Toyota Corolla (E120): Front suspension

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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 ...

On–vehicle inspection
1. Install lspv gauge (sst) and bleed air  remove the bleeder plugs from the front and rear brake cylinder.  install the lspv gauge (sst), and bleed the air. Sst 09709–29018 2. Raise master cylinder pressure and check rear wheel cylinder pressure Hint: when inspectin ...

Problem symptoms table
Proceed to the reference page shown in the table below for each malfunction symptom and troubleshoot each circuit. Hint: troubleshooting of the tvip system is based on the premise that the door lock control system and wireless door lock control system is operating normally. Accordingly, be ...