Signal Waveform & Data

WARNING: This page is about a different variant/trim than selected.

Set up an oscilloscope as follows:
Channel A (+): Signal terminal of the CMPS #2(back probe), (-): ground

Channel B (+): Signal terminal of the CKPS (back probe), (-): ground
Start the engine and check for signal waveform compared with reference waveform as below.

Fig 1: Scantool Display - CMPS And CKPS Signal Waveform Of Exhaust Camshaft At Idle
Courtesy of HYUNDAI MOTOR AMERICA

Fig 2: Scantool Display - CMPS And CKPS Signal Waveform Of Exhaust Camshaft At Acceleration
Courtesy of HYUNDAI MOTOR AMERICA

A: CMPS and CKPS waveform of exhaust shaft at idle

B: CMPS and CKPS waveform of exhaust cam shaft at acceleration

(Tooth number is changed by CVVT operation)