Lancer Evolution L4-2.0L DOHC Turbo (2003)
Data List
3. Read the data list (fault duration and how many times memories are erased) using scan tool MB991502 or MB991958.
4. Erase the diagnostic trouble codes and, after waiting five seconds or more, read (and write down) all displayed diagnostic trouble codes.
REPAIR PROCEDURE
WHEN FRONT AIR BAGS DEPLOY IN A COLLISION
1. Replace the following parts with new ones.
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Front impact sensor
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SRS-ECU
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Air bag module
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Seat belt with pre-tensioner
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Instrument panel
2. Check the following parts and replace if there are any malfunctions.
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Clock spring
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Steering wheel, steering column and shaft assembly
1. Check the wiring harness (built into the steering wheel) and connectors for damage, and terminals for deformation.
2. Install the air bag module to check fit or alignment with the steering wheel.
3. Check the steering wheel for noise, binding or difficult operation and excessive free play.
4. Check the steering column shaft shock absorbing mechanism (Refer to On-Vehicle Service-Steering Column Shaft Assembly Shock
Absorbing Mechanism Check).
3. Check the wiring harnesses for binding, the connectors for damage, poor connections, and the terminals for deformation.
WHEN AIR BAGS DO NOT DEPLOY IN LOW-SPEED COLLISION.
Check the SRS components. If the SRS components are showing any visible damage such as dents, cracks, or deformation, replace them with new ones.
Concerning parts removed for inspection, replacement with new parts and cautionary points for working, refer to appropriate INDIVIDUAL
COMPONENT SERVICE.
FRONT IMPACT SENSOR
1. Check the radiator support panel for distortion and rust.
2. Check the front impact sensor for dents, cracks, deformation or rust.
3. Check the front impact sensor wiring harness for binding, check the connector for damage, and check the terminals for deformation.
