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WAVEFORM REFERENCE 5 HINT: The wavelength becomes shorter as the engine RPM increases. Fig. 21: Identifying Waveform 5 Reference 6. WAVEFORM 6 a. Igniter IGT signal (from ECM to igniter) b. Igniter IGF signal (from igniter to ECM) WAVEFORM REFERENCE 6 HINT: The wavelength becomes shorter as the engine RPM increases. ECM Terminal Name a. Between NE+ and NE- b. Between VV1+ and VV1- or VV2+ and VV2- Tester Range 2 V/DIV., 20 msec./DIV. Condition Idling ECM Terminal Name a. Between IGT (1 to 6) and E1 b. Between IGF1 and E1 Tester Ranges 2 V/DIV., 20 msec./DIV. Condition Idling
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (1GR-FE) - Tundra
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