Electrical Signal Inspection
ELECTRICAL SIGNAL INSPECTIONAssembly of SST
EC-AT tester (49 G019 901)
EC-AT tester (49 G019 901 B)
EC-AT tester (49 G019 901 C)
Inspection Procedure
Caution: Do not connect the WDS or equivalent to the DLC-2 when the EC-AT tester is connected to the TCM. Doing so can cause incorrect test results.
When using the EC-AT tester (49 G019 901) and adapter units (49 G019 902 and either 49L019 901A)
1. Assemble the SST.
2. Set the SST (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.
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 SST (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
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 following 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 901 B) and panel (49 H019 909)
Part 1 of 2
Part 1 of 2
EC-AT tester (49 G019 901) and panel (49 H019 907), or EC-AT tester (49 G019 901 B) and panel (49 H019 906)
Part 1 of 2
Part 2 of 2
EC-AT tester (49 G019 901 C)
Part 1 of 2
Part 2 of 2