GM Service Manual Online
For 1990-2009 cars only
Table 1: Dash Integration Module (DIM)
Table 2: Electronic Brake Control Module (EBCM)
Table 3: HVAC Control Module (Instrument Panel Module)
Table 4: Powertrain Control Module (PCM)

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.

ABS Active

DRP/ABS/TCS Data

Yes/No

No

ABS Failed

DRP/ABS/TCS Data

Yes/No

No

ABS Reference Speed

    • DRP/ABS/TCS Data
    • VES Data

km/h or mph

0

ABS Warning Indicator

DRP/ABS/TCS Data

On/Off

Off

Brake Fluid

DRP/ABS/TCS Data

Normal/Low

Normal

Brake Temp Status

DRP/ABS/TCS Data

Normal/Over Temp

Normal

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

DRP Switched Battery Voltage

DRP/ABS/TCS Data

Volts

12

Dual Analog SWPS Input A

VSES Data

Volts

Varies

0-5

Dual Analog SWPS Input B

VSES Data

Volts

Varies

0-5

Engine Drag Control Active

DRP/ABS/TCS Data

Yes/No

No

Engine Drag Control Failed

DRP/ABS/TCS Data

Yes/No

No

Extended Travel Brake Switch

DRP/ABS/TCS Data

Applied/Released

Released

Ignition Voltage

    • DRP/ABS/TCS Data
    • VES

Volts

12

Lateral Accelerometer Input

VSES Data

Volts

2.5

Lateral Accelerometer - Engineering Units

VSES Data

g

0

LF Rotor Temperature

DRP/ABS/TCS Data

°C/°F

24°C (75°F)

LF Wheel Speed

    • DRP/ABS/TCS Data
    • VES Data

km/h or mph

0

LR Rotor Temperature

DRP/ABS/TCS Data

°C/°F

24°C (75°F)

LR Wheel Speed

    • DRP/ABS/TCS Data
    • VES Data

km/h or mph

0

Longitudinal Accelerometer Sensor

VSES Data

Volts

2.5

Longitudinal Accelerometer-Engineering Units

VSES Data

g

0

Panic Brake Assist

DRP/ABS/TCS Data

On/Off

Off

Pump Motor Feedback Voltage

DRP/ABS/TCS Data

Volts

12

Pump Motor Commanded State

DRP/ABS/TCS Data

On/Off

Off

Pump Motor PWM

DRP/ABS/TCS Data

On/Off

Off

Red Brake Warning Indicator

DRP/ABS/TCS Data

On/Off

Off

Requested Torque PWM Duty Cycle

DRP/ABS/TCS Data

%

90

Rough Road Parameter

DRP/ABS/TCS Data

On/Off

Off

RF Rotor Temperature

DRP/ABS/TCS Data

°C/°F

24°C (75°F)

RF Wheel Speed

    • DRP/ABS/TCS Data
    • VES

km/h or mph

0

RR Rotor Temperature

DRP/ABS/TCS Data

°C/°F

24°C (75°F)

RR Wheel Speed

    • DRP/ABS/TCS Data
    • VES

km/h or mph

0

Solenoid Relay Commanded State

DRP/ABS/TCS Data

On/Off

On

Solenoid Relay Feedback State

DRP/ABS/TCS Data

On/Off

On

Steering Sensor Output to CVRSS

VSES/CVRSS Data

%

2

Steering Sensor is Centered

VSES Data

Yes/No

No

Steering Source

VSES Data

V

0

Steering Wheel Angle

VSES Data

°

0

Stop Lamp Switch

DRP/ABS/TCS Data

Applied/Released

Released

SWPS PWM Output to CVRSS

VSES Data

°

0

Switched System Battery

    • DRP/ABS/TCS Data
    • VES

Volts

12

TCS Active

DRP/ABS/TCS Data

Yes/No

No

TCS Active Indicator/Message

DRP/ABS/TCS Data

On/Off

Off

TCS Failed

DRP/ABS/TCS Data

Yes/No

No

TCS Warning Indicator/Message

DRP/ABS/TCS Data

On/Off

Off

Vehicle Yaw Rate - Engineering Units

VSES Data

°/sec

0

VES Failed

VES

Yes/No

No

VES Commanded Current

VES

On/Off

Off

VES Feedback Current

VES

On/Off

Off

VES Indicator Message

VES

On/Off

Off

VSES Active

VSES Data

Yes/No

No

VSES Active Indicator/Message

VSES Data

On/Off

Off

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

VSES Data

On/Off

Off

Yaw Rate Error

VSES Data

Yes/No

No

Yaw Rate Sensor Input

VSES Data

Volts

2.5

Yaw Rate Steering is Centered

VSES Data

Yes/No

No

HVAC Control Module (Instrument Panel Module)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON, engine OFF.

TCS Switch

Non-HVAC Data

Off/On

Off

Powertrain Control Module (PCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON, engine OFF.

Traction Control Status

Engine Data 2

Active/Inactive

Inactive

Torque Delivered Signal

Engine Data 2

%

10

Torque Request Signal

Engine Data 2

%

90