Toyota Corolla (E170): Indicators
The indicators inform the driver of the operating state of the vehicle’s various systems.

*1: Vehicles without a smart key system: These lights turn on when the engine switch is turned to the “ON” position to indicate that a system check is being performed. They will turn off after the engine is started, or after a few seconds. There may be a malfunction in a system if a light does not come on, or if the lights do not turn off. Have the vehicle inspected by your Toyota dealer.
Vehicles with a smart key system: These lights turn on when the engine switch is turned to IGNITION ON mode to indicate that a system check is being performed. They will turn off after the engine is started, or after a few seconds. There may be a malfunction in a system if a light does not come on, or if the lights do not turn off. Have the vehicle inspected by your Toyota dealer.
*2: If equipped
*3: The light flashes to indicate that the system is operating.
*4: The light does not turn on when the system is disabled.
*5: This light illuminates on the center panel.
CAUTION
■If a safety system warning light does not come on
Should a safety system light such as the ABS and SRS warning lights not come on when you start the engine, this could mean that these systems are not available to help protect you in an accident, which could result in death or serious injury. Have the vehicle inspected by your Toyota dealer immediately if this occurs.
Other materials:
Inspection
1. Spark plug
Notice:
never use a wire brush for cleaning.
Never attempt to adjust the electrode gap on used
spark plug.
Spark plug should be replaced every 192,000 km
(120,000 miles).
Clean the spark plugs.
Air pressure: below 588 kpa (6.0 Kg/cm2, 85 psi)
duration: 20 sec ...
Removal and installation of fuel control parts
Place for removing and installing of fuel system parts
work in a place with good air ventilation and without anything
flammable such as welder, grinder,
drill, electric motor or stove in the surroundings.
Never work in a place such as a pit or nearby a pit, as there is a ...
Throttle body assy
Components
Removal & installation and disassembly & reassembly
1. Drain coolant
2. Remove cylinder head cover no.2
Remove 2 nuts, 2clips and the cylinder head cover no. 2.
3. Remove air cleaner cap sub–assy
Disconnect the maf connector.
disconnect the vsv co ...


