3.
Has a problem been found?
 | ▶ Repair as necessary and go to "Verification of Vehicle Repair" procedure |
 | ▶ Go to next step as below |
Many malfunctions in the electrical system are caused by poor harness and terminals.
Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
Has a problem been found?
| ▶ Repair as necessary and go to "Verification of Vehicle Repair" procedure |
| ▶ Go to next step as below |
IG "OFF".
Install the oscilloscope to CVVL Motor connector.
IG Key ON - Engine run
Check the operation status of CVVL motor PWM.
Specification : DC 9 ~ 16V
Is the measured voltage within specification ?
| ▶ Go to next step as below. |
| ▶ Repair or replace as necessary and then, go to "Verification of Vehicle Repair" procedure. |
Ignition "OFF"
Disconnect CVVL Motor and PCM connector
Measure the resistance between CVVL Motor 1 & Motor 2 terminal of CVVL Motor harness connector and CVVL Motor 1 & Motor 2 terminal of PCM harness connector
Specification : Approx. 0Ω
Is resistance within the specification?
| ▶ Go to next step as below |
| ▶ Check for open in signal harness. Repair as necessary and go to " verification of vehicle repair" procedure. |
