| Table 1: | Scan Tool Data Parameters |
| Table 2: | Scan Tool Output Controls |
Parameter | Expected Value | Description |
|---|---|---|
Operating Conditions: Engine is at idle, upper radiator hose is hot, closed throttle, gear is in PARK or NEUTRAL, and accessories are OFF. | ||
ATC Application | Varies | This parameter displays the model number assigned to the transfer case. The scan tool displays a numeric value. |
ATC Slip Speed | 0 | This parameter displays the RPM difference between the front and rear propshafts. The scan tool displays a range of 0-8,192 RPM. |
Battery Voltage | Battery Voltage | This parameter displays the voltage measured by the transfer case shift control module at the transfer case shift control module battery feed. The scan tool displays a range of 0-25.5 volts. |
Calibration Part Number | Varies | This parameter displays the part number assigned. The scan tool displays a numeric value. |
Clutch Pedal Engaged | No | This parameter displays On when the clutch pedal is depressed. The scan tool displays On or Off. |
Current Slip Adapts | Varies | This parameter displays corrective adjustments made by the transfer case shift control module for wheel slip events. The scan tool displays a numeric value. |
Encoder Gear Position | 2WD | This parameter displays the mode the transfer case is currently in. |
Encoder Return Voltage | Varies | This parameter displays the voltage measured by the transfer case shift control module at the encoder signal return. The scan tool displays a range of 0-7.5 volts. |
Encoder Supply Voltage | 5 volts | This parameter displays the voltage measured by the transfer case shift control module at the encoder power supply. The scan tool displays a range of 0-7.5 volts. |
End Model Part Number | Varies | This parameter displays the part number assigned. The scan tool displays a numeric value. |
Front Propshaft Speed | 0 | This parameter displays the rotational speed of the front propshaft. The scan tool displays a range of 0-8,192 RPM. |
Ign. Cycles Since Last Current DTC | Varies | This parameter displays how many ignition cycles have occurred since last current DTC was set. The scan tool displays a numeric value. |
Rear Propshaft Speed | 0 | This parameter displays the rotational speed of the rear propshaft. The scan tool displays a range of 0-8,192 RPM. |
Service 4WD Lamp | Off | This parameter displays On if the transfer case shift control module commands the Service 4WD lamp, or message, On. The scan tool displays On or Off. |
Slip Adapt PWM | 0 | This parameter displays the duty cycle applied to the transfer case encoder motor. The scan tool displays a range of 0-100 percent. |
Software Part Number | Varies | This parameter displays a numeric value indicating which version of software is currently installed in the transfer case shift control module. |
Total Slippage | 0 | This parameter displays the total slippage of both the front and rear propshafts. The scan tool displays a range of 0-8,192 RPM. |
Output Control | Description |
|---|---|
Refer to the scan tool manual for complete scan tool operating instructions. | |
ATC Motor B Control | This function allows the technician to command the motor in one direction, placing the vehicle in AWD mode. |
