Montero XLS 4WD V6-3.5L SOHC (2001)
Check the input signals from the windshield wiper switches.
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 sounds when the input signal enters?
YES: Go to Step 4.
NO: Check the windshield wiper switch input circuit. Refer to Inspection Procedure Q-15.
STEP 3. Check the input signal (by using a voltmeter).
Check the input signals from the windshield wiper switches.
1. Use special tool MB991529 to connect a voltmeter between ground terminal 4 or 5 and ETACS-ECU terminal 9 of the data link connector.
2. Check that the voltmeter indicator deflects once when the input signal enters.
Q: Does the voltmeter indicator deflect?
YES: Go to Step 4.
NO: Check the windshield wiper switch input circuit. Refer to Inspection Procedure Q-15.
