IG key OFF.
Place the probe of oscilloscope with 'control' and 'feedback' terminal of 'GCU' harness connector.
IG key ON, and monitor the signal waveform
Reference signal waveform : Refert to "Signal Waveform & Data"
Is the signal waveform normal?
![]() | ▶ Go to "Verification of Vehicle Repair" procedure. |
![]() | ▶ Replace GCU, and go to "Verification of Vehicle Repair" procedure |