Mitsubishi Evolution X. Manual - part 733

ON-VEHICLE SERVICE

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-379

(5) The execution check of the zero calibration.

(6) The zero calibration has been completed when the 

screen as shown in the illustration is displayed. The OK 
button is pushed and it progresses to the next.

(7) The start of 66 lbs system test.

(8) The execution check of the 66 lbs system test.

(9) The 66 lbs system test has been completed when the 

screen as shown in the illustration is displayed. The OK 
button is pushed and it progresses to the next.

(10)The start of 0 lbs system test.

(11)The execution check of the 0 lbs system test.

AC609604

AB

Zero-calibration

Completed.

Go on to the 66lbs System Test.

MUT-lll-- Web Web Page Dialog

AC710647

AB

MUT-lll-- Web Web Page Dialog

66lbs System Test

Do you want to start?

AC710648

AB

MUT-lll-- Web Web Page Dialog

66lbs System Test

Test passed.

Go on to the 0kg System Test.

AC710649

AB

MUT-lll-- Web Web Page Dialog

0lbs System Test

Do you want to start?

AC710650

AB

FRONT IMPACT SENSORS

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SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-380

(12)The 0 lbs system test has been completed when the 

screen as shown in the illustration is displayed.

FRONT IMPACT SENSORS

REMOVAL AND INSTALLATION 

M1524001501198

WARNING

•

Never repair or disassemble the front impact sensor. If faulty, replace it. 

•

Handle the front impact sensors very carefully, taking care not to drop them. They must 
be replaced if they are dropped.

•

Replace the sensors with new ones after the air bag has deployed.

NOTE: The figure indicates the left front impact sen-
sor. The right impact sensor is symmetrical to this.

MUT-lll-- Web Web Page Dialog

0lbs System Test

Test passed.

All procedure is completed.
Please erase stored DTCS set during
the test in OCM and SRS-AIR BAG.

AC710651

AB

Pre-removal Operation
• Turn the ignition key to the "LOCK" (OFF) position. 

AC709459 AB

1

12 ± 1 N·m 
102 ± 13 in-lb

2

3

4

Headlight

Removal steps 

<<

A

>>

1.

Negative (

−) battery cable

•

Headlight support panel cover 
(Refer to Group 51, Front Bumper 
Assembly and Radiator Grille 

P.51-3

).

2.

Air bag sensor bracket

<<

B

>>

3.

Front impact sensor connector

4.

Front impact sensor
Installation steps 

>>

A

<<

•

Pre-installation inspection

>>

B

<<

4.

Front impact sensor

3.

Front impact sensor connector

2.

Air bag sensor bracket

•

Headlight support panel cover 
(Refer to Group 51, Front Bumper 
Assembly and Radiator Grille 

P.51-3

).

1.

Negative(

−) battery cable

>>

C

<<

•

Post-installation inspection

Installation steps (Continued)

FRONT IMPACT SENSORS

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SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-381

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-25

).

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>> FRONT IMPACT SENSOR CONNECTOR 
REMOVAL

Press the connector lock of the harness-side connector of the 
front impact sensor to release the lock. Then, remove the har-
ness-side connector by pulling it in the direction of the arrow. 

ACX00583

Insulating tape

Battery cable

Battery

AF

AC700462

AC707048

AC707283

AC

Connector lock

Front impact sensor

Harness side 
connector

Section A - A

A

A

FRONT IMPACT SENSORS

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-382

INSTALLATION SERVICE POINTS

.

>>A<< PRE-INSTALLATION INSPECTION

When installing the new front impact sensor, refer to "INSPEC-
TION."

.

>>B<< FRONT IMPACT SENSOR INSTALLATION

WARNING

The SRS may not activate properly if a front impact 
sensor is not installed properly, which could result in 
serious injury or death to the vehicle's driver.

1. Securely connect the connector.
2. Position the front impact sensor facing toward the front of 

the vehicle as indicated by the arrow on the label, and install 
it securely.

.

>>C<< POST-INSTALLATION INSPECTION

1. Reconnect the negative (

−) battery cable.

2. Turn the ignition key to "ON" position.
3. Does the "SRS" warning light illuminate for approximately 

seven seconds, and then go out?

4. If yes, the SRS system is functioning properly.

If not, consult page 

P.52B-31

.

INSPECTION 

M1524001600761

WARNING

If a dent, crack, deformation or rust is 
detected, replace with a new sensor.

NOTE: For checking of the front impact sensor other 
than described below, refer to the section concerning 
SRS diagnosis (Refer to 

P.52B-31

).

1. Check the front impact sensor and bracket for 

dents, cracks or deformation.

2. Check the connector for damage, and terminals 

for deformation.

3. Check that there is no bending or corrosion in the 

radiator support panel.

AC709154

SRS warning light

AB