Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Injector Circuit

CIRCUIT DESCRIPTION
The injectors provide to the intake manifold. They inject fuel into the cylinders based on the signals from the engine control module.

Reference: INSPECTION USING OSCILLOSCOPE
- With the engine idling measure waveform between terminals #10 - 60 and E01 of engine control module.

HINT: The correct waveform appears as shown in the above image.

DIAGNOSTIC CHART

WIRING DIAGRAM

INSPECTION PROCEDURE