Galant L4-2.4L (4G69) (2004)
CIRCUIT OPERATION
At the same time that the high beams are illuminated, the ETACS-ECU sends a signal to illuminate the high beam indicator via the CAN bus line.
TECHNICAL DESCRIPTION (COMMENT)
If the high beam indicator does not illuminate normally, connector(s), wiring harness in the CAN bus lines, the ETACS-ECU or the combination meter
may be defective.
TROUBLESHOOTING HINTS
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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 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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MB991958: Scan Tool (MUT-III Sub Assembly)
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MB991824: Vehicle Communication Interface (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. Check the headlights.
When the lighting switch is operated, check that the headlights illuminate/go off normally.
Q : Are the headlights in good condition?
YES : Go to Step 2.
NO : First, repair the headlights. Refer to Inspection Procedure H-7 "One of the headlights does not illuminate <2-bulb type>" or "One of the
headlights does not illuminate <4-bulb type>."