1F–38 ENGINE CONTROLS
DAEWOO M-150 BL2
MAA1F050
MAIN RELAY CIRCUIT CHECK
Circuit Description
When the ignition is turned On or to the START position,
the main relay is energized. The main relay then supply
voltage to the engine fuse block fuse EF25 and EF26.
The Electronic Ignition (EI) system ignition coil is sup-
plied voltage through the engine fuse block fuse EF26.
The fuel injectors are supplied voltage through the en-
gine fuse block fuse EF25.
Diagnostic Aids
D An intermittent problem may be caused by a poor
connection, rubbed through wire insulation, or a bro-
ken wire inside the insulation.
D A fault main relay will cause a no start condition.
There will be no voltage supplied to the EI system
ignition coil, or the fuel injectors. Without voltage sup-
plied to these components, they will not operate.
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