Summit Wagon AWD L4-2350cc 2.4L SOHC (1995)
1. Disconnect the heated oxygen sensor (rear) connector.
2. Make sure that there is continuity [Approx. 20 Ohms at 20°C (68°F)] between terminals G3 and terminal D4 on the heated oxygen sensor (rear)
connector.
3. If there is no continuity, replace the heated oxygen sensor (rear).
NOTE: If the scan tool does not display the standard value although no abnormality is found by the above mentioned continuity test and harness check,
replace the heated oxygen sensor (rear).
Harness Inspection
Step 1
Step 2
Step 3
TROUBLESHOOTING HINTS
Hint 1: The exhaust gas purification performance will worsen if there is a malfunction of the heated oxygen sensor.