Mitsubishi Montero Sport (2004+). Manual — part 753
FRONT IMPACT SENSORS
TSB Revision
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-81
INSPECTION
M1524001600299
FRONT IMPACT SENSOR CHECK
WARNING
If a dent, crack, deformation or rust is detected,
replace with a new sensor.
1. Check the front impact sensor for dents, cracks, deformation
or rust.
WARNING
If the resistance value shows short-circuit or
open-circuit, be sure to replace the front impact sen-
sor with a new one.
2. Check for short-circuit or open-circuit between the front
impact sensor terminals.
When short-circuit: 1 ohm and less
When open-circuit: 1 mega ohm and above
3. Check for continuity between the terminal and the bracket.
If there is continuity, it shows insufficient insulation of the
sensor. Replace the sensor with a new one.
4. Check for deformation and rust on the fender shield panel.
1
2
AC003894 AC
1
2
1
2
AC003895
AC
SRS CONTROL UNIT (SRS-ECU)
TSB Revision
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-82
SRS CONTROL UNIT (SRS-ECU)
M1524002100457
REMOVAL AND INSTALLATION
WARNING
•
Never attempt to disassemble or repair the SRS-ECU. If faulty, replace it.
•
Do not drop or subject the SRS-ECU to impact or vibration. If denting, cracking, deforma-
tion, or rust are discovered in the SRS-ECU, replace it with a new SRS-ECU.
•
After deployment of an air bag, replace the SRS-ECU with a new one.
•
Never use an ohmmeter on or near the SRS-ECU, and use only the special test equipment
described on
and
Pre-removal Operation
• Turn the ignition key to the "OFF"(OFF) position.
• Floor Console Removal (Refer to GROUP 52A, Floor
Console
Post-installation Operation
• Floor Console Installation (Refer to GROUP 52A, Floor
Console
AC003311
4.9 N·m
43 in-lb
4.9 N·m
43 in-lb
4.9 N·m
43 in-lb
2
3
1
AB
REMOVAL STEPS
<<A>>
1.
NEGATIVE (
−) BATTERY CABLE
CONNECTION
2.
SRS-ECU BRACKET
3.
SRS-ECU
INSTALLATION STEPS
>>A<<
3.
SRS-ECU
2.
SRS-ECU BRACKET
1.
NEGATIVE (
−) BATTERY CABLE
CONNECTION
>>B<<
•
POST-INSTALLATION
INSPECTION
SRS CONTROL UNIT (SRS-ECU)
TSB Revision
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-83
REMOVAL SERVICE POINT
.
<<A>> NEGATIVE (
−) BATTERY CABLE DISCONNECTION
DANGER
Wait at least 60 seconds after disconnecting the bat-
tery cable before doing any further work. (Refer to
.)
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 deploy-
ment.
INSTALLATION SERVICE POINTS
.
>>A<< SRS-ECU INSPECTION
WARNING
The SRS may not active if the SRS-ECU is not
installed properly, which could result in serious injury
or death to the vehicle's driver or front passenger.
.
>>B<< POST-INSTALLATION INSPECTION
1. Reconnect the negative (
−) battery cable.
2. Turn the ignition key to the "ON" position.
3. Does the "SRS" warning light illuminate for approximately 7
seconds, and then remain off for at least 5 seconds after
turning "OFF?"
4. If yes, the SRS system is functioning properly.
If no, consult
ACX00583
INSULATING TAPE
BATTERY
BATTERY CABLE (–)
AC
AC003277AD
SRS WARNING LIGHT
AIR BAG MODULES AND CLOCK SPRING
TSB Revision
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-84
INSPECTION
M1524002200197
WARNING
If a dent, crack, deformation or rust is discovered,
replace the SRS-ECU with a new one.
• Check the SRS-ECU and brackets for dents, cracks or
deformation.
• Check the SRS-ECU connector for damage, and the termi-
nals for deformation.
NOTE: Refer to
for inspection of SRS-ECU for
other than physical damage.
AIR BAG MODULES AND CLOCK SPRING
REMOVAL AND INSTALLATION
M1524002400544
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 and placed so that the pad surface
is facing upward. Do not place anything on top of it.
•
Do not expose the air bag modules to temperatures over 93
°
C (200
°
F).
•
After deployment of an air bag, replace the air bag modules. Check the clock spring, and if
faulty, replace it with a new part.
•
Wear gloves and safety glasses when handling air bags that have already deployed.
•
An undeployed air bag module should only be disposed of in accordance with the proce-
dures (Refer to
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