Eclipse FWD L4-1997cc 2.0L DOHC MFI (1997)
Heated oxygen sensor (rear)
1. Disconnect the heated oxygen sensor connector.
2. Check that there is continuity between terminal 1 and terminal 2 on the heated oxygen sensor connector.
3. If there is no continuity, replace the heated oxygen sensor.
NOTE
1. If the scan tool does not display the standard value although no malfunction is found by the above-mentioned continuity test and harness check,
replace the heated oxygen sensor (rear).
2. For removal and installation of the oxygen sensor, refer to Exhaust Pipe, Main Muffler.