GM Service Manual Online
For 1990-2009 cars only

Rear Drive System/CCM Scan Tool Data List

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition is ON, engine OFF, and vehicle is stationary

Accelerator Pedal Position Sensor

CCM

A/D

D

Battery Volts

CCM

Volts

B+

Est. RDS Coupling Spd. Variation

CCM

RPM

Varies

Estimate Coupling Temperature

CCM

°C

Varies

LF Wheel Speed Sensor

CCM

km/h

0

LR Wheel Speed Sensor

CCM

km/h

0

Rear Drive Solenoid Cmd.

CCM

amps

Varies

Rear Drive System Temperature Sensor

CCM

°C

Varies

Rear Drive Torque Command

CCM

N-m

0-100%

RF Wheel Speed Sensor

CCM

km/h

0

RR Wheel Speed Sensor

CCM

km/h

0

Vehicle Speed

CCM

km/h

Varies