B3000 2WD V6-3.0L OHV (1994)
Circuit Diagram
NOTE: Refer to circuit diagram for HO2S test connections.
FUNCTIONAL TEST
1. Make sure the vehicle is at normal operating temperature. Run the engine at 2000 RPM for 3 minutes with the transmission in PARK (A/T) or
NEUTRAL (M/T).
2. With the engine Off, connect the negative terminal of the voltmeter to engine ground. Set the meter to 2 Volts DC. Disconnect the Oxygen Sensor
