Toyota Corolla (E120): Idle signal circuit

Dtc 51 idle signal circuit

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Replacement
1. Remove radiator grille sub–assy 2. Remove front bumper cover 3. Remove fog lamp assy lh Remove a nut and release a claw.  remove the fog light assy lh. 4. Put vehicle these conditions 5. Adjust fog light aim 6. Check fog light aim ...

Circuit description
The intake air temperature (iat) sensor, mounted on the mass air flow (maf) sensor, monitors the intake air temperature. The iat sensor has a thermistor that varies its resistance depending on the temperature of the intake air. When the air temperature is low, the resistance in the thermisto ...

Installing the spare tire
1 Remove any dirt or foreign matter from the wheel contact surface. If foreign matter is on the wheel contact surface, the wheel nuts may loosen while the vehicle is in motion, causing the tire to come off. 2 Install the tire and loosely tighten each wheel nut by hand by approximately the sa ...