Heated Oxygen Sensor Inspection

USING THE SST 104 PIN BREAKOUT BOX
Check in the following order:
(1) Remove the PCM.




(2) Connect the SST 104 Pin Breakout Box to the PCM as shown.
(3) Tighten the connector bolt.

Tightening torque: 7.9-10.7 Nm (69.5-95.4 in.lbs.)

(4) Warm up the engine to normal operating temperature.
(5) Measure the voltage at PCM terminal 35 and 60.




(6) If not as specified, inspect the following.
- Intake-air system
- Fuel system
- On-board diagnostic system
- Related harnesses

(7) If these Systems are okay, replace the heated oxygen sensor.

USING THE NGS TESTER
Check in the following order:




(1) Connect the New Generation Star tester to the data link connector.
(2) Select the "PID/DATA MONITOR AND RECORD" function on the NGS tester display and press TRIGGER.
(3) Select "O2S11" and "O2S12" on the NGS tester display and press START. The NGS tester measures and shows the voltage.




(4) If not as specified, inspect the following.
- Intake-air system
- Fuel system
- On-board diagnostic system

(5) If these systems are okay, replace the heated oxygen sensor.