AIR FUEL RATIO (A/F) SENSOR HEATER CONTROL BLOCK DIAGRAM [MZR-CD (RF Turbo)]

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• The PCM determines the engine conditions based on input signals and sends an operation signal to the A/F sensor heater.

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1 | Battery
2 | Starter (starter signal)
3 | IAT sensor
4 | BARO sensor (integrated in PCM)
5 | CKP sensor
6 | Exhaust gas temperature sensor (lower)
7 | A/F sensor (A/F sensor heater)