toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Component Tests and General Diagnostics|Page 4254 > < Component Tests and General Diagnostics|Page 4252
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(f) Reconnect the fuel inlet hose to the fuel filter outlet with 2 new gaskets and the union bolt.

Torque: 29 N.m (300 kgf.cm, 22 ft.lbf) 

On-Vehicle

FUEL INJECTOR ON-VEHICLE INSPECTION 

1. Inspect injector operation.

Check operation sound from each injector.

(a) With the engine running or cranking, use a sound scope to check that there is a normal operating noise in proportion to engine speed.

(b) If you have no sound scope, you can check the injector transmission operation with your finger.

If no sound or unusual sound is heard, check the wiring connector, injector or injection signal from the ECM.

2. Inspect injector resistance.

(a) Disconnect the injector connector.

(b) Using an ohmmeter, measure the resistance between the terminals.

Resistance: 13.4 - 14.2 ohm at 20°C (68°F) 

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