GM Service Manual Online
For 1990-2009 cars only

Dash Integration Module (DIM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF

Hood Ajar Switch

Inputs

On/Off

Off

Horn (Except SWC)

Outputs

On/Off

Off

Park Lamp Relay

Outputs

On/Off

Off

Theft Lighting

Outputs

On/Off

Off

Driver Door Module (DDM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF

Key Cylinder Unlock

Inputs

Idle/Lock/Unlock

Idle

Engine Control Module (ECM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF

Auto Learn Mode Active

Engine Data 3

Yes/No

No

ECM in VTD Fail Enable

Engine Data 3

Yes/No

No

Export Mode

Engine Data 3

On/Off

Off

Fuel Continue

Engine Data 3

Yes/No

Yes

Fuel Disable Timeout

Engine Data 3

Yes/No

No

Password Learning Enabled

Engine Data 3

On/Off

Off

VTD Fuel Disable Until Ignition Off

Engine Data 3

Yes/No

No

Rear Integration Module (RIM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF

ASM Signal

Input/Output

Transmitted/Not Transmitted

Not Transmitted

ASM State

Input/Output

Disarm/Arm

Disarm

Battery Reconnect

CTD Alarm Triggers

On/Off

Off

CTD State

CTD Alarm Triggers

Ignition On/Ignition & Door/Ignition & Lock/Standby/Open/Locked/Arm Pending/Armed/Warn Away/Alarm

Varies

Driver Door Jamb Sw.

CTD Alarm Triggers

On/Off

Off

Hood Ajar Switch

CTD Alarm Triggers

On/Off

Off

Intrusion Sensor

CTD Alarm Triggers

On/Off

Off

Intrusion Sensor

Input/Output

OK/Active

OK

Intrusion Sensor Valid

CTD Alarm Triggers

Valid/Invalid

Valid

Left Rear Door Jamb Sw.

CTD Alarm Triggers

On/Off

Off

Pass. Door Jamb Sw.

CTD Alarm Triggers

On/Off

Off

Power Mode Change

CTD Alarm Triggers

On/Off

Off

Rt. Rear Door Jamb Sw.

CTD Alarm Triggers

On/Off

Off

Triggers Per Theft Cycle

CTD Alarm Triggers

Numeric

0

Trunk Ajar Switch

Input/Output

On/Off

Off

Trunk Ajar Switch Active

CTD Alarm Triggers

Yes/No

No

Trunk Disarm Switch

Inputs

OK/Disarm

OK

Vehicle Theft Deterrent

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF

8 Digit GM Part Number

ID Information

Numeric

Varies

Auto Learn Counter

Learn Key Data

Counts

Varies

Auto Learn Timer

Learn Key Data

Minutes

0-10

Battery Voltage

Data

Volts

Varies

Calibration ID

ID Information

Numeric

Varies

Dash Mode

Data

On/Off

Off

Export Mode

Data

On/Off

Off

First Key Flag

Learn Key Data

On/Off

Off

Fuel Continue

Learn Key Data

Yes/No

Yes

Fuel Disable Ignition Off

Learn Key Data

Yes/No

No

Ignition Counter

Data

Counts

Varies

Ignition Voltage

Data

Volts

Varies

Julian Date of Build

ID Information

Numeric

Varies

Manufacturers Enable Counter

Data

Counts

0

Master Keys Learned

Learn Key Data

Counts

2

No. of Learned Key Codes

Learn Key Data

Counts

2

PROM ID

ID Information

Numeric

Varies

Report Password

Data

On/Off

Off

Start Disabled

Data

Yes/No

No

Tamper Flag

Data

On/Off

Off

Two Good Keys Flag

Learn Key Data

On/Off

Off

Valet Flag

Data

On/Off

Off

VTD Fail Enable

Data

On/Off

Off

VTD States

Data

Ignition/Normal Decision/Learn First Key/Tamper/Monitor Key/Fail Enable/Seedkey Lrn Pend/Seedkey Learn/Auto Learn Pend/Auto Learn/Wakeup/Learn More Keys/No Coded Key/Check Second Key/Auto Lrn Done/Vin Check/Vin Timer

Monitor Key

Year Module Built

ID Information

Numeric

Varies