Montero Sport V6-3.5L SOHC (2004)
Ignition Key Hole Illumination Circuit Part 2
CIRCUIT OPERATION
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The ETACS-ECU monitors the ignition switch by detecting voltage from the ignition switch.
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The ETACS-ECU judges that the driver's side door is opened or closed by detecting voltage from the front door switch (LH).
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When the driver's door is opened (door switch on), the ignition key hole illumination light will illuminate. When the driver's door is closed (door
switch off), the ignition key hole illumination light will go out within 15 seconds.
TECHNICAL DESCRIPTION (COMMENT)
The cause is probably a short circuit in the harness or a defective ETACS-ECU.
TROUBLESHOOTING HINTS
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Damaged harness wire or connector
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Malfunction of the ETACS-ECU
DIAGNOSIS
Required Special Tools: