GM Service Manual Online
For 1990-2009 cars only

Scan Tool Data List for Chevrolet Venture Ext. 2003

Powertrain Control Module (PCM) 3.4 Liter LA1

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition Switch in RUN/Engine running/Automatic Transmission in PARK/Air Conditioner is OFF

ECT Sensor

Eng 1, 2, EGR, EVAP, Misfire

°C/°F

Varies

FC Relay 1 Command

Eng 2

ON / OFF

OFF

FC Relay 2 and 3 Command

Eng 2

ON / OFF

OFF

FC Relay 1 Circuit Status

Output Driver Data

OK / Fault

OK

FC Relay 2 and 3 Circuit Status

Output Driver Data

OK / Fault

OK