Mazda 6 MPS 2005 Training Manual Supplement page 75

Engine
•
The fuel injectors are controlled by switching the ground connection.
•
The figure below shows injector voltage measutred at both connections of the injector.
1 PCM output
2 Fuel injector operation period
3 Close current
4 Hold current
Service Training Mazda6 MPS Supplement
5 Excess exciting current
6 PCM input
7 Injector driver module output
L3 Turbo
M6-MPS_01048
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