GM Service Manual Online
For 1990-2009 cars only

Body Control Module (BCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF

Battery Volts

Data

Volts

12.6 Volts

Inadvertent Load Monitor

Input Data 1

Active/Inactive

Active

Powertrain Control Module (PCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF

GEN F-Terminal Signal

Engine Data 2

%

0%

GEN L-Terminal Signal

Engine Data 2

Voltage/No Voltage

Voltage

Ignition 1 Signal

Engine Data 1, Engine Data 2

Volts

12.6 Volts

Seat Control Module (SCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF

Battery Volts

Data

Volts

12.6 Volts

Inadvertent Load Monitor

Input Data 1

Active/Inactive

Active