Component Inspection
■ Perform Injector Actuation Test
1.

Connect GDS to Data Link Connector(DLC).

2.

IG KEY "ON" & ENG "OFF".

3.

Perform "Actuation Test" for Injector

Fig.1) Injector Disable - Cylinder 4 Actuation Test

■ Check Injector performance
4.

IG KEY "OFF".

5.

Connect VMI to GDS and select "Oscilloscope".

6.

Connect Channel A positive probe to Pin No.2(Control) terminal of Injector harness connector and chassis ground.

7.

Connnect CH AUX probe to control wire of Injector.

8.

Warm up the engine to normal operating temperature.

Specification : Refer to Signal Waveform & Data

Fig.1) Engine Idle after Warm Up(Injection time - Approx. 3ms)

CH. A - Injector Max 57.1V

CH. AUX - Injector Current Max 680mA

Fig.2) Injection order

■ Check Injector performance
9.

IG Key "OFF".

10.

Disconnect Injector #4 connector.

11.

Measure resistance between Pin No.2 (control) terminal and Pin No.1 (power) terminal of the Injector #4. (component side)

Fig.1) 'Zero Set' Function

Specification : 13.8 ~ 15.2Ω [20°C(68°F)]

■ Confirm Part Inspection
12.

Does the Injector operate properly? (Check variation)

▶ Go to "Verification of Vehicle Repair" procedure.

▶ Carefully re-do this troubleshooting guide steps.

▶ If no problems were found with the circuits or connectors, replace the Injector #4 and go to "Verification of Vehicle Repair" procedure.

Яндекс.Метрика