Component Inspection

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

■ Camshaft and crankshaft alignment check (Exhaust)

Ignition "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 (Exhaust side) synchronization - There are about 16~17 teeth between the CKPS missing tooth and CMPS signal.

Fig 1: Display - CKPS, CMPS-EX Normal Waveforms (Engine Idle)
Courtesy of KIA MOTORS AMERICA, INC.

A: CKPS & CMPS (Exhaust side) Synchronization - There are about 16~17 teeth between the CKPS missing tooth and CMPS signal.
Does the CKPS & CMPS ((Exhaust side) synchronize properly? (Check variation)
YES
- Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Carefully re-do this troubleshooting guide steps.
- If problem still occurs, replace CMPS-EX and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.