Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMITSUBISHI2005LANCER EVOLUTION L4-2.0L DOHC TURBOREPAIR AND DIAGNOSISRESTRAINTS AND SAFETY SYSTEMSAIR BAG SYSTEMSIMPACT SENSORSERVICE AND REPAIR
2005 Mitsubishi Lancer Evolution L4-2.0L DOHC Turbo
Impact Sensor: Service and Repair
2005 Mitsubishi Lancer Evolution L4-2.0L DOHC TurboSECTION Service and Repair
FRONT IMPACT SENSORS
REMOVAL AND INSTALLATION
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.
NOTE: The illustration above shows the front impact sensor (LH). The position of the front impact sensor (RH) is symmetrical to this.
REMOVAL SERVICE POINT
[[A]]NEGATIVE (-) BATTERY CABLE DISCONNECTION
DANGER: Wait at least 60 seconds after disconnecting the battery cable before doing any further work.
WARNING: Battery posts, terminals and related accessories contain 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 the new front impact sensor refer to the previous item "INSPECTION."
]]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 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.
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, Refer to "Displaying & Reading Trouble codes".
REMOVAL AND INSTALLATION
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.
NOTE: The illustration above shows the front impact sensor (LH). The position of the front impact sensor (RH) is symmetrical to this.
REMOVAL SERVICE POINT
[[A]]NEGATIVE (-) BATTERY CABLE DISCONNECTION
DANGER: Wait at least 60 seconds after disconnecting the battery cable before doing any further work.
WARNING: Battery posts, terminals and related accessories contain 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 the new front impact sensor refer to the previous item "INSPECTION."
]]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 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.
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, Refer to "Displaying & Reading Trouble codes".
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.