Stratus Coupe L4-2.4L VIN G (2003)
NOTE: For removal and installation of the heated oxygen sensor, refer to Exhaust Pipe and Main Muffler.
<Heated oxygen sensor (rear)>
1. Using scan tool MB991502, observe HO(2)S reading. If values are unsatisfactory, or if Scan tool is not available, use the following procedure:
1. Disconnect the heated oxygen sensor connector and connect special tool MB991658 to the connector on the heated oxygen sensor side.
2. Make sure that there is continuity [11 - 18 Ohm at 20 °C (68 °F) between terminal No.5 and terminal No.6 on the heated oxygen sensor
connector
3. If there is no continuity, replace the heated oxygen sensor.
4. Warm up the engine until engine coolant is 80 °C (176 °F) or higher.
CAUTION: Be very careful when connecting the jumper wires; incorrect connection can damage the heated oxygen sensor.
5. Use the jumper wires to connect terminal No.5 of the heated oxygen sensor connector to the positive battery terminal and terminal No.6 to the
negative battery terminal.
6. Connect a digital voltage meter between terminal No.3 and terminal No.4.
2. While repeatedly revving the engine, measure the heated oxygen sensor output voltage.
Standard value:
3. If the sensor is defective, replace the heated oxygen sensor.
NOTE: For removal and installation of the heated oxygen sensor, refer to Exhaust Pipe and Main Muffler.