Toyota Corolla (E120): Components
Other materials:
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 ...
Pre–check
1. Diagnosis system
Release the parking brake lever.
check the warning lights.
When the ignition switch is turned on, check that the abs
warning light and brake warning light goes on for 3 sec.
Hint:
when the parking brake is applied or the level of the brake
fluid is low, the ...
Circuit description
A flat type knock sensor (non–resonant type) has the structure that can
detect the vibration in a wider band
of frequency from about 6 khz to 15 khz and has the following features.
Knock sensors are fitted on the cylinder block to detect the engine knocking.
The sensor contains a piezoele ...