Montero XLS 4WD V6-3.5L SOHC (2001)
2. The input signal from the sunroof switch should be able to be checked and the sunroof should work normally.
Q: Is the input signal from the sunroof switch input normally?
YES: There is no action to be taken.
NO: Replace the ETACS-ECU. The input signal from the sunroof switch should be able to be checked and the sunroof should work normally.
Inspection Procedure Q-19
RV meter: The any control switch signal is not sent to the ETACS-ECU
RV Meter SWS Communication Circuit
CIRCUIT OPERATION
The RV meter sends the tone alarm sounding request to the SWS communication line. When the ETACS-ECU receives the tone alarm sounding request,
it sounds the built-in tone alarm.
TECHNICAL DESCRIPTION (COMMENT)
If the SWS communication line between the RV meter and the ETACS-ECU is defective, the RV meter any switch input signal can not be checked even
if the RV meter is normal.
TROUBLESHOOTING HINTS
-
Malfunction of the RV meter
-
Malfunction of the ETACS-ECU
-
Damaged harness wires or connectors
DIAGNOSIS
Required Special Tools:
-
MB991223: Test Harness Set
-
MB991502: Scan Tool (MUT-II)