Montero Sport ES 4WD V6-3.0L SOHC (2002)
Connectors
CIRCUIT OPERATION
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The ETACS-ECU judges the state of the ignition switch by detecting voltage from the ignition switch.
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The ETACS-ECU judges whether the driver's side door is opened or closed by defecting the front door switch (LH) signal.
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The ETACS-ECU judges whether the ignition switch in inserted or removed by defecting the key reminder switch signal.
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The ETACS-ECU judges the state of the column switch (lighting switch) by defecting voltage from the column switch (lighting switch).
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When the river's door is opened (door switch on) with the lighting switch in the on ("TAIL" or "HEAD") position, the tone alarm will sound
continuously to remind the driver that the lights (taillights or headlights) are on.
TECHNICAL DESCRIPTION (COMMENT)
The cause is probably an abnormal signal from the lighting switch or a defective driver's side door switch.
TROUBLESHOOTING HINTS
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Malfunction of the driver's side door switch
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Damaged harness or connector
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Malfunction of the ETACS-ECU
DIAGNOSIS
Required Special Tools:
