Montero V6-3.8L SOHC (2005)
Operate scan tool MB991958 according to the procedure below to display "ETACS ECU."
1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "SWS MONITOR."
4. Select "DATA LIST."
5. Select "ETACS ECU."
Check that normal conditions are displayed on the items described in the given table.
Q: Is normal condition displayed "IG SW (IG1)"?
YES: Go to Step 3.
NO: Refer to Inspection Procedure O-2 "ETACS-ECU does not receive any signal from the ignition switch (IG1)."
STEP 3. Check the input signal (by using the pulse check mode of the monitor.)
Check input signal from the driver's side seat belt switch. Operate scan tool MB991958 according to the procedure below to display "PULSE CHECK."
1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "PULSE CHECK."
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When the driver's seat belt is fastened, check if scan tool MB991958 sounds or not.
Q: Does scan tool MB991958 sound when the driver's side seat belt is fastened?
YES: Go to Step 4.
NO: Refer to Inspection Procedure P-3 "ETACS-ECU does not receive any signal from the driver's side seat belt switch."