1.
Timing Inspection
(1)
Set up an oscilloscope as follows :
Channel A (+): terminal 2 of the CKPS, (-): ground
Channel B (+): terminal 2 of the CMPS, (-): ground
(2)
Start the engine and check for signal waveform whether synchronize with camshaft sensor or not and tooth is missing refer to sample waveforms as below.
(3)
Is the signal waveform normal?
YES
▶ Check for poor connection between PCM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to "Verification of Vehicle Repair" procedure.
NO
▶ Check the following items.
Alignment of the timing belt
Alignment of the camshaft timing chain
▶ Readjust or repair as necessary and go to "Verification of Vehicle Repair" procedure.
