Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Readiness monitor drive pattern / Catalyst monitor (o2s type)
Toyota Corolla (E120): Catalyst monitor (o2s type)
- Preconditions
The monitor will not run unless:
- mil is off.
- Engine coolant temperature (ect) is 176°f (80 °C) or greater.
- Intake air temperature (iat) is 14°f (–10 °C) or greater.*
Notice
: * 2002 and later my vehicles: the readiness test can be completed in cold ambient conditions (less than 14°f / –10 °C), if the drive pattern is repeated a second time after cycling the ignition off.
- Drive pattern
- connect the obd ii scan tool to the dlc3 to check monitor status and preconditions.
- Drive the vehicle at 40 to 55 mph (64 to 88 km/h) for approximately 3 minutes.
Notice
: drive with smooth throttle operation and avoid sudden acceleration.
If iat is less than 50°f (10 °C) when starting engine, continue to drive vehicle at 40 to 55 mph (64 to 88km/h) for approximately 4 minutes.
- Drive the vehicle at 35 to 45 mph (56 to 72 km/h) for approximately 7 minutes.
Notice
: drive with smooth throttle operation and avoid sudden deceleration as much as possible with the throttle fully closed.
- If readiness status dose not switch to complete, make sure that the preconditions are met and the ignition switch is turned off and then repeat steps (2) and (3).
- Release pressure in the fuel tank by removing and then reinstalling the fuel tank cap.
- Start the engine and immediately begin driving as directed.
Other materials:
Description
1. Radio wave band
The radio wave bands used in radio broadcasting are as follows:
Lf: low frequency
mf: medium frequency
hf: high frequency
vhf: very high frequency
2. Service area
There are great differences in the size of the service area
for am and fm broadcasting. Sometimes ...
Speed sensor front lh
Replacement
Hint:
replace the rh side by the same procedure as the lh side.
1. Remove front wheel
2. Remove front fender liner lh
3. Remove speed sensor front lh
Disconnect the speed sensor wire harness clamp from
the body.
disconnect the speed sensor connector.
Remo ...
Circuit description
The airbag sensor assy center consists of a airbag sensor assy center, safing
sensor, drive circuit, diagnosis
circuit and ignition control, etc.
It receives signals from the airbag sensor, judges whether or not the srs must
be activated, and detects
diagnosis system malfunction.
Dtc b11 ...