Terminals Of ECM

ECM: 

Fig 1: Identifying ECM Terminals

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Fig 2: ECM Terminals Reference Table

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Oscilloscope wave form 1

Fig 3: Identifying Oscilloscope Wave Form 1

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HINT:

• Terminal: SP2- <=> SP2+
• Gauge set: 2 V/DIV, 20 ms/DIV
• Condition: Vehicle speed is approximately 20 km/h (12.43 mph).

Driver Side J/B ECU: 

Fig 4: Identifying Driver Side J/B ECU Terminals

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Fig 5: Driver Side J/B ECU Terminals Reference Table

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If the value is not within the standard range, some defects on the vehicle is suspected.