Toyota Corolla (E120): Ecu power source circuit

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Inspection procedure
Hint: hand–held tester only: narrowing down the trouble area is possible by performing ”a/f control” active test (heated oxygen sensor or other trouble areas can be distinguished). Perform active test using hand–held tester (a/f control). Hint: ”a/f control” is the active te ...

Circuit description
When the brake pedal is depressed, the stop lamp switch assy sends a signal to the cruise control ecu assy. When the cruise control ecu assy receives this signal, it cancels the cruise control. A fail–safe function is provided so that cancel functions normally, even if there is a malfu ...

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 ...