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NOTE: Testing information for RKE control unit is not available from manufacturer at time of publication. See PIN VOLTAGE TESTS. NOTE: If after all testing procedures are completed, system is not functioning properly, replace unit with a known-good keyless entry control unit and retest. POWER DOOR LOCK CONTROL UNIT Montero (W/O Remote Keyless Entry) 1) Remove power door lock control unit. See COMPONENT LOCATIONS. Apply battery voltage to control unit terminal No. 8 (Red/Yellow wire). See WIRING DIAGRAMS. 2) Jumper control unit terminals No. 4 (Black wire), No. 5 (Blue/White wire), and No. 7 (Black/Yellow wire) to battery negative terminal. Connect an analog voltmeter between ground and terminal No. 3 (Blue/Red wire). Set voltmeter to DC volts. 3) Remove jumper from control unit terminal No. 5 or 7. Voltmeter needle should deflect. 4) Jumper control unit terminals No. 4 (Black wire) and No. 5 (Blue/White wire) to ground. Connect voltmeter between ground and terminal No. 3 (Blue/Red wire). Jumper control unit terminal No. 7 (Black/Yellow wire) to ground. Voltmeter needle should deflect. 5) Jumper control unit terminal No. 4 (Black wire) to ground. Connect voltmeter between ground and control unit terminal No. 3 (Blue/Red wire). Jumper control unit terminal No. 7 (Black/Yellow wire) to ground. Voltmeter needle should not deflect. 6) Check if voltage is present between battery ground and control unit terminals No. 2 (Black/Blue wire) and No. 6 (Black/Red wire). Battery voltage should be present. If circuits do not test as specified, replace door lock control unit. BACK DOOR (LIFTGATE) LOCK ACTUATOR Montero Access door lock actuator. See DOOR LOCK ACTUATOR R & I under REMOVAL & INSTALLATION. Disconnect back door actuator harness connector. Remove actuator if needed. Connect positive lead of 12-volt power source to actuator connector. Actuator should operate when negative lead contacts actuator housing. Replace actuator as needed. PIN VOLTAGE TESTS |