Fig Knock Sensor Waveform Graph Waveform

Camshaft timing oil control valve (OCV) WAVEFORM REFERENCE CHART

ECM Terminal Name

Between OC1+ and OC1-Between OC2+ and OC2-

Tester Range

5 V/DIV., 200 msec./DIV.

Condition

Accelerate slowly after engine warmed-up

HINT:

In the DATA LIST, the items VVT OCV DUTY B1 and B2 show the duty ratio of voltage flowing to the OCV (see illustration).

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

Land Cruiser Waveform
Fig. 17: Camshaft Timing Oil Control Valve Waveform Graph (OCV) 4. WAVEFORM 4
Variable Valve Timing (VVT) sensor (bank 1, 2) and Crankshaft position sensor WAVEFORM REFERENCE CHART

ECM Terminal Name

CH1: Between VV1+ and VV1-CH2: Between VV2+ and VV2-CH3: Between NE+ and NE-

Tester Range

2 V/DIV., 20 msec./DIV.

Condition

Idle after engine warmed-up

HINT:

The wavelength becomes shorter as engine rpm increases. 2Vi D

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