Mitsubishi Montero (2004+). Manual — part 1219
FRONT IMPACT SENSORS
TSB Revision
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-211
FRONT IMPACT SENSORS
REMOVAL AND INSTALLATION
M1524001500311
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 or otherwise
a new one is required.
•
Replace the sensors with new ones after the air bag has deployed.
Pre-removal Operation
Turn the ignition key to the "LOCK" (OFF) position.
ACX00596
ACX00583
2
3
1
4.9 ± 1.0 N·m
43 ± 8 in-lb
AC
REMOVAL STEPS
<<A>>
1.
NEGATIVE (-) BATTERY CABLE
CONNECTION
2.
RESERVE TANK
3.
FRONT IMPACT SENSOR
INSTALLATION STEPS
>>A<<
•
PRE-INSTALLATION
INSPECTION
>>B<<
3.
FRONT IMPACT SENSOR
2.
RESERVE TANK
1.
NEGATIVE (-) BATTERY CABLE
CONNECTION
>>C<<
•
POST-INSTALLATION
INSPECTION
FRONT IMPACT SENSORS
TSB Revision
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-212
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 air
bag(s) deployment.
INSTALLATION SERVICE POINTS
.
>>A<<PRE-INSTALLATION INSPECTION
When a new front impact sensor is installed, refer to the previ-
ous item "INSPECTION."
.
>>B<<FRONT IMPACT SENSOR INSTALLATION
WARNING
The SRS may mot 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 shown 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.
ACX00583
INSULATING TAPE
BATTERY
BATTERY CABLE (–)
AC
ACX00588
FENDER SHIELD
PANEL
FRONT IMPACT SENSOR
AB
FRONT IMPACT SENSORS
TSB Revision
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-213
3. Does the "SRS" warning light illuminate for approximately
seven seconds, and then remain off for at least five seconds
after turning "OFF"?
4. If yes, the SRS system is functioning properly.
If no, consult page
.
INSPECTION
M1524001600288
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
Always replace the sensor with a new one of the
resistance is not within the standard value.
2. Measure the resistance between the terminals and check
whether it is within the standard value.
Standard value: 820
± 82 Ω
ACX01667
AT
TEMP
SRS
P
R
N
D
5
4
3
2
1
x1000r/min
2
3
4
5
6
7
8
1
AB
SRS WARNING LIGHT
AC204205AB
FRONT IMPACT SENSORS
TSB Revision
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-214
3. Check for continuity between the terminal and the bracket.
When there is continuity, it shows insufficient insulation of
the sensor. Replace the sensor with a new one.
4. Deformation and rust on the headlight support panel.
ACX00598AB
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