Toyota Corolla (E120): Adjustment
1. Put vehicle these conditions
- tire inflation pressure is the specified value .
- start the engine.
2. Adjust fog light aim

- The fog light aim can be adjusting by moving the aiming screw in the vertical direction.
Hint
: the optical aim moves upward when turning a screwdriver clockwise, while it moves downward when turning a screwdriver counterclockwise.
3. Check fog light aim
Other materials:
On–vehicle inspection
1. Inspect speedometer
check the operation.
Using a speedometer tester, inspect the speedometer fro allowable
indication error and check
the operation of the odometer.
Reference:
Notice:
tire wear and tire over or under inflation will increase the indication error.
...
Circuit description
The fuel trim is related to the feedback compensation value, not to the basic
injection time. The fuel trim includes
the short–term fuel trim and the long–term fuel trim.
The short–term fuel trim is the short–term fuel compensation used to maintain
the air–fuel ratio at stoichiomet ...
Inspection procedure
Hand–held tester:
1 Perform active test by hand–held tester(operation of circuit
opening relay)
Connect the hand–held tester to the dlc3.
turn the ignition switch on and push the hand–held tester main
switch on.
select the item ”diagnosis / enhanced obd ii / active ...


