Scan Tool Testing and Procedures
^ Tool Required:- Tech 2 Scan Tool Diagnostic Computer
A Tech 2 scan tool, when plugged into the Data Link Connector (DLC), becomes part of the vehicle's electronic system. The Tech 2 scan tool can perform the following functions:
^ Display and clear ABS Diagnostic Trouble Codes (DTCs).
^ Display ABS data.
^ Control ABS components.
Perform extensive ABS diagnosis.
Provide diagnostic testing for intermittent ABS conditions. Each test mode has specific diagnosis capabilities which depend upon the type of scan tool used. When using a Tech 2 scan tool, there are four main selections for diagnosing the ABS:
^ Diagnostic Trouble Codes - DTCs stored by the Electronic Brake Control Module (EBCM), both current drive cycle and history data, may be displayed or cleared.
^ Data Display - The Tech 2 scan tool continuously monitors wheel speed data, stoplamp switch status and other inputs and outputs.
^ Snapshot - The Tech 2 scan tool captures data before and after a system malfunction.
^ Special Functions - The Tech 2 scan tool performs various functional tests to assist in problem isolation during troubleshooting.