Toyota Corolla (E120) 2002–2008 Repair Manual / Cooling / Cooling fan system / On–vehicle inspection
Toyota Corolla (E120): On–vehicle inspection
1. Check cooling fan operation with low temperature (below 83 c (181 f))
- Turn the ignition switch on.
- check that the cooling fan stops.
Hint
: if not, check the cooling fan relay and water temperature sensor, and check for separated connector or severed wire between the cooling fan relay and water temperature sensor.
- disconnect the water temperature sensor connector.
- check that the cooling fan rotates.
If not, check the fuses, cooling fan relay, ecm and cooling fan, and check for a short circuit between the cooling fan relay and water temperature sensor.
- reconnect the water temperature sensor connector.
2. Check cooling fan operation with high temperature (above 93 c (199 f))
- start the engine, and raise coolant temperature to above 93 c (199 f).
Hint
: coolant temperature is the detected value by the water temperature sensor on the water outlet.
- check that the cooling fan rotates.
Hint
: if not, replace the water temperature sensor.
3. Inspect cooling fan
- disconnect the cooling fan connector.
- connect battery and ammeter to the connector.
- check that the cooling fan rotates smoothly, and check the reading
on the ammeter.
Standard amperage:
approx. 8.0 – 12.0 A at 20 c (68 f) - reconnect the cooling fan connector.
Other materials:
Circuit description
The side airbag sensor assy (lh) circuit consists of the diagnosis circuit
and lateral deceleration sensor, etc.
It receives signals from the lateral deceleration sensor, judges whether or not
the srs must be activated,
and detects diagnosis system malfunction.
Dtc b1141/33 is recorded wh ...
Engine coolant
The coolant level is satisfactory if it is between the “F” and “L” lines on the
reservoir when the engine is cold.
1 Reservoir cap
2 “F” line
3 “L” line
If the level is on or below the “L” line, add coolant up to the “F” line.
■Coolant selection
Only use “To ...
Phone screen
To display the screen shown below, press the
switch on the steering wheel or the
button.
Several functions are available to operate on each screen that is displayed by
selecting the 4 tabs.
1 Device name
2 Bluetooth® connection status
■ Telephone switch
■ Microphone
υ ...