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2001 Toyota Highlander, ECM/Inputs/Outputs waveform
Current of AFR sensor heater measured at 30F startup. Current *is* pulse width controlled, but those dropouts seen on this capture are only a fraction of the actual number (heater cycles at approx 25 Hz). My Fluke 98 doesn't sample and display long records w...
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| Engine | 2.4 L / 4 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | Other |
| Condition | Known Good |
References
Vehicle Data
2001 Toyota Highlander 2.4L
| Engine | 2.4 L / 4 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | Other |
| Condition | Known Good |
Video