GM Service Manual Online
For 1990-2009 cars only
Table 1: Amp
Table 2: Dash Integration Module (DIM)
Table 3: Digital Radio Receiver (DRR)
Table 4: Door Modules
Table 5: Instrument Panel Module (IPC)
Table 6: Memory Seat Module (MSM)
Table 7: Rear Integration Module (RIM)
Table 8: TV Antenna Module
Table 9: Vehicle Theft Deterrent (VTD)
Table 10: Engine Control Module (ECM) 2.8L (LP1)
Table 11: Engine Control Module (ECM) 3.6L (LY7)
Table 12: Powertrain Control Module (PCM) 5.7L (LS6)
Table 13: Vehicle Theft Deterrent (VTD)

Amp

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Engine Running

Battery Voltage

Data

Volts

13.9 Volts

Dash Integration Module (DIM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Engine Running/Accessories Off

Battery Current

RVC Data

amps

35 amps

Battery Voltage Sense

RVC Data

Volts

13.9 Volts

Battery Temperature

RVC Data

°C

65°C

GEN L-Terminal Signal Command

RVC Data

%

72%

Load Shed

RVC Data

Yes/No

No

Running State of Charge

RVC Data

%

90%

Start Up State of Charge

RVC Data

%

80%

Digital Radio Receiver (DRR)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Engine Running

Battery Voltage

Data

Volts

13.9 Volts

Door Modules

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Engine Running

Battery Voltage

Data

Volts

13.9 Volts

Instrument Panel Module (IPC)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Engine Running

Battery Voltage

Data

Volts

13.9 Volts

Memory Seat Module (MSM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Engine Running

Battery Voltage

Data

Volts

13.9 Volts

Rear Integration Module (RIM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Engine Running

Battery Voltage

Data

Volts

13.9 Volts

TV Antenna Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Engine Running

Battery Voltage

Data

Volts

13.9 Volts

Vehicle Theft Deterrent (VTD)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Engine Running

Battery Voltage

Data

Volts

13.9 Volts

Starter Disabled

Data

Yes/No

No

Engine Control Module (ECM) 2.8L (LP1)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Key ON, Engine OFF/Transmission in Park or Neutral/Clutch Depressed

Battery Voltage

Engine Data 1, 2, 3

Volts

12.6 Volts

Clutch Start Switch

Engine Data 3

On/Off

On

Crank Request

Engine Data 3

Yes/No

No

Fast Idle for Generator

Engine Data 2

On/Off

Off

GEN L - Terminal Signal Command

Engine Data 2

On/Off

On

Gen F - Terminal Signal

Engine Data 2

0 - 100%

74%

Ignition 1

Engine Data 1, 2, 3

Volts

12.6 Volts

PNP Switch

Engine Data 2

P-N/R-D-L

P-N

Starter Relay Command

Engine Data 3

On/Off

Off

Engine Control Module (ECM) 3.6L (LY7)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Key ON, Engine OFF/Transmission in Park or Neutral/Clutch Depressed

Battery Voltage

Electrical Theft Data

Volts

12.6 Volts

Crank Request Signal

Electrical Theft Data

Yes/No

No

Fast Idle for Generator

Electrical Theft Data

On/Off

Off

GEN L - Terminal Signal Command

Electrical Theft Data

On/Off

On

Gen F - Terminal Signal

Electrical Theft Data

0 - 100%

74%

Ignition 1

Electrical Theft Data

Volts

12.6 Volts

PNP Switch

Electrical Theft Data

P-N/R-D-L

P-N

Starter Relay Circuit Status

Electrical Theft Data

OK/Fault

OK

Starter Relay Command

Electrical Theft Data

On/Off

Off

Powertrain Control Module (PCM) 5.7L (LS6)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Key ON, Engine OFF/Transmission in Park or Neutral/Clutch Depressed

Battery Voltage

Engine Data 1, 2, 3

Volts

12.6 Volts

Clutch Start Switch

Engine Data 2

On/Off

On

Crank Request Signal

Engine Data 2

Yes/No

No

GEN L - Terminal Signal Command

Engine Data 2

On/Off

On

GEN F - Terminal Signal

Engine Data 2

0 - 100%

74%

Ignition 1

Engine Data 1, 2, 3

Volts

12.6 Volts

PNP Switch

Engine Data 2

P-N/R-D-L

P-N

Starter Relay Circuit Status

Engine Data 3

OK/Fault

OK

Starter Relay Command

Engine Data 2

On/Off

Off

Vehicle Theft Deterrent (VTD)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Engine Running

Battery Charger

Data

On/Off

Off

Battery State

Data

Low Voltage/Normal/High Voltage

Normal

Battery Voltage

Data

Volts

13.9 Volts

Start Disabled

Data

Yes/No

No