Montero LTD 4WD V6-3.5L SOHC (2002)
1. Connect scan tool MB991502 to the data link connector.
2. When the transmitter "PANIC" switch is operated (turned on), check that scan tool MB991502 sounds.
Q: Does scan tool MB991502 sound when the transmitter "PANIC" switch is operated?
YES: Replace the ETACS-ECU. Check that the panic alarm works normally.
NO: Refer to Inspection Procedure R-9 "The ETACS-ECU does not receive signal from lock, unlock or panic switch.
Inspection Procedure Q-1
The ETACS-ECU does not Receive Any Signal from the Ignition Switch (ACC).
Ignition Switch (ACC) Input Circuit
CIRCUIT OPERATION
The ETACS-ECU operates the following equipment according to signal from the ignition switch (ACC):
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Windshield wiper and washer
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Rear wiper and washer
TECHNICAL DESCRIPTION (COMMENT)
If the signal is not normal, the equipment, which is described in "CIRCUIT OPERATION", does network normally.
TROUBLESHOOTING HINTS