GM Service Manual Online
For 1990-2009 cars only
Table 1: Door Module(s)
Table 2: Dash Integration Module (DIM)
Table 3: Instrument Panel Cluster (IPC)
Table 4: Instrument Panel Module (IPM)
Table 5: Powertrain Control Module (PCM)

Door Module(s)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Driver Door Closed

Door Ajar Sw.

Inputs

On/Off

Off

Dash Integration Module (DIM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Headlamp Switch OFF

Head Lamp Switch

Inputs

On/Off

Off

Park Lamp

Inputs

On/Off

Off

Instrument Panel Cluster (IPC)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Park Brake OFF

8 Digit GM Part Number

Module Information

Numeric

Varies

ABS Input

Inputs

On/Off

Off

Battery Volts

Data

Volts

Varies

Brake Fluid Level

Inputs

OK/Low

OK

Calibration ID

Module Information

Numeric

Varies

Component Serial No. 8-11

Module Information

Numeric

Varies

Component Serial No. 12

Module Information

Numeric

Varies

Component Serial No. 13-16

Module Information

Numeric

Varies

Component Serial No. 17-18

Module Information

Numeric

Varies

Display Mode Switch

Inputs

On/Off

Off

Display Trip Reset Sw.

Inputs

On/Off

Off

Engine Speed

Data

RPM

Varies

English/Metric Sw.

Inputs

On/Off

Off

Fluorescent Light

Data

0-100%

Varies

Ignition 1

Inputs

On/Off

On

Info. Reset Switch

Inputs

On/Off

Off

Information Down Switch

Inputs

On/Off

Off

Information Up Switch

Inputs

On/Off

Off

Julian Date of Build

Module Information

Year/Day

Varies

Left Turn Signal

Inputs

On/Off

Off

Low Coolant Level

Inputs

OK/Low

OK

On/Off Switch

Inputs

On/Off

Off

Park Brake Switch

Inputs

On/Off

Off

PROM ID

Module Information

Numeric

Varies

Reflective Display

Data

On/Off

Off

Right Turn Signal

Inputs

On/Off

Off

Trip Odometer A/B Switch

Inputs

On/Off

Off

Vehicle Speed

Data

km/h (mph)

0 Km/h (0 mph)

VF Dim

Data

0-100%

Varies

Washer Fluid Level

Inputs

OK/Low

OK

Year Module Built

Module Information

Year

Varies

Instrument Panel Module (IPM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/HUD OFF

HUD Dimming

Non - HVAC Data

On/Off

Off

Key in Ignition

Non - HVAC Data

Yes/No

Yes

Powertrain Control Module (PCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Engine Idling at Normal Operating Temperature/Transmission in Park

ECT Sensor

Engine Data 1

Engine Data 2

Engine Data 3

EVAP Data

Fuel Trim Data

Misfire Data

°C (°F)

92°C (197°F)

Engine Oil Level Switch

Engine Data 2

Engine Data 3

OK/Low

OK

Engine Oil Pressure Switch

Engine Data 3

OK/Low

OK

Engine Speed

Engine Data 1

Engine Data 2

Engine Data 3

EVAP Data

Fuel Trim Data

Misfire Data

RPM

Varies

Fuel Level

EVAP Data

Liters (Gallons)

Varies

Fuel Level Sensor

EVAP Data

0-5 Volts

Varies

IMS

Transmission Data

Park

Reverse

Neutral

Drive 4

Drive 3

Drive 2

Drive 1

Invalid

Park

Vehicle Speed Sensor

Engine Data 1

Engine Data 2

Engine Data 3

EVAP Data

Fuel Trim Data

Misfire Data

km/h (mph)

0