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2001 Toyota Highlander, ECM/Inputs/Outputs waveform
B1S1 Air Fuel Ratio sensor: CH A is heater voltage (ECM ground side controlled), CH B is heater current
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| Engine | 3.0 L / 6 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 3.0L
| Engine | 3.0 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | Other |
| Condition | Known Good |
Video