Toyota Corolla (E120): On–vehicle inspection
1. Inspect brake booster

- Airtightness check.
- Start the engine and stop it after 1 or 2 minutes. Depress
the brake pedal several times slowly.
Hint
: if the pedal goes down farthest at the 1st time, but gradually rises after the 2nd or 3rd time, the booster is airtight.
- Depress the brake pedal while the engine is running,
and stop the engine with the pedal depressed.
Hint
: if there is no change in the pedal reserve distance after holding the pedal for 30 seconds, the booster is airtight.

- Operating check.
- Depress the brake pedal several times with the ignition switch off and check that there is no change in the pedal reserve distance.
- Depress the brake pedal and start the engine.
Hint
: if the pedal goes down slightly, operation is normal.
2. Inspect vacuum check valve
- check vacuum check valve.
- Slide the clip and disconnect the vacuum hose.
- Remove the vacuum check valve.

- Check that there is ventilation from the booster to engine, and no ventilation from the engine to the booster.
- If any fault is found, replace the vacuum check valve.
Other materials:
Clock assy
Replacement
1. Remove console panel upper
2. Remove heater control knob
3. Remove instrument cluster finish panel
4. Remove clock assy
Using a screwdriver, disengage the 4 claws, remove the
clock as shown in the illustration.
Hint:
tape the screwdriver tip before use. ...
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).
Perform active test using the hand–held ...
Changing the engine switch positions
1 “LOCK”
The steering wheel is locked and the key can be removed. (Vehicles with an automatic
transmission or continuously variable transmission: The key can be removed only
when the shift lever is in P.) 2 “ACC”
Some electrical components such as the audio system can be used.
3 “ON ...


