Disconnect the Injector and PCM connector and inspect for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Reconnect the connectors.
Connect the GDS and go to ""Current Data"".
Monitor Injector values in Current Data, check and wiggle the harness(es), connector(s), and terminal(s).
Any change in the values indicates a poor connection. Was a connector problem found?
![]() | ▶ Repair the connector. Go to "Verification of Vehicle Repair" procedure. |
![]() | ▶ Go to "Power Circuit Inspection" procedure. |
IG "OFF". Disconnect injector connector.
IG "ON".
Measure voltage between power terminal of injector harness connector and chassis ground.
Specification : Approx. B+
Is the measured voltage within specification ?
![]() | ▶ Go to "Control Circuit Inspection" procedure. |
![]() | ▶ Repair open or short to ground in Injector Power Supply Circuit. Go to "Verification of Vehicle Repair' procedure. |
IG "OFF". Disconnect injector connector and PCM connector.
Measure resistance between injector control terminal of injector harness connector and chassis ground.
Specification : Infinite
Is the measured resistance within specification ?
![]() | ▶ Go to "Check open in harness" as follows. |
![]() | ▶ Repair short to ground in harness. Go to "Verification of Vehicle Repair" procedure. |
IG "OFF". Disconnect injector connector and PCM connector.
Measure resistance between injector control terminal of injector harness connector and injector control terminal of ECM harness connector.
Specification : Below 1Ω
Is the measured resistance within specification ?
![]() | ▶ Go to "Component Inspection" procedure. |
![]() | ▶ Repair open in harness. Go to "Verification of Vehicle Repair" procedure. |