Mitsubishi Montero (1991+). Manual - part 324

 

  Index      Mitsubishi     Mitsubishi Montero - service repair manual 1991 year

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  322  323  324  325   ..

 

 

Mitsubishi Montero (1991+). Manual - part 324

 

 

Fig. 23:  Injector Bank - Known Good - Voltage Pattern

Fig. 24:  Injector Bank - Known Good - Voltage Pattern

         EXAMPLE #6 - CURRENT CONTROLLED DRIVER

         This known-good pattern from a Ford 3.0L V6 PFI VIN [U]

illustrates that a zener diode inside the computer is used to clamp

the injector’s inductive kick to 35-volts on this system. See  Fig. 25.

Fig. 25:  Injector Bank - Known Good - Voltage Pattern

         EXAMPLE #7 - CURRENT CONTROLLED DRIVER

         This known-good waveform from a Ford 5.0L V8 CFI VIN [F] was

taken during hot idle, closed loop, and no load. See  Fig. 26.

Fig. 26:  Single Injector - Known Good - Voltage Pattern

         EXAMPLE #8 - CURRENT CONTROLLED DRIVER

         These two known-good waveform patterns are from a GM 2.0L In-

Line 4 VIN [1].  Fig. 27 illustrates the 78 volt inductive spike that

indicates a zener diode is not used. The second waveform,  Fig. 28, was

taken during hot idle, closed loop, and no load.

 

 

 

 

 

 

 

Content   ..  322  323  324  325   ..