Montero LTD 4WD V6-3.5L SOHC (2002)
Q: Does the dome light illuminate normally?
YES: Replace the ETACS-ECU. Check that the answerback functions work normally.
NO: Refer to Inspection Procedure O-1 "Dome light does not illuminate."
STEP 5. Check the hazard warning light
Q: Do the hazard warning lights work normally?
YES: Replace the ETACS-ECU. Check that the, answerback functions work normally.
NO: Refer to Inspection Procedure M-2 "Hazard warning lights do not flash when the hazard warning light switch is turned on."
STEP 6. Check the theft-alarm system (horn).
Q: Does the theft-alarm system work normally?
YES: Replace the ETACS-ECU. Check that the answerback functions work normally.
NO: Refer to Inspection Procedure P-2 "Tone alarm does not sound when the theft-alarm system is triggered."
Inspection Procedure E-3
Keyless Entry System: Encrypted Code cannot be Registered
Encrypted Transmitter Code Register Mode
CIRCUIT OPERATION
The ETACS-ECU operates the encrypted code register mode according to the following signals:
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Key reminder switch
-
Hazard warning light switch
TECHNICAL DESCRIPTION (COMMENT)
Is the encrypted code register mode can not be set, the input circuits from the switches described in "CIRCUIT OPERATION" or the ETACS-ECU may
be defective.
If the encrypted code register mode can be set but the transmitter can not be registered, the transmitter or the ETACS-ECU may be defective.
TROUBLESHOOTING HINTS
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Malfunction of the key reminder switch
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Malfunction of the hazard warning light switch
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Malfunction of the transmitter
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Malfunction of the ETACS-ECU
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Damaged harness wires or connectors
DIAGNOSIS
Required Special Tools:
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MB991223: Test Harness Set
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MB991502: Scan Tool (MUT-II)