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ON-BOARD DIAGNOSTIC 04-02–3 04-02 ON-BOARD DIAGNOSIS id040200800200 On-Board Diagnostic (OBD) Test Description • The OBD test inspects the integrity and function of the DSC and outputs the results when requested by the specific tests. • On-board diagnostic test also: — Provides a quick inspection of the DSC usually performed at the start of each diagnostic procedure. — Provides verification after repairs to ensure that no other faults occurred during service. • The OBD test is divided into 3 tests: — Read/clear diagnostic results, PID monitor and record and active command modes. Read/clear diagnostic results • This function allows you to read or clear DTCs in the DSC HU/CM memory. PID/Data monitor and record • This function allows you to access certain data values, input signals, calculated values, and system status information. Active command modes • This function allows you to control devices through the M-MDS. Reading DTCs Procedure 1. Connect the M-MDS to the DLC-2 connector. items from the initialization screen of the M-MDS. • When using the IDS (notebook PC) 1. Select the “Toolbox” tab. • When using the PDS (pocket PC) 1. Select “Module Tests”. 3. Verify the DTC according to the directions on the screen. • If any DTCs are displayed, perform troubleshooting according to the corresponding DTC inspection. 4. After completion of repairs, clear all DTCs stored in the DSC. (See 04-02-3 ON-BOARD DIAGNOSIS.) Clearing DTCs Procedures 1. Connect the M-MDS to the DLC-2 connector. items from the initialization screen of the M-MDS. • When using the IDS (notebook PC) 1. Select the “Toolbox” tab. • When using the PDS (pocket PC) 1. Select “Module Tests”. 3. Verify the DTC according to the directions on the screen. 4. Press the clear button on the DTC screen to clear the DTC. DLC-2 acxuuw00001207 DLC-2 acxuuw00001207 1871-1U-06B(04-02).fm 3 ページ 2006年3月15日 水曜日 午前11時12分 |