Montero V6-3.8L SOHC (2005)
1. Turn the ignition switch to the "OFF" position to check the input signals from the following switches.
2. Operate scan tool MB991958 according to the procedure below to display "SUNROOF-OPE."
1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "SWS MONITOR."
4. Select "FUNCTION DIAG."
5. Select "SUNROOF."
6. Select "SUNROOF-OPE."
3. Check that normal conditions are displayed on the items described in the given table.
Q: Are normal conditions displayed on the "IG SW (IG1)" and "S/R ECU ACK"?
Normal conditions displayed for all the items : Replace the sunroof motor assembly. The sunroof timer function should now work normally.
Normal condition is not displayed on the "IG SW(IG1)" : Refer to Inspection Procedure O-2 "ETACS-ECU does not receive a signal from the
ignition switch (IG1)."
Normal condition is not displayed on the "S/R ECU ACK" : Replace the sunroof motor assembly. The sunroof timer function should now
work normally.
Inspection Procedure F-4
Sunroof: Safety mechanism does not function.
TECHNICAL DESCRIPTION (COMMENT)
The sunroof motor assembly monitors load condition according to the current, which runs in the motor. If a predetermined current is exceeded, the
sunroof motor reverses due to safety mechanism. If the sunroof motor does not reverse when an excessive load is applied, the sunroof motor assembly
may be defective.
TROUBLESHOOTING HINT
The sunroof motor assembly may be defective
DIAGNOSIS