Toyota Corolla (E120): Fuel pump control 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 ...

Inspection procedure
1 Check wire harness(dlc3 – airbag sensor assy center) Turn the ignition switch to the lock position.  disconnect the aribag sensor assy center connector.  measure the resistance according to the value(s) in the table below. Standard: 2 Check wire harness(cg of dl ...

Circuit description
While driving uphill with cruise control activated, in order to minimize gear shifting and provide smooth cruising overdrive may be prohibited temporarily under some conditions. The cruise control ecu sends o/d cut signals to the ecm as necessary and the ecm cancels overdrive shifting until ...