Cm

Ground CH2

Ground CH3

Ground

MflSMKn

Fig. 18: Variable Valve Timing (VVT) Sensor And Crankshaft Position Sensor Waveform Graph 5. WAVEFORM 5

Camshaft position sensor

WAVEFORM REFERENCE CHART

ECM Terminal Name

CH1: Between G2+ and G2-CH2: Between NE+ and NE-

Tester Range

5 V/DIV, 20 msec./DIV

2007 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Sequoia

1 Condition

Idle after engine warmed up |

The wavelength becomes shorter as the engine rpm increases.

5 V/DIV CH1 Ground -ft

CH2 Ground

5 V/DIV CH1 Ground -ft

CH2 Ground

J

D

l

H

j IIN UjLhliiiiLII Lk ■ ' Ifn'TTTl'TlHf Trifl'nir

.1 Llllfcj-llLiJi li.il liiLillL' ''nr 'rflWinl™ fRIF*!!«*

20 msec./DIV

Fig. 19: Camshaft Position Sensor Waveform Graph 6. WAVEFORM 6 Vehicle speed signal WAVEFORM REFERENCE CHART

ECM Terminal Name

Between SPD and E1

Tester Range

5 V/DIV., 20 msec./DIV.

Condition

Driving by 40 km/h (25 mph)

HINT:

The wavelength becomes shorter as engine rpm increases.

Ground ^

20 msecJDIV.

Fig. 20: Vehicle Speed Signal Waveform Graph 7. WAVEFORM 7

Throttle actuator positive terminal

2007 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Sequoia

WAVEFORM REFERENCE CHART

ECM Terminal Name

Between M+ and E1

Tester Range

5 V/DIV., 1msec./DIV.

Condition

Idle after engine warmed-up

HINT:

HINT:

The duty ratio varies depending on the throttle opening operation.

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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