Special Functions

In this test mode, the scan tool can be used to perform functional tests on the ABS/TCS which help verify proper operation. Malfunction conditions can be further identified by testing and observing the test results. DTCs must be cleared before any tests in Special Functions can be performed. In a vehicle equipped with ABS/TCS, the Special Functions are grouped as following:
^ ABS
- Automated Test
- Solenoid Tests (for all inlet and outlet solenoid valves)
^ TCS
- Lamp Tests
- ABS Warning Lamp
- Low Trac Lamp
- TCS Test
- Lamp Tests-TCS OFF Lamp (ASR if vehicle is a Chevrolet)
- TPS Replacement