GM Service Manual Online
For 1990-2009 cars only
Table 1: Instrument Panel Cluster (IPC)
Table 2: Powertrain Control Module (PCM) 3.5 Liter LX5

Instrument Panel Cluster (IPC)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF

Coolant Hot Lamp

Inputs

On/Off

Off

Low Coolant Input

Data

On/Off

Off

Low Coolant Lamp

Inputs

On/Off

Off

Powertrain Control Module (PCM) 3.5 Liter LX5

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, MSF, EVAP, FT

°C/°F

Varies

FC Relay 1 Circuit Status

ODM

OK/Fault

OK

FC Relay 1 Command

ENG2

On/Off

Varies

FC Relay 2 and 3 Circuit Status

ODM

OK/Fault

OK

FC Relay 2 and 3 Command

ENG2

On/Off

Varies