Toyota Tacoma manuals

Toyota Corolla Repair Manual: Onvehicle inspection

1. Check cooling fan operation with low temperature (below 83 c (181 f))

  1. Turn the ignition switch on.
  2.  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.

  1.  disconnect the water temperature sensor connector.
  2. 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.

  3.  reconnect the water temperature sensor connector.

2. Check cooling fan operation with high temperature (above 93 c (199 f))

  1.  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.

  1.  check that the cooling fan rotates.

Hint

: if not, replace the water temperature sensor.

3. Inspect cooling fan

  1.  disconnect the cooling fan connector.
  2.  connect battery and ammeter to the connector.
  3.  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)

  4.  reconnect the cooling fan connector.
Cooling fan system
...

Inspection
1. Cooling fan relay Inspect the cooling fan relay continuity.  Using an ohmmeter, check that there is continuity between terminals 1 and 2. If there is no continuity, replace t ...

Other materials:

Refueling
Opening the fuel tank cap Perform the following steps to open the fuel tank cap: Before refueling the vehicle ● Close all the doors and windows, and turn the engine switch off. ● Confirm the type of fuel. ■Fuel types Unleaded gasoline (Octane rating 87 [Research Octane Number ...

Check and replace ecu
Notice: start an inspection of the connector from the backside of the connector on the wire harness side with the connector connected to the ecu. When no measurement condition is specified, perform the inspection with the engine stopped and also the ignition switch on. First check the ec ...

Coasting
Concept Under certain conditions the engine is automatically decoupled from the transmission in the D selector lever position. The vehicle continues traveling with the engine idling to reduce consumption. Selector lever position D remains engaged. This driving condition is referred to as coasting. ...

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