Component Inspection
■ Check Main relay
1.

IG "OFF" and disconnect main relay.

2.

Measure the resistance between battery power supply and control terminals of main relay.(Measurement "A")

3.

Measure the resistance between battery power supply and power supply to ECM terminals of main relay.(Measurement "B")

Specification :

Terminal

Continuity

Battery power supply - Power supply to ECM

NO

Battery power supply - Main relay control

YES(Approx. 70Ω ~ 120Ω)

4.

Is the measured resistance within specification ?

▶ Substitute with a known - good ECM and check for proper operation. If the problem is corrected, replace ECM and go to "Verification of Vehicle Repair" procedure.

▶ Substitute with a known - good Fuel Pump Relay and check for proper operation. If the problem is corrected, replace Fuel Pump Relay and go to "Verification of Vehicle Repair" procedure.

Яндекс.Метрика