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





P0315 Crankshaft Position System Variation Not Learned

Inspection/Repair - Component Inspection

Component Inspection

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








Fig 1,2) The CMPS falling (rising) edge is coincided with 3 - 5 tooth of the CKP from one longer signal (missing tooth)




3. Is the signal waveform normal?