Terminals Of ECM

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ECM

Fig 1: Identifying Terminals Of ECM

G02908745

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HINT:

Each ECM terminal's standard voltage is shown in the table below.

In the table, first follow the information under "Condition". Look under "Symbols (Terminal No.)" for the terminals to inspected. The standard voltage between the terminals is shown under "Specific Condition". Use the illustration above as a reference for the ECM terminals.

Fig 2: Symbols Specification

G02908746

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Waveform 1

Reference:

REFERENCE

Terminal	SLT+ - SLT-
Tool setting	5V/DIV, 1ms/DIV
Vehicle condition	Engine die speed

Fig 3: Identifying Waveform 1

G02908747

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Waveform 2

Reference:

REFERENCE

Terminal	DSL - E1
Tool setting	10V/DIV, 100ms/DIV
Vehicle condition	Vehicle speed 65 km/h (40 mph), lock up (ON to OFF

Fig 4: Identifying Waveform 2

G02908748

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Waveform 3

Reference:

REFERENCE

Terminal	SL2+ - SL2-
Tool setting	5V/DIV, 1ms/DIV
Vehicle condition	Engine idle speed

Fig 5: Identifying Waveform 3

G02908749

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Waveform 4

Reference:

REFERENCE

Terminal	SL1+ - SL1-
Tool setting	5V/DIV, 1ms/DIV
Vehicle condition	Engine idle speed

Fig 6: Identifying Waveform 4

G02908750

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Waveform 5

Reference:

REFERENCE

Terminal	NC+ - NC-
Tool setting	1V/DIV, 1ms/DIV
Vehicle condition	Vehicle speed 30 km/h (19 mph): (3rd gear) Engine speed 1,400 RPM

Fig 7: Identifying Waveform 5

G02908751

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Waveform 6

Reference:

REFERENCE

Terminal	NT+ - NT-
Tool setting	5V/DIV, 0.5ms/DIV
Vehicle condition	Vehicle speed 20 km/h (12 mph)

Fig 8: Identifying Waveform 6

G02908752

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Waveform 7

Reference:

REFERENCE

Terminal	SPD- E1
Tool setting	5V/DIV, 20ms/DIV
Vehicle condition	Vehicle speed 20 km/h (12 mph)

Fig 9: Identifying Waveform 7

G02908753

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002