GM Service Manual Online
For 1990-2009 cars only
Table 1: Dash Integration Module (DIM)
Table 2: Electronic Brake Control Module (EBCM)
Table 3: Instrument Panel Cluster (IPC)
Table 4: Engine Control Module (ECM)
Table 5: Rear Integration Module (RIM)

Dash Integration Module (DIM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON, engine OFF.

Battery Voltage

Data

Volts

12

Electronic Brake Control Module (EBCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON, engine OFF, and steering wheel straight.

8 Digit GM Part Number

Controller Information 1

Numeric

Varies

ABS Active

DRP/ABS/TCS Data

Yes/No

No

ABS Active Indicator

ABS Active

On/Off

Off

ABS Failed

DRP/ABS/TCS Data

Yes/No

No

ABS Failed Lamp Command

Phase 1-4

On/Off

Off

ABS Reference Speed

    • DRP/ABS/TCS Data
    • Phase 1-4
    • VSES Data

km/h or mph

0

ABS Warning Indicator

DRP/ABS/TCS Data

On/Off

Off

Calibration ID

Controller Information 1

Numeric

Varies

DE Base Part Number

Controller Information 2

Numeric

Varies

DE Build Sequence Number

Controller Information 1

Numeric

Varies

DE Calibration Part Number

Controller Information 2

Numeric

Varies

DE End Model Part Number

Controller Information 2

Numeric

Varies

DE ROM Part Number

Controller Information 2

Numeric

Varies

Delivered Torque PWM Duty Cycle

DRP/ABS/TCS Data

%

10

DRP Active

DRP/ABS/TCS Data

Yes/No

No

DRP Disabled

DRP/ABS/TCS Data

Yes/No

No

Dual Analog SWPS Input A

DRP/ABS/TCS Data

Volts

Varies

0-5

Dual Analog SWPS Input B

DRP/ABS/TCS Data

Volts

Varies

0-5

Engine Drag Control Failed

DRP/ABS/TCS Data

Yes/No

No

Engine RPM

Phase 1-4

RPM

0

Engine Type

Phase 1-4

Type

Varies

Estimated Trans. Gear

Phase 1-4

Park, Reverse, Neutral, First, Second, Third, Fourth

Park

ETS Controller

Phase 1-4

Yes/No

Varies

Ignition Voltage

DRP/ABS/TCS Data

Volts

12

Initiate Engine Drag Control Test

Phase 1-4

On/Off

Off

Julian Date Code

Controller Information 1

Numeric

Varies

Lateral Accelerometer Input

VSES Data

Volts

2.5

Lateral Accelerometer - Engineering Units

VSES Data

g

0

LF Wheel Speed

    • DRP/ABS/TCS Data
    • VSES Data
    • Phase 1-4

km/h or mph

0

LR Wheel Speed

    • DRP/ABS/TCS Data
    • VSES Data
    • Phase 1-4

km/h or mph

0

Manufacturing Shift Info.

Controller Information 1

Numeric

Varies

Manufacturing Site

Controller Information 1

Alpha

Varies

Master Cylinder Pressure Sensor Input

DRP/ABS/TCS Data

Volts

0

Parking Brake Switch

Phase 1-4

On/Off

Off

Powertrain TCS Failure

Phase 1-4

Yes/No

No

PROM ID

Controller Information 1

Numeric

Varies

Pump Motor Feedback Voltage

DRP/ABS/TCS Data

Volts

12

Pump Motor Commanded State

DRP/ABS/TCS Data

On/Off

Off

Pump Motor Feedback State

DRP/ABS/TCS Data

On/Off

Off

Pump Motor PWM

DRP/ABS/TCS Data

%

0

Red Brake Warning Indicator

    • DRP/ABS/TCS Data
    • Phase 1-4

On/Off

Off

Requested Torque PWM Duty Cycle

DRP/ABS/TCS Data

%

90

RF Wheel Speed

    • DRP/ABS/TCS Data
    • VSES Data
    • Phase 1-4

km/h or mph

0

Rough Road Parameter

    • DRP/ABS/TCS Data
    • Phase 1-4

g

0

RR Wheel Speed

    • DRP/ABS/TCS Data
    • VSES Data
    • Phase 1-4

km/h or mph

0

Service Stability System

Phase 1-4

On/Off

Off

Service Steering System

Phase 1-4

On/Off

Off

Solenoid Relay Commanded State

DRP/ABS/TCS Data

On/Off

On

Solenoid Relay Feedback

DRP/ABS/TCS Data

On/Off

On

Stability System Active

No Phase

On/Off

Off

State of Health Present

Phase 1-4

Yes/No

Yes

Steering Wheel Angle

VSES Data

°

0

Stop Lamp Switch

    • DRP/ABS/TCS Data
    • Phase 1-4

Applied/Released

Released

Switched System Battery

DRP/ABS/TCS Data

Volts

12

System Power Mode

Phase 1-4

Run, Crank, Accessory, Unlock, Off Awake, RAP Unlock, RAP

Run

TCC/Brake Switch Active

Phase 1-4

Yes/No

No

TCS Active

DRP/ABS/TCS Data

Yes/No

No

TCS Active Indicator/Message

DRP/ABS/TCS Data

On/Off

Off

TCS Active Message Command

No Phase

On/Off

Off

TCS Equipped

Phase 1-4

Yes/No

Yes

TCS Failed

DRP/ABS/TCS Data

Yes/No

No

TCS Off Lamp Command

No Phase

On/Off

Off

TCS On/Off Switch

No Phase

Was Pressed

*

TCS Warning Indicator/Message

DRP/ABS/TCS Data

On/Off

Off

Temporary Inhibit of TCS

Phase 1-4

Yes/No

No

TPS - Pedal Position

Phase 1-4

%

0

Transmission Type

Phase 1-4

Type

Varies

Vehicle Yaw Rate - Engineering Units

VSES Data

°/sec

0

VIN Packet #2

Phase 1-4

Numeric

Varies

VSES Active

    • Phase 1-4
    • VSES Data

Yes/No

No

VSES Active Indicator/Message

VSES Data

On/Off

Off

VSES Enabled

No Phase

Enable/Disable

Disable

VSES Equipped

Phase 1-4

Yes/No

Varies

VSES Failed

VSES Data

Yes/No

No

VSES Failed Indicator/Message

VSES Data

On/Off

Off

VSES Is Centered

VSES Data

Yes/No

No

VSES On/Off Status

Phase 1-4

On/Off

Off

VSES On/Off Switch

No Phase

On/Off

Off

VSES Ready

Phase 1-4

Yes/No

No

Yaw Rate Sensor Input

VSES Data

Volts

2.5

Instrument Panel Cluster (IPC)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON, engine OFF.

Brake Fluid Switch

Data

OK/Low

OK

Park Brake Switch

Data

On/Off

Off

Engine Control Module (ECM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON, engine OFF.

Delivered Torque PWM Duty Cycle

Engine Data 2

%

10

Requested Torque ABS/TCS

    • Engine Data 2
    • TAC Data

%

90

Rear Integration Module (RIM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON, engine OFF.

TCS On/Off Switch

Input/Output

Off/On

Off