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Inspector 920
Electrical / Air / ABS Tester


Another First from LITE-CHECK

ABSROLL TEST WEBhtml embed video by v3.0

Inspector 920 Video
Displaying ECU Information


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The Advanced ABS diagnostic trailer tester with brake and light testing takes the guesswork out of trailer repairs.

This next generation trailer tester is easy to use by every technician within a fraction of time with clear accurate digital messages. The LITE-CHECK 3-Step ABS Process will cut ABS troubleshooting time in determining ABS problems.

The Inspector 920 includes all of the PLC ABS codes dating from 2001 and with the latest Roll Stability codes eliminating multiple operations and tools in one simple process. The tester automatically identifies the ABS ECU issues and displays the necessary information to make repairs.

The Inspector 920 will simplify your trailer inspections with a 4 minute walk around to check the lights, brakes and ABS operation using the LITE-CHECK Full Function Remote Control.

Check out the Inspector 920 complete trailer tester incorporating TMC recommended practices and Federal vehicle requirements to meet your CSA standards.


Trailer ABS / PLC Operation for Road Stability Systems

  • Automatic ECU identification and display of PLC fault codes after 2001: BENDIX, HALDEX, MERITOR-WABCO, WABASH
  • Read configuration, current & stored faults, ECU voltage, trip odometer
  • Intelligent messages on new 4 line display
  • 3-Step ABS Process
  • Download upgrades on-line from LITE-CHECK

Trailer Electrical Operation (with remote)

  • Display circuit voltage and amperage with condition
  • Automatic fault alarm for circuit faults
  • Verify lamp operation with full function remote control operation

Trailer Air Brake Operation (with remote)

  • Regulated emergency air application
    (incoming air supply normally set at 120 psi)
  • Regulated service air application (internal air set at 95 psi)
  • Air system leak down test

Tractor Operation

  • Display tractor electrical pin output voltage
  • Perform TMC Recommended Practice 137 (tractor output voltage)
  • Operate truck service brakes with brake actuator and remote control

Vehicle Cable Test

  • Automatically displays PASS or FAIL
  • Identifies crossed-wires, shorts, and opens

Safeguards: Firmware embedded

  • Reversed polarity protection
  • Protected Mode when there is low voltage to protect the machine and the trailer's systems until the voltage resumes a normal level
  • Anti-compound prevention locks out service air until emergency air is applied


  • Power: 12vdc battery or LITE-CHECK Power Supply 313S
    (no battery charger)
  • Air: regulated filtered shop or truck compressed air supply of 120 psi


  • Complete packages for shop and mobile operation
    (see at



  • One year limited parts and labor. Repairs and service performed at LITE-CHECK, Spokane, Washington.