Eclipse RS L4-2350cc 2.4L SOHC MFI (2002)
Headlight Relay (High-beam) Circuit
CIRCUIT OPERATION
When the dimmer switch is turned on, the column switch sends a signal to the front-ECU. Then the front-ECU switches the headlights from low-beam to
high beam or vice versa.
TECHNICAL DESCRIPTION (COMMENT)
If the headlights (high beam) do not illuminate normally, the column switch or the front-ECU may be defective.
TROUBLESHOOTING HINTS
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Malfunction of column switch (turn-signal light and lighting switch)
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Malfunction of the front-ECU
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Damaged harness wires or connectors
DIAGNOSIS
Required Special Tools:
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MB991223: Test Harness Set
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MB991502: Scan Tool (MUT-II)
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MB991862: SWS Monitor Kit
