GM Service Manual Online
For 1990-2009 cars only

Amplifier (AMP) (Delco)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine Running

Battery Voltage

Data

Volts

12.6 Volts

Dash Integration Module (DIM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine Running

Battery Voltage

Data

Volts

12.6 Volts

Drivers Door Module (DDM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine Running

Battery Voltage

Data

Volts

12.6 Volts

Drivers Door Switch (DDS)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine Running

Battery Voltage

Data

Volts

12.6 Volts

Instrument Panel Cluster (IPC)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine Running

Battery Voltage

Data

Volts

12.6 Volts

Instrument Panel Module (IPM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine Running

Battery Voltage

Data

Volts

12.6 Volts

Left Rear Door Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine Running

Battery Voltage

Data

Volts

12.6 Volts

Memory Seat Module (MSM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine Running

Battery Voltage

Data

Volts

12.6 Volts

Navigation Module (NAV)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine Running

Battery Voltage

Data

Volts

12.6 Volts

Passenger Door Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine Running

Battery Voltage

Data

Volts

12.6 Volts

Rear Climate Control Panel

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine Running

Battery Voltage

Non - HVAC Data

Volts

12.6 Volts

Rear Integration Module (RIM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine Running

Battery Voltage

Data

Volts

12.6 Volts

Inadvertent Power Relay

Outputs

On/Off

On

Load Shed Lvl.1 R. Defog.

Outputs

On/Off

Off

Load Shed Lvl.2 R. Defog.

Outputs

On/Off

Off

Right Rear Door Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine Running

Battery Voltage

Data

Volts

12.6 Volts

Supplemental Inflatable Restraint (SIR)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine Running

Battery Voltage

Data

Volts

12.6 Volts

Vehicle Theft Deterrent (VTD)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine Running

Battery Voltage

Data

Volts

12.6 Volts

Powertrain Control Module (PCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF

Crank Request Signal

Engine Data 2

Yes/No

No

GEN F-Terminal Signal

Engine Data 2

%

0%

GEN L-Terminal Signal Command

Engine Data 2

On/Off

Off

Ignition 1 Signal

Engine Data 1

Volts

12.6 Volts

Starter Relay Command

Engine Data 2

On/Off

Off

Transmission Control Module (TCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Transmission in PARK

IMS

Transmission Data

Park, Park/Reverse, Reverse, Reverse/Neutral, Neutral, Neutral/Drive 4, Drive 4, Drive 4/Drive 3, Drive 3, Drive 3/Drive 2, Drive 2, Drive 2/Drive 1, Drive 1, INVALID, OPEN

Park