lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Component Tests and General Diagnostics|Page 3700 > < Component Tests and General Diagnostics|Page 3698
Page 7
background image

Igniter IGT Signal (from ECM (included in the hybrid vehicle control ECU) to Igniter) and Igniter IGF Signal (from Igniter to ECM (included
in the hybrid vehicle control ECU))

HINT
The wavelength becomes shorter as the engine speed increases.

8.

WAVEFORM 8

Purge VSV Signal

HINT
If the waveform is not similar to 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

Component Tests and General Diagnostics|Page 3700 > < Component Tests and General Diagnostics|Page 3698