Montero V6-3.8L SOHC (2005)
Fog Light Switch Input Circuit
CIRCUIT OPERATION
The ETACS-ECU operates the fog lights according to signal from the fog light switch.
TECHNICAL DESCRIPTION (COMMENT)
If the signal is not normal, the fog lights do not work normally. If the signal is not normal, the fog light switch or the ETACS-ECU may be defective.
TROUBLESHOOTING HINTS
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The fog light switch may be defective
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The ETACS-ECU may be defective
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The wiring harness or connectors may have loose, corroded, or damaged terminals, or terminals pushed back in the connector
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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MB991911: MUT-III Main Harness B
