Toyota Corolla (E120): Diagnosis circuit

Wiring diagram

Circuit description

Other materials:

Replacement
1. Remove battery 2. Remove battery carrier Remove the 4 bolts and battery carrier. 3. Disconnect floor shift cable transmission control shift Remove the nut from the control shaft lever.  disconnect the control cable from the control shaft lever.  remove the clip a ...

Evap monitor (vacuum pressure monitor) (continued)
Preconditions The monitor will not run unless: mil is off. Fuel level is approximately 1/2 to 3/4. Altitude is 7800 feet (2400 m) or less.* Engine coolant temperature (ect) is between 40°f and 95°f (4.4 °C and 35 °C). Intake air temperature (iat) is between 40°f and 95 ...

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 ...