Montero Sport LTD 2WD V6-3.5L SOHC (2000)
DIAGNOSIS
Required Special Tool:
MB991502: Scan Tool (MUT-II)
STEP 1. Check the input signal from the ignition switch.
CAUTION: To prevent damage to scan tool MB991502, make sure the ignition switch is "OFF" before connecting or disconnecting it.
1. Connect scan tool MB991502 to the data link connector.
2. Check that the tone alarm of the scan tool MB991502 sounds when the ignition key is moved from the "LOCK" position to the "ON" position.
If the tone alarm of the scan tool MB991502 does not sound, there may be a malfunction in the input signal from the driver's side door switch. Go
to Step 2.
If the tone alarm of the scan tool MB991502 sounds when the driver's side door is opened [front door switch (LH) is turned to ON], the input
signal from the driver's side door switch to the scan tool MB991502 is normal. Replace the ETACS-ECU. Check that the malfunction is
eliminated.
STEP 2. Check the input signal from the driver's side door switch.
1. Disconnect the ETACS-ECU connector D-11 and measure at the junction block side.
2. Turn the ignition switch "ON."
3. Measure the voltage between terminal number 3 and ground.
-
Voltage should be approximately 12 volts (battery positive voltage)
If approximately 12 volts, replace the ETACS-ECU. Check that the malfunction is eliminated.
If not approximately 12 volts, go to Step 3.
STEP 3. Check the ETACS-ECU connector D-11 for damage.
