OTC Wireless switch/hub manual Special Test Descriptions, ABS Manual Control Tests, ABS Motor Test

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ABS / Air Bag 2004 User Guide

Special Test Descriptions

Figure 10.2: Special Tests Menu Screen

Note: The screen shown above is only an example. Actual screens vary by vehicle and component.

3From the Special Tests menu screen, select the test you want to perform and press the ENTER key.

4A group selection screen, test selection screen, several step-by-step instruction screens, or bi-directional control screen may appear. Read the screens and follow all instructions. If necessary, use the function keys to per- form commands or answer any questions. Use the ENTER key as instructed. (See “Special Test Screen Examples” on page 65.)

5When finished, use the EXIT key to return to previous screens.

Special Test Descriptions

This section includes brief descriptions of many of the special tests. Actual tests vary by vehicle manufac- turer, year, make, component, etc. For complete test instructions and specifications, refer to the vehicle service manual for the vehicle being tested.

ABS Manual Control Tests

Manual Control Tests let you use the NGIS tool to man- ually control the actuators in order to test the following: ABS motors, solenoids, solenoid enable relays, EMBs, and more.

You can confirm proper operation by comparing what you command with the NGIS tool to what the ECU sees as a response and to what the actual output is at the component.

ABS Motor Test

The Motor Test lets you use the NGIS tool to manually control the ABS pump motor. For some vehicles, the NGIS tool runs the test automatically; for other vehi- cles, the tool displays instructional screens for you to perform the test manually.

ABS Version Test

The ABS Version test displays the name of the brake system and the ABS controller version number, soft- ware ID, and sequence value.

Actuator Tests

The Actuator Tests let you use the NGIS tool to man- ually control the actuators in order to test the following: AYC valves, inlet valves, outlet valves, pump motors, TRACS valves.

You can confirm proper operation by comparing what you command with the NGIS tool to what the ECU sees as a response and to what the actual output is at the component.