With SST-Engine Signal Monitor

HEATED OXYGEN SENSOR (FRONT& REAR)
Inspection
Using SST-(Monitor, Engine Signal)
1. Remove the powertrain control module (PCM).




2. Connect the special service tools (SST)s to the PCM.
3. Warm up the engine to normal operating temperature.
4. Measure the voltage at PCM terminal 2K, 2L 3C and 3D.





5. If not as specified, inspect following.
- Intake-air system
- Fuel system
- On-board diagnostic system
If these systems are OK, replace the heated oxygen sensor.

Tightening torque: 30-49 Nm (22-36 ft.lb.)