lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Engine Controls - Techstream(R) ECU Re-Flash Procedure|Page 4143 > < Engine Controls - Techstream(R) ECU Re-Flash Procedure|Page 4141
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3. WAVEFORM 3

Hint

HINT: In Data List, item O2S B1 S2 or O2S B2 S2 shows the ECM input values from the heated oxygen sensor.

Waveform 4

4. WAVEFORM 4

Hint

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

Engine Controls - Techstream(R) ECU Re-Flash Procedure|Page 4143 > < Engine Controls - Techstream(R) ECU Re-Flash Procedure|Page 4141