FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Component Inspection





Component Inspection

1. Set up an oscilloscope as follows :
Channel A (+): Signal terminal of the CMPS #1 (back probe), (-): ground
Channel B (+): Signal terminal of the CKPS (back probe), (-): ground
2. Start the engine and check for signal waveform compared with reference waveform as below.




1 There are 60 signals of CKPS (Including missing tooth) during the semi-cycle of CMPS #1.
2 There are 3-5 signals of CKPS between the switching point of CMPS #1 and the missing tooth of CKPS.








3. Is the signal waveform normal?