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Toyota Corolla Repair Manual: On–vehicle inspection

Toyota Corolla Repair Manual / Fuel / Fuel system / On–vehicle inspection

1. Check fuel pump operation

  1. Connect the hand–held tester to the dlc3.
  2.  turn the ignition switch on and hand–held tester main switch on.

    Notice

    : do not start the engine.

  3.  select the active test mode on the hand–held tester.
  4.  please refer to the hand–held tester operator’s manual for further details.
  5.  if you have no hand–held tester, connect the positive (+) lead form the battery to terminal 4 of the connecter, and the negative (–) lead to terminal 5.

Notice

:

2. Check fuel pressure

  1. Prepare for inspection.
  1.  Purchase a new fuel tube, and take out the fuel tube connector from its tube.

Hint

: part no. 23901–0D010

  1.  work for prevent gasoline from spilling out.

     

  2.  disconnect the efi fuel pipe clamp.
  3.  disconnect the fuel tube from the fuel main tube.

     

  1. Install sst (pressure gauge) as shown in the illustration by using the sst and fuel tube connector.

    Sst 09268–41047 (90467–13001, 95336–08070), 09268–45014 (09268–41200, 09268–41220, 09268–41250, 90467–13001)

  2.  wipe off any splattered gasoline.
  3. ) start the engine.
  4.  measure the fuel pressure at idle.

    Fuel pressure: 304 – 343 kpa (3.1 – 3.5 Kgfvcm2, 44 – 50 psi)

  5.  stop the engine.
  6.  check that the fuel pressure remains as specified for 5 minutes after the engine has stopped.

    Fuel pressure:
    147 kpa (1.5 Kgfvcm2, 21 psi) or more

If pressure is not as specified, check the fuel pump, pressure regulator and/or injectors.

  1.  after checking fuel pressure, disconnect the negative (–) terminal cable from the battery and carefully, remove the sst and fuel tube connector to prevent gasoline from the splashing.
  2.  reconnect the fuel tube to fuel main tube.
  3.  install the efi fuel pipe clamp.
  4.  check fuel leak.
Fuel system
Precaution 1. Before working on fuel system, disconnect negative (–) terminal cable from battery 2. Do not smoke or work near an open flame when working on fuel system 3. Keep gasoline away from ...

Inspection
1. Fuel injector assy Inspect injector resistance.  Using an ohmmeter,measure the resistance between the terminals. Resistance: 13.4 – 14.2 Ω at 20 c (68 f) Inspe ...

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On–vehicle inspection
1. Horn button assy (vehicles not involved in collision) Check the diagnostic system . visually check the following item with the horn button assy (with airbag) installed in the vehicle. Check cuts, minute cracks or marked discoloration on the horn button assy top surface and in the ...

Inspection procedure
Hint: start the inspection from step 1 in case of using the hand–held tester and start from step 2 in case of not using hand–held tester. 1 Inspect brake actuator assy Select the datalist mode on the hand–held tester.  check the operation sound of the abs pump motor when operating it ...

Dialing
1 Display the phone screen. 2 Select the “Dial Pad” tab and enter a phone number. To delete the input phone number, select . For the first digit, you can enter “+” by selecting “*” for a while. 3 Press the switch on the steering wheel or select . ...

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