IG KEY "OFF".
Disconnect alternator connector.
IG KEY "ON" & ENG "OFF"
Measure the voltage between L terminal of alternator harness connector and chassis ground.
Measure the voltage between FR terminal of alternator harness connector and chassis ground.
Measure the voltage between C terminal of alternator harness connector and chassis ground.(with ISG)
Specification : L terminal : B+
FR terminal : Approx. 9~11V
C terminal : Approx. 3.6V (with ISG)
Is the measured voltage within specification ?
![]() | ▶ Go to "Component inspection" procedure. |
![]() | ▶ Repair as necessary and then go to "Verification of vehicle Repair" procedure. |