Montero XLS 4WD V6-3.5L SOHC (2001)
Connectors
CIRCUIT OPERATION
The ETACS-ECU receives a diagnostic trouble code and switch signals from the data link connector.
TECHNICAL DESCRIPTION (COMMENT)
The harness wires between the ETACS-ECU power supply line or the ETACS-ECU and the data link connector may be defective.
TROUBLESHOOTING HINTS
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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: 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 communication with other Systems.
Q: Can the scan tool communicate with no systems?
YES: Refer to Computers/Testing/Trouble Code Diagnostic Procedures.
NO (can not communicate with SWS only): Go to Step 2.
STEP 2. Check the ignition switch positions.
Q: Can scan tool MB991502 communicate with the ETACS-ECU with the ignition switch at any position other than "ON"?
YES: Go to Step 3.