Toyota Corolla (E120): Indicator light circuit

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Inspection procedure
1 Inspect fuse(ecu–ig fuse) Remove ecu–ig fuse from the instrument panel j/b.  check continuity of ecu–ig fuse. Ok: continuity 2 Inspect battery Ok: voltage: 10 – 14 v 3 Inspect skid control ecu connector(ig1 terminal voltage) In case of using hand–held te ...

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 ...

Circuit description
The ecm compares the two waveforms of the heated oxygen sensors located before and after the catalyst to determine whether or not the catalyst performance has deteriorated. Air–fuel ratio feedback compensation keeps the waveform of the heated oxygen sensor in front of the catalyst alterna ...