chrysler Workshop Repair Guides

Chrysler Workshop Service and Repair Manuals

Downstream Sensor|Page 518 > < Upstream Oxygen Sensor|Page 515
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Oxygen Sensor: Testing and Inspection
Downstream Sensor

Heated Oxygen Sensor Check

1. Disconnect the heated oxygen sensor connection
2. Check that there is continuity between following terminals:

-

Front bank side -- terminals 1 & 3

-

Rear bank side -- terminals 3 & 4

3. If there is no continuity, replace the heated oxygen sensor.

NOTE:  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.

Downstream Sensor|Page 518 > < Upstream Oxygen Sensor|Page 515