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Toyota Corolla Repair Manual: Onvehicle inspection

Toyota Corolla Repair Manual / Fuel / Fuel system / Onvehicle inspection

1. Check fuel pump operation

  1. Connect the handheld tester to the dlc3.
  2.  turn the ignition switch on and handheld tester main switch on.

    Notice

    : do not start the engine.

  3.  select the active test mode on the handheld tester.
  4.  please refer to the handheld tester operators manual for further details.
  5.  if you have no handheld 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. 239010D010

  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 0926841047 (9046713001, 9533608070), 0926845014 (0926841200, 0926841220, 0926841250, 9046713001)

  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 ...

Other materials:

Changing the passkey
1 Select Passkey using . 2 Input a 4 to 8-digit passkey using . Input the number 1 digit at a time. 3 When the entire number to be registered as a passkey has been input, press again. If the passkey to be registered has 8 digits, pressing again is not necessary. ...

Inspection procedure
Hint: if different dtcs related to different systems that have terminal e2 as the ground terminal are output simultaneously, terminal e2 may be open. If dtc p0441 (purge flow), p0446 (vsv for ccv), p0451, p0452 or p0453 (evaporative pressure sensor) is output with dtc p0442 or p0456, ...

Inspection procedure
Hint: handheld tester only: narrowing down the trouble area is possible by performing a/f control active test (heated oxygen sensor or other trouble areas can be distinguished). Perform active test using handheld tester (a/f control). Hint: a/f control is the active test which cha ...

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