LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2002 >> Jimmy 2D Utility, Part Time, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1415 (Antilock Brake System And Traction Control System) >> Diagnostic Information and Procedures >> Scan Tool Output Controls (W/O NW7)

Scan Tool Output Controls (W/O NW7)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Scan Tool Output Controls (W/O NW7)

Scan Tool Output Control Additional Menu Selections Description
Refer to the scan tool manual for complete scan tool operating instructions.
Function Test - The EBCM commands the system relay, valve solenoids and pump motor ON and OFF. The EBCM sets a DTC if a malfunction is detected.
Automated Bleed - The EBCM commands each valve solenoid and the pump motor ON and OFF in a special sequence in order to bleed air out of the BPMV. Refer to ABS Automated Bleed Procedure  for a step-by-step procedure.
ABS Motor - This function allows the technician to command the ABS pump motor On and Off.
System Identification - The scan tool displays the hardware and software revision of the EBCM.
Tire Size Calibration
  • Read Tire Calibration
  • New Tire Size
IMPORTANT: The PCM must also be programmed with the correct tire size calibration when different size tires are installed on the vehicle. Refer to Service Programming System (SPS) in Programming.
This function allows the technician to read the tire size calibration of the EBCM or calibrate the EBCM to the correct tire size. Calibration must be performed when the EBCM is replaced or when different size tires are installed on the vehicle.
Solenoid Tests
  • Left Front Isolation Valve
  • Left Front Dump Valve
  • Right Front Isolation Valve
  • Right Front Dump Valve
  • Rear Isolation Valve
  • Rear DumpValve
 This function allows the technician to command a selected valve solenoid On and Off. Use the procedure below in order to verify proper operation of the EBCM and BPMV.

Solenoid Test Procedure

  1. Raise the vehicle so the wheels are about 15 cm (6 in) off the floor. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Select the desired Solenoid Test on the scan tool.
    IMPORTANT: Steps 3, 4 and 5 must be performed within a 5 second time period. The EBCM will only energize a solenoid for 5 seconds.
  3. Command the solenoid On.
  4. Apply the brake.
  5. Have an assistant attempt to spin the wheel of the brake circuit being tested. The wheel should spin even though the brake is being applied.
ABS Relay - This function allows the technician to command the system relay On and Off.
scientia non olet · About LEMON Manuals