Component Tests and General Diagnostics

EC-AT TESTER (49 G019 901)





EC-AT TESTER (49 G019 901B)





EC-AT TESTER (49 G019 901C)

ELECTRICAL SIGNAL INSPECTION [LF4A-EL]
Inspection Procedure

Caution Do not connect the NGS to the DLC 2 when the EC-AT tester is connected to the TOM. Doing so can cause incorrect test results.

When using the EC-AT tester (49 G019 901) and adapter units (49 H019 902 and either 49 L019 901 or 49 L019 901A)
1. Assemble the SST.





2. Set the SSTs (49 H019 902, 49 L019 901A) vehicle switch to 929 position.
3. Turn the ignition switch and the EC-AT tester main switch to the ON position.
4. Check the indication of the respective light or digital display in each condition, referring to the indication table on the following page.

When using the EC-AT tester (49 G019 901 B) and adapter unit (49 L019 901 or 49 L019 901A)
1. Assemble the SST.





2. Set the SSTs (49 G019 901 B. 49 L019 901A) vehicle switch to 929 position.
3. Turn the ignition switch and the EC-AT tester main switch to the ON position.
4. Check the indication of the respective light or digital display in each condition, referring to the indication table on the following page.

When using the EC-AT tester (49 G019 901C)
1. Assemble the SST.





2. Turn the SST select switch to the mark on the panel.
3. Turn the ignition switch and the EC-AT tester main switch to the ON position.
4. Check the indication of the respective light or digital display in each condition, referring to the indication table.








Indication Table of Light and Digital Display EC-AT tester (49 G019 901) and panel (49 H019 910), or EC-AT tester (49 G019 901B) and panel (49 H019 909)








EC-AT tester (49 G019 901) and panel (49 H019 907), or EC-AT tester (49 G019 901B) and panel (49 H019 906)








EC-AT tester (49 G019 901C)