Windshield Intermittent Wiper Interval Check
WINDSHIELD INTERMITTENT WIPER INTERVAL CHECKRequired Special Tools:
- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A
If the windshield intermittent wiper interval control is operated, and/or vehicle speed changes, the wiper interval should change.
CAUTION: To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.
1. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to the "ON" position.
3. Operate scan tool MB991958 according to the procedure below to display "Simulated Vehicle Speed Output".
1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "Simulated Vehicle Speed Output."
4. Holding the windshield intermittent wiper interval control, input the simulated vehicle speed with scan tool MB991958 and check that the wiper interval changes as the vehicle speed changes.
5. If not, carry out the troubleshooting (Refer to simplified wiring system (SWS), Symptom Chart).