Montero V6-3.8L SOHC (2005)
STEP 4. Check the theft-alarm horn relay.
Q: Is the theft-alarm horn relay normal?
YES: Go to Step 5.
NO: Replace the theft-alarm horn relay. All the vehicle horn (including the theft-alarm horn) should sound when the theft-alarm system is triggered.
STEP 5. Check the fusible link (1) line of the power supply circuit to the theft-alarm horn relay. Test at theft-alarm horn relay connector
A-11X.
1. Disconnect theft-alarm horn relay connector A-11X and measure the voltage available at the relay box side of the connector.
