lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Component Tests and General Diagnostics|Page 2105 > < Component Tests and General Diagnostics|Page 2103
Page 8
background image

8.

WAVEFORM 8

Purge VSV operation signal

HINT
If the waveform is not similar to that shown in the illustration, check the waveform again after idling for 10 minutes or more.

9.

WAVEFORM 9

Vehicle speed signal

HINT
The wavelength becomes shorter as the vehicle speed increases.

10.

WAVEFORM 10

Throttle actuator positive terminal

HINT
The duty ratio varies depending on the throttle actuator operation.

11.

WAVEFORM 11

Component Tests and General Diagnostics|Page 2105 > < Component Tests and General Diagnostics|Page 2103