With SST-Engine Signal Monitor

Using SSTs (Engine Signal Monitor)
1. Remove the Powertrain Control Module (PCM).




2. Connect the SSTs (Monitor, Engine Signal and Adapter Harness) to the PCM.
3. Warm up the engine to normal operating temperature.




4. Measure the voltage at PCM terminals 2k and 3C.
5. If not as specified, inspect the following.
(1) Intake-air system
(2) Fuel system
(3) On-board diagnostic system

6. If these systems are OK, replace the heated oxygen sensor.