Toyota Tacoma manuals

Toyota Corolla Repair Manual: Throttle body assy

Components

Removal & installation and disassembly & reassembly

Removal & installation and disassembly & reassembly

1. Drain coolant

2. Remove cylinder head cover no.2

  1. Remove 2 nuts, 2clips and the cylinder head cover no. 2.

3. Remove air cleaner cap subassy

  1. Disconnect the maf connector.
  2.  disconnect the vsv connector.
  3.  disconnect 3 vacuum hoses, as shown in the illustration.
  4.  loosen an air cleaner hose clump and disconnect an air cleaner hose no. 1.
  5.  remove the air cleaner cap.

4. Remove air cleaner hose no.1

5. Separate accelerator control cable assy

6. Remove throttle body assy

  1. Disconnect an throttle position sensor connector.
  2.  disconnect a throttle body isc valve assy connector.
  3.  disconnect a pcv hose.

  1. Disconnect 2 water bypass hoses.

  1. Remove 5 bolts, 2 nuts, throttle body bracket and throttle body. (Transaxle m/t)

  1. Remove 3bolts, 2nuts and throttle body. (Transaxle a/t)

  1. Remove 2 bolts and accelerator cable bracket.

7. Remove E.F.I. Throttle position sensor

  1. Remove 2 screws and the throttle position sensor as shown in the illustration.

8. Remove thlottle body idle speed controlvalve assy

  1. Remove 3 screws and the idle speed control valve assy.
  2.  remove the gasket from the throttle body.

9. Install thlottle body idle speed control valve assy

  1. Install a new gasket on the throttle body.
  2.  install the idle speed control valve assy with 3 screws.

    Torque: 3.7 Nvm (38 kgfcm, 33 in.Vlbf)

10. Install E.F.I. Throttle position sensor

  1. Check that the throttle valve is fully close.
  2.  insert the throttle position sensor to the throttle body with it turned counterclockwise by 30 to 90 against the fully close valve position.
  3.  by turning the throttle position sensor clockwise, tighten 2 screws.

    Torque: 2.0 Nvm (20 kgfcm, 18 in.Vlbf)

11. Install throttle body assy

  1. Install the accelerator control bracket with 2 bolts.

    Torque: 13 nvm (133 kgfcm, 9.6 Ftvlbf)

  1. Install a new gasket on the intake manifold, as shown in the illustration.

  1. Install the throttle body with 5 bolts and 2 nuts.(Transaxle m/t) torque:
    a 30 nvm (306 kgfcm, 22 ftvlbf) b 13 nvm (133 kgfcm, 9.6 Ftvlbf)

  1. Install the throttle body with 3 bolts and 2 nuts.(Transaxle a/t) torque: 30 nvm (306 kgfcm, 22 ftvlbf)

  1. Connect 2 water bypass hoses to the throttle body.

  1. Connect the pcv hose to the throttle body.
  2.  connect the throttle body idle speed control valve assy connector to the throttle body.
  3.  connect the throttle position sensor connector to the throttle body.

12. Install air cleaner cap subassy

  1. Install the air cleaner cap.
  2.  connect the air cleaner hose.

  1. Connect 3 vacuum hoses, as shown in the illustration.
  2.  connect the vsv connector.
  3.  connect the intake air flow meter connector.

13. Install cylinder head cover no.2

  1. Install the cylinder head cover no. 2 With 2 nuts and 2 clips.

    Torque: 7.0 Nvm (71 kgfcm, 62 in.Vlbf)

14. Add coolant

15. Check engine coolant leak

Inspection
1. Intake air flow meter subassy Inspect the intake air flow meter resistance.  Using an ohmmeter, measure the resistance between terminals tha and e2. Resistance: at 20 c ( ...

Ecm (1zzfe)
Replacement 1. Disconnect battery negative terminal 2. Remove glove compartment door assy 3. Remove ecm Remove the 2 clips using a clip remover. Then, open the cover. Disconnect the ...

Other materials:

Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system. If the malfunction indicator lamp comes on The OBD system determines that a problem exists somewhere in the emission cont ...

Dtc check/clear
1. Dtc check (normal mode) Notice: handheld tester only: when the diagnostic system is switched from the normal mode to the check mode, all the dtcs and freeze frame data recorded in the normal mode will be erased. So before switching modes, always check the dtcs and freeze frame data, and n ...

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 Toyota Super Long Life Coola ...

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