Toyota Corolla (E120): Idle signal circuit

Dtc 51 idle signal circuit

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Heated steering wheel/seat heaters
Heated steering wheel Warms up the grip of the steering wheel Seat heaters Warm up the seat upholstery WARNING To prevent minor burn injuries Care should be taken if anyone in the following categories comes in contact with the steering wheel or seats when the heater is on: Babies, small chil ...

Circuit description
The variable valve timing (vvt) system includes the ecm, the oil control valve (ocv) and the vvt controller. The ecm sends a target ”duty–cycle” control signal to the ocv. This control signal, applied to the ocv, regulates the oil pressure supplied to the vvt controller. Camshaft timin ...

Replacement
1. Remove proportioning valve assy Using sst, disconnect the 5 brake tubes from the proportioning valve assy. Sst 09023–00100 Remove the 2 bolts and proportioning valve assy from the body. 2. Install proportioning valve assy Install the proportioning valve assy w ...