Montero XLS 4WD V6-3.5L SOHC (2001)
CAUTION: To prevent damage to scan tool MB991502, always turn the ignition switch to the "LOCK" (OFF) position before connecting or
disconnecting scan tool MB991502.
1. Connect scan tool MB991502 to the data link connector.
2. Check that the tone alarm of scan tool MB991502 sounds when the input signal enters.
Q: Does the tone alarm of scan tool MB991502 sound when the input signal enters?
YES: Replace the ETACS-ECU. All the doors should be locked or unlocked by using the transmitter.
NO: Check the transmitter input circuit. Refer to Inspection Procedure Q-17.
STEP 3. Check the input signal (by using a voltmeter). Check the input signals from the transmitter switches.
1. Use special tool MB991529 to connect a voltmeter between ground terminal 4 or 5 and ETACS-ECU terminal 9 of the data link connector.
2. Check that the voltmeter indicator deflects once when the input signal enters.
Q: Does the voltmeter indicator deflect?
YES: Replace the ETACS-ECU. All the doors should be locked or unlocked by using the transmitter.
NO: Check the transmitter input circuit. Refer to Inspection Procedure Q-17.
Inspection Procedure E-2
Keyless entry system: The dome light, the hazard warning lights and the horn do not operate through the answerback function
TECHNICAL DESCRIPTION (COMMENT)
The turn-signal light and the horn answerback functions can be selected by the driver's desire (can be deactivated). However, the dome light answerback
function can not be deactivated. If all of these devices do not operate through the answerback function, the ETACS-ECU may be defective.
TROUBLESHOOTING HINTS
-
Malfunction of the turn-signal light
-
Malfunction of the theft-alarm horn
-
Malfunction of the horn
-
Malfunction of the dome light
-
Malfunction of the ETACS-ECU
-
Damaged harness wires or connectors
DIAGNOSIS
Required Special Tools:
