Montero Endeavor 4WD V6-3.5L SOHC (2000)
<Heated oxygen sensor (rear)>
1. Disconnect the connector to the heated oxygen sensor, then use the special tool (test harness) to make connections with the connection on the
heated oxygen sensor side.
2. Check that there is continuity between terminal (1) (red clip of the special tool) and terminal (3) (blue clip) of the heated oxygen sensor connector
[approx. 11 - 18 Ohms at a temperature of 20° C (68° F)].
3. If there is no continuity, replace heated oxygen sensor.
NOTE:
1. If the scan tool dose not display the standard value although no abnormality is found by the above mentioned continuity test and harness check,
replace the heated oxygen sensor.
2. For removal and installation of the oxygen sensor, refer to Exhaust Pipe, Muffler and Catalytic Converter.