toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Component Tests and General Diagnostics|Page 2010 > < Component Tests and General Diagnostics|Page 2008
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(e) WAVEFORM 5

(1) Variable Valve Timing (VVT) sensor signal (1)
(2) Crankshaft position sensor signal (2)

HINT: The wavelength becomes shorter as the engine rpm increases.

(f) WAVEFORM 6

(1) Igniter IGT signal (from ECM to igniter) (1)
(2) Igniter IGF signal (from igniter to ECM) (2)

HINT: The wavelength becomes shorter as the engine rpm increases.

(g) WAVEFORM 7

(1) Purge VSV for EVAP system operation signal

Component Tests and General Diagnostics|Page 2010 > < Component Tests and General Diagnostics|Page 2008