Montero XLS 4WD V6-3.5L SOHC (2001)
STEP 7. Check the harness wires between ETACS-ECU connector D-222 and ground.
NOTE: After checking junction block connector D-209, check the wires. If junction block connector D-209 is damaged, repair or replace it. Refer to
Harness Connector Inspection.
Q: Are the harness wires between ETACS-ECU connector D-222 and ground in good condition?
YES: There is no action to be taken.
NO: Repair them. Scan tool MB991502 should communicate with the SWS.
Inspection Procedure B-1
Tone alarm: Ignition key reminder tone alarm function does not work normally
TECHNICAL DESCRIPTION (COMMENT)
The ETACS-ECU operates the ignition key reminder tone alarm function, based on input signals from the following switches:
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Ignition switch (IG1)
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Key reminder switch
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Driver's door switch
If the function does not work normally, a defect on the relevant circuit or the ETACS-ECU may be suspected.
TROUBLESHOOTING HINTS
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Malfunction of the key reminder switch
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Malfunction of the driver's door switch
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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)
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MB991529: Diagnostic Trouble Code Check Harness
STEP 1. Check the ETACS-ECU power supply circuit. If the ignition switch is at "LOCK" (OFF) position, do all of the following functions
operate?
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Light reminder tone alarm function
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Central door locking system
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Ignition key hole illumination light
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Hazard warning light
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Dome light dimming function
