Montero V6-3.8L SOHC (2005)
STEP 10. Check the wiring harness between theft-alarm horn relay connector A-11X (terminal 1) and ETACS-ECU connector D-223 (terminal
49).
NOTE: Also check intermediate connector D-27 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate
connectors D-27 is damaged, repair or replace the damaged component(s) as described in Harness Connector Inspection.
Q: Is the wiring harness between theft-alarm horn relay connector A-11X (terminal 1) and ETACS-ECU connector D-223 (terminal 49) in good
condition?
YES: Go to Step 11.
NO: The wiring harness may be damaged or the connector(s) may have loose, corroded or damaged terminals, or terminals pushed back in the
connector. Repair the wiring harness as necessary. All the vehicle horn (including the theft-alarm horn) should sound when the theft-alarm system is
triggered.
STEP 11. Check the fit of the theft-alarm horn.
NOTE: The theft-alarm horn is grounded to the vehicle body via its mounting bolt.
Q: Is the theft-alarm horn installed correctly?
YES: Replace the ETACS-ECU. All the vehicle horn (including the theft-alarm horn) should sound when the theft-alarm system is triggered.
NO: Install the theft-alarm horn correctly. All the vehicle horn (including the theft-alarm horn) should sound when the theft-alarm system is triggered.
STEP 12. Check horn relay connector A-10X for loose, corroded or damaged terminals, or terminals pushed back in the connector.
Q: Is horn relay connector A-10X in good condition?
YES: Go to Step 13.
NO: Repair or replace the damaged component(s). Refer to Harness Connector Inspection. All the vehicle horn (including the theft-alar horn) should
sound when the theft-alarm system is triggered.
