SFGE/SFI System 2JZ-GE — Injector On-Vehicle Inspection, page 16

EG–202
ENGINE – SFI SYSTEM (2JZ–GE)

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 normal operating noise in proportion to
engine speed.

Sound Scope

P02181

(b) If you have no sound scope, you can check the injector
transmission operation with your finger.
If no sound is heard or unusual vibration is felt, check the wir-
ing connector, injector or injection signal from the ECM.

P02124

2. INSPECT INJECTOR RESISTANCE
(a) Remove the throttle body together with the intake air
connector. (See steps 1 to 9 in injector removal)
(b) Disconnect the 6 injector connectors.
(c) Using an ohmmeter, measure the resistance between the
injector terminals.
Resistance:
At 20°C (68°F) 13.4–14.2 Ω
If the resistance is not as specified, replace the injector.
(d) Reconnect the 6 injector connectors.
(e) Reinstall the throttle body together with the intake air
connector. (See steps 8 to 16 in injector installation)

Ohmmeter

P10900