Montero V6-3.8L SOHC (2005)
Operate scan tool MB991958 according to the procedure below to display "LGT MONI. ALRM."
1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "SWS MONITOR."
4. Select "FUNCTION DIAG."
5. Select "BUZZER."
6. Select "LGT MONI. ALRM."
Check that normal conditions are displayed on the items described in the given table.
Q: Are normal conditions displayed for "HEADLIGHT SW", "TAILLIGHT SW", "IG SW IG1", "FRONT DOOR SW", "H/L AUTO-CUT" and
"BUZZER"?
Normal conditions are displayed for all the items : Replace the ETACS-ECU. The light reminder tone alarm function should now work normally.
The scan tool does not show the respective normal condition for item "HEADLIGHT SW" : Refer to Inspection Procedure O-6 "ETACS-ECU
does not receive any signal from the headlight switch."
The scan tool does not show the respective normal condition for item "TAILLIGHT SW" : Refer to Inspection Procedure O-6 "ETACS-ECU does
not receive any signal from the taillight switch."
The scan tool does not show the respective normal condition for item "IG SW (IG1)" : Refer to Inspection Procedure O-2 "ETACS-ECU does not
receive any signal from the ignition switch (IG1)."
The scan tool does not show the respective normal condition for item "FRONT DOOR SW" : Refer to Inspection Procedure O-5 "ETACS-ECU
does not receive any signal from the driver's or the front passenger's door switch."
The scan tool does not show the respective normal condition for item "H/L AUTO-CUT" : Refer to Inspection Procedure J-9 "Headlight automatic
shutdown function does not work normally."
