECTION

<<B>>

2.

COVER

<<C>>

3.

STEERING WHEEL AND AIR 
BAG MODULE

•

COLUMN COVER LOWER

<<E>>

6.

CLOCK SPRING

7.

CLOCK SPRING SUB HARNESS
AIR BAG MODULE 
INSTALLATION STEPS

>>A<<

•

PRE-INSTALLATION 
INSPECTION

5.

AIR BAG MODULE

4.

STEERING WHEEL

>>C<<

3.

STEERING WHEEL AND AIR 
BAG MODULE

2.

COVER

1.

NEGATIVE (-) BATTERY CABLE 
CONNECTION

>>D<<

•

POST-INSTALLATION 
INSPECTION
CLOCK SPRING 
INSTALLATION STEPS

>>A<<

•

PRE-INSTALLATION 
INSPECTION

7.

CLOCK SPRING SUB HARNESS

>>B<<

6.

CLOCK SPRING

•

COLUMN COVER LOWER

>>C<<

3.

STEERING WHEEL AND AIR 
BAG MODULE

2.

COVER

1.

NEGATIVE (-) BATTERY CABLE 
CONNECTION

>>D<<

•

POST-INSTALLATION 
INSPECTION

AIR BAG MODULE 
INSTALLATION STEPS 

AIR BAG MODULE(S) AND CLOCK SPRING

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-220

<AIR BAG MODULE (FRONT PASSENGER'S SIDE)>

Required Special Tool:
MB991958: Scan Tool (MUT-III Sub Assembly)

• MB991824: Vehicle Communication Interface 

(V.C.I.)

• MB9991827: MUT-III USB Cable

• MB991911: MUT-III Main Harness B (Vehicles 

without CAN communication system)

ACX01488

ACX00583

1

2

AB

3

AIR BAG MODEL REMOVAL 
STEPS

<<A>>

1.

NEGATIVE (-) BATTERY CABLE 
CONNECTION

•

GLOVE BOX, UPPER (REFER TO 
GROUP 52A, INTERIOR 

P.52A-3

). 

•

GLOVE BOX (REFER TO GROUP 
52A, INTERIOR 

P.52A-3

).

<<F>>

2.

AIR BAG SIDE PLATE

<<G>>

3.

AIR BAG MODULE

AIR BAG MODULE 
INSTALLATION STEPS

>>A<<

•

PRE-INSTALLATION INSPECTION

3.

AIR BAG MODULE 

2.

AIR BAG SIDE PLATE

•

GLOVE BOX (REFER TO GROUP 
52A, INTERIOR 

P.52A-3

).

•

GLOVE BOX, UPPER (REFER TO 
GROUP 52A, INTERIOR 

P.52A-3

). 

1.

NEGATIVE BATTERY CABLE 
CONNECTION

>>D<<

•

POST-INSTALLATION 
INSPECTION

AIR BAG MODULE(S) AND CLOCK SPRING

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-221

REMOVAL SERVICE POINTS

.

<<A>> NEGATIVE (-) BATTERY CABLE DISCONNECTION

DANGER

Wait at least 60 seconds after disconnecting the bat-
tery cable before doing any further work (Refer to 

P.52B-18

).

WARNING

Battery posts, terminals and related accessories con-
tain 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 from the position as shown by the arrow 
in the illustration to remove the cover.
NOTE: There is a cutout for tool insertion at the inside of posi-
tion shown in the illustration.

.

<<C>> STEERING WHEEL AIR BAG MODULE ASSEMBLY 
REMOVAL
1. Remove the air bag module and the horn switch connector 

through the hole appeared after removing the steering wheel 
cover.

ACX00583

INSULATING TAPE

BATTERY

BATTERY CABLE (–)

AC

ACX00600 AB

MB990784

AC100441AE

D-229 AIR BAG MODULE
CONNECTOR

STEERING WHEEL

A

AIR BAG MODULE(S) AND CLOCK SPRING

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-222

2. Loosen the bolt completely before removing the steering 

wheel assembly.
NOTE: We recommend to use the commercial hex bit socket 
or the hexagonal wrench which effective length of hexagonal 
portion is 75 mm (3.0 in). and over and which width across 
flats is 8 mm (0.3 in).
Recommended tool: Hex bit socket 8 mm (0.3 in). (Type: 
3010M-160, 4010M-160) made by KOKEN 

.

<<D>> AIR BAG MODULE (DRIVER’S SIDE) REMOVAL

CAUTION

• Do not diagnose the circuit using an electric circuit 

tester or disassemble the air bag module.

• Keep the removed driver's seat side air bag module at 

the clean and dry place turning the pad face up.

.

<<E>> CLOCK SPRING REMOVAL

CAUTION

Keep the removed clock spring at the clean and dry place.

.

<<F>> AIR BAG SIDE PLATE REMOVAL
1. After removing the mounting bolt of the air bag side plate, 

slide the plate downward to disengage it from the front 
passenger's side seat air bag module.

2. After removing the mounting bolts and nuts of the front 

passenger's side seat air bag module, slide the front 
passenger's side seat air bag module crosswise to remove 
the air bag side plate.

.

ACX01304AB

LONG HEX
WRENCH

ACX01305 AC

INSTRUMENT PANEL

AIR BAG 
SIDE PLATE

DISENGAGE