Montero XLS 4WD V6-3.5L SOHC (2001)
Taillights Drive Circuit
CIRCUIT OPERATION
The front-ECU illuminates the taillights if the column switch sends the taillight ON signal to the front-ECU.
TECHNICAL DESCRIPTION (COMMENT)
The column switch or the front-ECU may be defective.
NOTE: If only one light does not illuminate, the harness wire between the light and the front-ECU maybe defective or the light bulb may be burned out.
In this case, check the circuit by referring to Taillight, Position Light and License Plate Light.
TROUBLESHOOTING HINTS
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Malfunction of the column switch (turn-signal light and lighting switch)
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Malfunction of the front-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 DTC.
Q: Does DTC set when the ignition switch is turned to the "LOCK" (OFF) position?