IG "OFF".
Select "Oscilloscope" in the menu.
Connect Channel A positive probe to Pin No.2 (Signal B) and Channel A negative probe to Pin No.1 (Signal A) on the CKPS connector.
Connect Channel B to Pin No.2(Signal) terminal of CMPS-EX harness connector and chassis ground.
Engine start. And check the signal waveforms.
Specification : CKPS & CMPS(Intake side) synchronization - There are about 4~5 teeth between the CKPS missing tooth and CMPS signal.
Fig.1) Normal Waveforms of OCV-in & CKPS, CMPS(IN) at Engine idle.
A : CKPS & CMPS(Intake side) syncronization - There are about 4~5 teeth between the CKPS missing tooth and CMPS signal.
Does the CKPS & CMPS(Intake side) synchronize properly? (Check variation)
![]() | ▶ Go to "Verification of Vehicle Repair" procedure. |
![]() | ▶ Carefully re-do this troubleshooting guide steps. ▶ If problem still occurs, replace CMPS-IN and then go to "Verification of Vechicle Repair" procedure. |