lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Component Tests and General Diagnostics|Page 3019 > < Component Tests and General Diagnostics|Page 3017
Page 9
background image

(1) Air fuel ratio sensor heater operation signal

HINT
The wavelength becomes shorter as the engine speed increases.

(m)WAVEFORM 13

(1) EGR valve assembly signal

(n) WAVEFORM 14

(1) Camshaft revolution signal from ECM to power management control ECU (HV CPU) or inverter with converter assembly

HINT
The wavelength becomes shorter as the engine speed increases.

Component Tests and General Diagnostics|Page 3019 > < Component Tests and General Diagnostics|Page 3017