Special Functions
This mode performs functional tests on ABS/TCS system which help to verify proper operation. In this mode, testing and observing the test results can further identify malfunction conditions. Under this test, the following tests are available:
- Automated Test
This test cycles each solenoid valve and pump motor to check component operation. This is identical to self-test that is performed when ignition switch is turned to RUN position. A DTC will set if malfunction is detected. - Automated Bleed
Used to bleed ABS hydraulics. - Solenoid Test
This test activates selected solenoid valves, commanding solenoid on and off. - Pump Motor Test
This test turns pump motor on and off. - Steering Wheel Position Sensor Test
This test monitors the analog and digital steering angle position and can only be run after the Steering Wheel Position Sensor has been centered.