Montero XLS 4WD V6-3.5L SOHC (2001)
YES: Go to Step 3.
NO: Replace the battery. If the transmitter is registered successfully, the transmitter input signal should be able to be checked and the functions, which
are described in the "Technical Description (comment)," should work normally.
STEP 3. Check the transmitter.
1. Use an other transmitter to register the secret code. (Refer to Keyless Entry System - On-vehicle Service - Encrypted Code Registration Method.)
Q: Is the transmitter registered successfully?
YES: The transmitter input signal should be able to be checked and the functions, which are described in the "Technical Description
(comment)," should work normally.
NO: Replace the ETACS-ECU. The transmitter input signal should be able to be checked and the functions, which are described in the
"Technical Description (comment)," should work normally.
Inspection Procedure Q-18
Sunroof switch: The up, open or close/down switch signal is not sent to the ETACS-ECU
Sunroof Motor Assembly SWS Communication Circuit