Toyota Corolla (E170) 2014–2019 Owners Manual / Maintenance and care / Do-it-yourself maintenance / Tires / Checking tires
Toyota Corolla (E170): Checking tires
1 New tread
2 Treadwear indicator
3 Worn tread
The location of treadwear indicators is shown by the “TWI” or “Δ” marks, etc., molded on the sidewall of each tire.
Check spare tire condition and pressure if not rotated.
Other materials:
Starting system
Inspection
1. Inspect starter assy
Notice:
these tests must be performed within 3 to 5 seconds to
prevent burnout of the coil.
perform the pull–in test.
Remove the nut, then disconnect the lead wire from
terminal c.
Connect the battery to the starter repai ...
Circuit description
The actuator motor is operated by signals from the cruise control ecu assy.
Acceleration and deceleration
signals are transmitted by changes in the duty ratio (see below).
Duty ratio:
the duty ratio is the ratio of the period of continuity in one cycle. For
example, if a is the period of co ...
Overhaul
1. Remove oil pump relief valve
Remove the oil pump relief valve plug, oil pump relief
valve spring and oil pump relief valve.
Oil pump relief valve plug
oil pump relief valve spring
oil pump relief valve
2. Inspect oil pump assy
Remove 3 screws and o ...