GM Service Manual Online
For 1990-2009 cars only
Table 1: CCP Scan Tool Data List
Table 2: DIM Scan Tool Data List
Table 3: PCM Scan Tool Data List

CCP Scan Tool Data List

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition: ON, Engine: OFF, Temperature: COOL

Temp. Dr. Commanded

HVAC System Data

Percentile

98 %

Ignition: ON, Engine: OFF, Temperature: WARM

Temp. Dr. Commanded

HVAC System Data

Percentile

33 %

Ignition: ON, Engine: OFF, Mode: FRONT

HTR/DEF/AC Dr Commanded

HVAC System Data

Percentile

2 %

Ignition: ON, Engine: OFF, Mode: BLEND

HTR/DEF/AC Dr Commanded

HVAC System Data

Percentile

27 %

Ignition: ON, Engine: OFF, Mode: OFF or HTR

HTR/DEF/AC Dr Commanded

HVAC System Data

Percentile

66 %

Ignition: ON, Engine: OFF, Mode: BI-LEV

HTR/DEF/AC Dr Commanded

HVAC System Data

Percentile

89 %

Ignition: ON, Engine: OFF, Mode: VENT, NORM or MAX

HTR/DEF/AC Dr Commanded

HVAC System Data

Percentile

100 %

Ignition: ON, Engine: OFF, Mode: OFF, VENT, NORM, BI-LEVEL, BLEND, HTR, or FRONT

Air Inlet Dr Commanded

HVAC System Data

Percentile

0 %

Ignition: ON, Engine: OFF, Mode: MAX or RECIRC

Air Inlet Dr Commanded

HVAC System Data

Percentile

87 %

Ignition: ON, Engine: OFF, Mode: RECIRC+VENT, RECIRC+HTR, RECIRC+BLEND, RECIRC+NORM or RECIRC+BI-LEV

Air Inlet Dr Commanded

HVAC System Data

Percentile

87 %

Ignition: ON, Engine: OFF, Mode: OFF

Commanded Blower

HVAC System Data

Percentile

0 %

Ignition: ON, Engine: OFF, Mode: ANY except OFF, Blower: LOW

Commanded Blower

HVAC System Data

Percentile

6 %

Ignition: ON, Engine: OFF, Mode: ANY except OFF, Blower: HIGH

Commanded Blower

HVAC System Data

Percentile

82 %

Ignition: ON, Engine: OFF

Temp. Door Position

Special Functions

Hot

0 %

Temp. Door Position

Special Functions

Cold

100 %

HTR/DEF/AC Door Position

Special Functions

Defrost

0 %

HTR/DEF/AC Door Position

Special Functions

A/C

100 %

Air Inlet Door Position

Special Functions

Outside

0 %

Air Inlet Door Position

Special Functions

Recirc.

100 %

Blower Motor

Miscellaneous Tests

Off

0 %

Blower Motor

Miscellaneous Tests

On

99 %

DIM Scan Tool Data List

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Engine: ON, Mode: MAX, Temperature: COOL

A/C Clutch (Actual)

A/C Information

On/Off

On

A/C Clutch (Desired)

A/C Information

On/Off

On

Control Head (Desired)

A/C Information

A/C On/A/C Off

A/C On

A/C Pressure

A/C Information

Pressure

1004 kPa (146 psi)

Pressure Status

A/C Information

Low/Normal/High

Normal

Temperature Status

A/C Information

OK/Hot

OK

Clutch Voltage

A/C Information

Normal/Low

Normal

PCM Scan Tool Data List

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Engine: ON, Mode: MAX, Temperature: COOL

ECT

Engine Data 1

Degrees

71°C (159°F)

ECT

Engine Data 2

Degrees

71°C (159°F)

Commanded A/C

Engine Data 2

On/Off

On

A/C High Side Pressure

Engine Data 2

Volts

1.75 Volts

A/C Pressure Out Of Range

Engine Data 2

Yes/No

No

A/C Relay

Output Driver Data

OK/Fault

OK

A/C Relay

Engine Output Controls

On/Off

On/Off