Terminals Of ECM

Fig 1: Identifying Terminals Of ECM

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Pulse generation 1

1. Reference: 
   WAVE REFERENCE CHART
   
   

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

   Fig 2: Pulse Generation 1 Wave Form

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Pulse generation 2

1. Reference: 
   WAVE REFERENCE CHART
   
   

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

   Fig 3: Pulse Generation 2 Wave Form

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Pulse generation 3

1. Reference: 
   WAVE REFERENCE CHART
   
   

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

   Fig 4: Pulse Generation 3 Wave Form

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Pulse generation 4

1. Reference: 
   WAVE REFERENCE CHART
   
   

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

   Fig 5: Pulse Generation 4 Wave Form

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Pulse generation 5

1. Reference: 
   WAVE REFERENCE CHART
   
   

   Item	Condition
   Terminal	NT+ - NT-
   Tool setting	1V/DIV, 2ms/DIV
   Vehicle condition	Engine idle speed

   Fig 6: Pulse Generation 5 Wave Form

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Pulse generation 6

1. Reference: 
   WAVE REFERENCE CHART
   
   

   Item	Condition
   Terminal	SP2+ - SP2-
   Tool setting	2V/DIV, 20ms/DIV
   Vehicle condition	Vehicle speed 20 km/h (12 mph)

   Fig 7: Pulse Generation 6 Wave Form

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002