GM Service Manual Online
For 1990-2009 cars only
Table 1: BCM Scan Tool Data List
Table 2: PCM Scan Tool Data List LX9 / 3.5L

BCM Scan Tool Data List

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF

8-Digit GM Part Number

Module Information

8-Digit Alphanumeric

Varies

A/C Switch

Inputs

Active/Inactive

Varies

PCM Scan Tool Data List LX9 / 3.5L

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF

A/C High Side Pressure

Engine Data 2

kPa/psi

420 kPa (61 psi)

A/C High Side Pressure

Engine Data 2

Volts

0.8 Volts

A/C Off For WOT

Engine Data 2

Yes/No

No

A/C Pressure Disable

Engine Data 2

Yes/No

No

A/C Relay Circuit Status

Output Driver Data

OK/Fault

OK

A/C Relay Command

Engine Data 1/Engine Data 2

On/Off

Off

A/C Request Signal

Engine Data 2

Yes/No

Varies

ECT Sensor

Engine Data 1/Engine Data 2

°C/°F

Varies