Eclipse V6-3.8L (6G75) (2006)
Turn-Signal Light And Lighting Switch Input Circuit
CIRCUIT OPERATION
The ETACS-ECU operates the following equipment or functions according to signal from the column switch (turn-signal light and lighting switch):
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Light reminder tone alarm function
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Headlight
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Turn-signal light
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High-beam indicator
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Turn-signal indicators
TECHNICAL DESCRIPTION (COMMENT)
If the signal is not normal, the equipment or functions described in "CIRCUIT OPERATION" do not work normally. If the signal is not normal, the
column switch (turn-signal light and lighting switch) or the ETACS-ECU may be defective.
TROUBLESHOOTING HINTS
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The column switch (turn-signal light and lighting switch) 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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MB992006: Extra Fine Probe
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MB991958: Scan Tool (MUT-III Sub Assembly)
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MB991824: V.C.I.
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MB991827: MUT-III USB Cable
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MB991910: MUT-III Main Harness A
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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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MB991822: Probe Harness
STEP 1. Use scan tool MB991958 to select "ECU COMM Check" on the SWS monitor display.
Check the column-ECU.
CAUTION: To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or
disconnecting scan tool MB991958. Connect special tool MB991910 before connecting special tool MB991812. Be sure to connect special tool
MB991806 after turning on special tool MB991824.