Montero XLS 4WD V6-3.5L SOHC (2001)
STEP 1. Check the power window relay.
Q: Is the power window relay in good condition?
YES: Go to Step 2 <when using scan tool MB991502> or 3 <when using a voltmeter>.
NO: Replace it. The power windows should work normally.
STEP 2. Check the input signal (by using scan tool MB991502). Check the input signals from the ignition switch (IG1).
CAUTION: To prevent damage to scan tool MB991502, always turn the ignition switch to the "LOCK" (OFF) position before connecting or
disconnecting scan tool MB991502.
1. Connect scan tool MB991502 to the data link connector.
2. Check that the tone alarm of scan tool MB991502 sounds when the input signal enters.
Q: Does the tone alarm of scan tool MB991502 sound when the input signal enters?
YES: Go to Step 4.
NO: Check the ignition switch (IG1) input circuit. Refer to Inspection Procedure Q-2.
STEP 3. Check the input signal (by using a voltmeter). Check the input signals from the ignition switch (IG1).
