Mitsubishi Galant 9G. Manual - part 1490

AIR BAG MODULES AND CLOCK SPRING

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-370

Required Special Tools: 

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

• MB991824: Vehicle Communication Interface 

(V.C.I.)

• MB991827: MUT-III USB Cable

• MB991910: MUT-III Main Harness A (Vehi-

cles with CAN communication system)

• MB991222: Probe

• MB990803: Steering  Wheel Puller 

<Air bag module (front passenger's side)>

6. STEERING WHEEL REMOTE 

CONTROL HARNESS

5. STEERING WHEEL DYNAMIC 

DAMPER

>>C<<

4. AIR BAG MODULE ASSEMBLY
3. CONNECTORS (FOR HORN, AIR 

BAG MODULE, AND STEERING 
WHEEL REMOTE CONTROL 
HARNESS)

2. COVER
1. NEGATIVE (

−) BATTERY CABLE 

CONNECTION

>>D<<

•

POST-INSTALLATION INSPECTION

CLOCK SPRING INSTALLATION 
STEPS (Continued)

AC307663 AB

1

4

3

2

AIR BAG MODULE REMOVAL 
STEPS

<<A>>

1. NEGATIVE (

−) BATTERY CABLE 

CONNECTION

<<B>>

2. CONNECTORS
•

INSTRUMENT PANEL ASSEMBLY 
(REFER TO GROUP 52A, 
INSTRUMENT PANEL 

P.52A-3

).

•

DISTRIBUTION DUCT (REFER TO 
GROUP 52A, INSTRUMENT PANEL 

P.52A-8

).

3. AIR BAG MODULE BRACKET

<<F>>

4. AIR BAG MODULE

AIR BAG MODULE INSTALLATION 
STEPS

>>A<<

•

PRE-INSTALLATION INSPECTION

4. AIR BAG MODULE
3. AIR BAG MODULE BRACKET
•

DISTRIBUTION DUCT (REFER TO 
GROUP 52A, INSTRUMENT PANEL 

P.52A-8

).

AIR BAG MODULE REMOVAL 
STEPS (Continued)

AIR BAG MODULES AND CLOCK SPRING

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-371

Required Special Tool:

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

• MB991824: Vehicle Communication Interface 

(V.C.I.)

• MB991827: MUT-III USB Cable

• MB991910: MUT-III Main Harness A (Vehi-

cles with CAN communication system)

REMOVAL SERVICE POINTS

.

<<A>> NEGATIVE (

−) BATTERY CABLE DISCON-

NECTION

DANGER

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

P.52B-26

).

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>> CONNECTOR (FOR AIR BAG MODULE) 
REMOVAL

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.

.

•

INSTRUMENT PANEL ASSEMBLY 
(REFER TO GROUP 52A, 
INSTRUMENT PANEL 

P.52A-3

).

2. CONNECTOR
1. NEGATIVE (

−) BATTERY CABLE 

CONNECTION

>>D<<

•

POST-INSTALLATION INSPECTION

AIR BAG MODULE INSTALLATION 
STEPS (Continued)

ACX00583

INSULATING TAPE

BATTERY

BATTERY CABLE (–)

AC

AC306561AE

OUTER HOUSING OF THE CLOCK SPRING 
OR FRONT PASSENGER'S AIR BAG 
MODULE CONNECTOR

AIR BAG MODULES AND CLOCK SPRING

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-372

<<C>> AIR BAG MODULE ASSEMBLY REMOVAL

WARNING

•

The air bag module must not be measured with 
such equipment as an ohmmeter.

•

The air bag module must not be disassembled.

•

The removed air bag module should be stored in a 
clean, dry place with the deployment surface fac-
ing up.

Loosen the torx screw and remove the air bag module assem-
bly.

.

<<D>>STEERING WHEEL ASSEMBLY REMOVAL

Use special tool MB990803 to remove the steering wheel.

.

<<E>> CLOCK SPRING REMOVAL

WARNING

The removed clock spring should be stored in a 
clean, dry place.

.

<<F>> AIR BAG MODULE REMOVAL (FRONT 
PASSENGER’S SIDE)

WARNING

•

When the passenger’s air bag module is removed, 
do not damage the engagement of the pawls.

•

The removed passenger’s air bag module should 
be stored in a clean, dry place with  the deploy-
ment surface facing up.

INSTALLATION SERVICE POINTS

.

>>A<< PRE-INSTALLATION INSPECTION

WARNING

Dispose of air bag modules only according to the 
specified procedure. (Refer to 

P.52B-387

).

1. When installing the new air bag modules and clock spring, 

refer to “INSPECTION” (

P.52B-374

).

2. Connect the negative (

−) battery cable.

AC000991AB

MB990803

AIR BAG MODULES AND CLOCK SPRING

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-373

CAUTION

To prevent damage to scan tool MB991958, always turn the 
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
3. Connect scan tool MB991958 to the data link connector.

4. Turn the ignition switch to the “ON” position.

5. Check DTCs using scan tool MB991958 to ensure entire 

SRS operates properly.
At this time, check that no DTC except B1400, B1410, 
B1480 and B1490 are set.

DANGER

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

P.52B-26

).

WARNING

Battery posts, terminals and related accessories con-
tain lead and lead compounds. WASH HANDS AFTER 
HANDLING.

6. Turn the ignition switch to the "LOCK" (OFF) position. 

Disconnect the negative (

−) battery cable and tape the 

terminal to prevent accidental connection and air bags 
deployment.

.

>>B<< CLOCK SPRING INSTALLATION

WARNING

Ensure that the clock spring’s mating marks are prop-
erly aligned. If not, the steering wheel may not rotate 
completely during a turn, or the flat cable in the clock 
spring could be damaged, This would prevent normal 
SRS operation and possibly cause serious injury to 
the driver.

1. Align the mating marks of the clock spring. 

<Mating Mark Alignment>
Turn the clock spring clockwise fully. Then turn it back 
approximately 3-3/4 turns counterclockwise to align the 
mating marks.

2. Turn the front wheels to the straight-ahead position. Then 

install the clock spring to the column switch.

.

AC305412

AB

MB991910

DATA LINK

CONNECTOR

MB991824

MB991827

AC306756AB

MATING MARKS