Lancer Evolution L4-2.0L DOHC Turbo (2003)
TROUBLESHOOTING HINTS
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Trouble in input signal system
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The wiring harness or connectors may have loose, corroded, or damaged terminals, or terminals pushed back in the connector
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The combination meter (seat belt warning light bulb or printed-circuit board) may be defective
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The ETACS-ECU may be defective
DIAGNOSIS
Required Special Tools:
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MB991223: Harness Set
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MB991502: Scan Tool (MUT-II)
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MB991496: Main unit
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MB991497: Test Harness (for communication)
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MB991958: Scan Tool (MUT-III Sub Assembly)
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MB991824: V.C.I.
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MB991827: USB Cable
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MB991911: Main Harness B
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MB991813: SWS monitor kit
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MB991806: SWS monitor cartridge
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MB991812: SWS monitor harness (for column-ECU)
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MB991922: Probe harness
STEP 1.
Use scan tool MB991502 or MB991958 to select "ECU COMM Check" on the SWS monitor display.
Check the ETACS-ECU.
CAUTION: To prevent damage to scan tool MB991502 or MB991958, always turn the ignition switch to the "LOCK" (OFF) position before
connecting or disconnecting scan tool MB991502 or MB991958. Connect special tool MB991497 or MB991911 before connecting special tool
MB991812. Be sure to connect special tool MB991806 after turning on special tool MB991496 or MB991824.
