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Technical Forum (Read Only) => Computers, Fuel and Emissions => Topic started by: VileZambonie on October 09, 2019, 05:16:24 PM

Title: INJECTOR CIRCUIT DIAGNOSIS CHART A-4 (TBI)
Post by: VileZambonie on October 09, 2019, 05:16:24 PM
CHART A-4 - INJECTOR CIRCUIT DIAGNOSIS

(https://drive.google.com/uc?id=1eCjD2ue57rhnyTTCSy35H_u10mKZDh5N)

(https://drive.google.com/uc?id=1V8-0xJ5ECuVUNg3Ig3RgdNtZks5YPsJd)

Circuit Description :
This chart should only be used if diagnosis in CHART A-3 indicated an injector circuit problem. If both injector circuits fail to blink when tested, diagnose, one injector circuit at a time.

Test Description : Step numbers refer to step numbers on diagnostic chart.
This step tests for 12 volts to the injector. It will also determine if there is a short to voltage on the ECM side of the circuit.
This test checks for continuity to the ECM.