Toyota Corolla (E120): Idle signal circuit

Dtc 51 idle signal circuit

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Brake
Preparation Sst Recomended tools Equipment Lubricant ...

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 ...

Overhaul
1. Remove cylinder block water drain cock sub–assy Remove the cylinder block water drain cock from the cylinder block. 2. Inspect connecting rod thrust clearance Using a dial indicator, measure the thrust clearance while moving the connecting rod back and forth. Standard t ...