Toyota Corolla (E120): Adjustment
1. Inspect park/neutral position switch assy
- apply the parking brake and turn the ignition switch on.
- depress the brake pedal and check that the engine starts only when the shift lever is set in n or p position and it does not start in the other position.
- check that the back–up light comes on and the reverse warning
buzzer sounds only when the shift
lever is set in r position and these do not function in the other positions.
If a failure is found, check the park/ neutral position switch for continuity.
2. Adjust park/neutral position switch assy

- Loosen the 2 bolts of park/ neutral position switch and set the shift lever to the n position.
- align the groove and neutral basic line.
- hold the switch in position and tighten the 2 bolts.
Torque: 5.5 Nvm (56 Kgf·cm, 49 in.Vlbf)
- after adjustment, perform the inspection described in step 1.
Other materials:
Inspection procedure
Hint:
read freeze frame data using the hand-held tester or the obd ii scan tool.
Freeze frame data records the
engine conditions when a malfunction is detected. When troubleshooting, it is
useful for determining whether
the vehicle was running or stopped, the engine was warmed up or not, the ...
Inspection procedure
Hint:
if different dtcs related to different systems that have terminal e2
as the ground terminal are output
simultaneously, terminal e2 may be open.
If dtc p0441 (purge flow), p0446 (vsv for ccv), p0451, p0452 or p0453
(evaporative pressure
sensor) is output with dtc p0442 or p0456, ...
Mass or volume air flow circuit
Dtc p0100 mass or volume air flow circuit
Dtc p0102 mass or volume air flow circuit
low input
Dtc p0103 mass or volume air flow circuit
high input
Circuit description
The maf (mass air flow) sensor measures the amount of air flowing through the
throttle valve. The ecm
uses this information ...


