Montero Sport LS 2WD V6-3.0L SOHC (1998)
Inspection Procedure 3: The Ignition Key Illumination Light Does Not Go Out When The Ignition Key Is Turned To The On Position. (However, It
Goes Out After 15 Seconds)
The Ignition key Reminder Tone Alarm Does Not Stop Sounding When The Ignition Key is Turned to the "ON" Position. (The Tone Stops Sounding By
Closing the Drivers Door.)
Circuit Operation
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The ETACS-ECU or tone alarm-ECU monitors the ignition switch by detecting voltage from the ignition switch.
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The ETACS-ECU or tone alarm-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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The ETACS-ECU or tone alarm-ECU judges that the ignition key is inserted or removed by detecting voltage from the key reminder switch.
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When the driver's door is opened without removing the ignition key, the tone alarm will sound intermittently to remind that the ignition key has not
been removed.
Technical Description (Comment)
The input signal from the ignition switch may be defective, or the ETACS-ECU or tone alarm-ECU may be defective. If the multi-purpose fuse is
blown, the harness may be short circuited.
Troubleshooting Hints
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Malfunction of the fuse
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Malfunction of the connector
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Malfunction of the hamess wire
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Malfunction of the ETACS-ECU or tone alarm-ECU
Diagnosis
Required Special Tool <Vehicles with ETACS-ECU>: MB991 502: Scan Tool <MUT-II>
STEP 1. Check the input signal from the ignition switch.
<Vehicles with ETACS-ECU>
CAUTION: To prevent damage to scan tool MB991502, make sure the ignition switch is "OFF" before connecting or disconnecting it.
