Terminals Of ECM

ECM

Fig 1: Identifying ECM Connector Terminals

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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". Lock under "Symbols (Terminal No.)" for the terminals to be 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: ECM Terminal Specification Table

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Pulse generation 1

Reference:

PULSE GENERATION 1 REFERENCE

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

Fig 3: Identifying Pulse Generation 1 Waveform

G02942525

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Pulse generation 2

Reference:

PULSE GENERATION 2 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 Pulse Generation 2 Waveform

G02942526

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Pulse generation 3

Reference:

PULSE GENERATION 3 REFERENCE

Terminal	SL3+ - SL3-
Tool setting	5V/DIV, 1ms/DIV
Vehicle condition	Engine idle speed

Fig 5: Identifying Pulse Generation 3 Waveform

G02942527

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Pulse generation 4

Reference:

PULSE GENERATION 4 REFERENCE

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

Fig 6: Identifying Pulse Generation 4 Waveform

G02942528

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Pulse generation 5

Reference:

PULSE GENERATION 5 REFERENCE

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

Fig 7: Identifying Pulse Generation 5 Waveform

G02942529

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Pulse generation 6

Reference:

PULSE GENERATION 6 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 8: Identifying Pulse Generation 6 Waveform

G02942530

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Pulse generation 7

Reference:

PULSE GENERATION 7 REFERENCE

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

Fig 9: Identifying Pulse Generation 7 Waveform

G02942531

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Pulse generation 8

Reference:

PULSE GENERATION 8 REFERENCE

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

Fig 10: Identifying Generation 8 Waveform

G02942532

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002