GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2002 🢒 Rendezvous - FWD 🢒 Engine 🢒 Engine Cooling 🢒 Scan Tool Data List
Table 1: Powertrain Control Module (PCM) 3.4 Liter LA1
Table 2: Engine Control Module (ECM) 3.6L LY7

Powertrain Control Module (PCM) 3.4 Liter LA1

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Engine Idling/Radiator Hose Hot/Closed Throttle/Park or Neutral/Closed Loop/Accessories Off

ECT Sensor

Engine Data 1 and Engine Data 2

Degrees

Varies

FC Relay 1 Command

Engine Data 2

OK/Fault/Invalid State

OK

FC Relay 2 and 3 Command

Engine Data 2

OK/Fault/Invalid State

OK

Engine Control Module (ECM) 3.6L LY7

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Engine Idling/Radiator Hose Hot/Closed Throttle/Park or Neutral/Closed Loop/Accessories Off

ECT Sensor

Engine Data 1, Engine Data 2 and Cooling/HVAC Data

Degrees

Varies

FC Relay 1 Command

Cooling/HVAC Data

OK/Fault/Invalid State

OK

FC Relay 2 and 3 Command

Cooling/HVAC Data

OK/Fault/Invalid State

OK