Glow Plug Relay - Mazda 3 Facelift 2006 Training Manual

Control System

Glow Plug Relay

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The glow plug relay is located in the main fuse block and features a joint power supply
terminal for all glow plugs. Depending on the operating conditions the PCM energizes
the glow plug relay, which in turn switches the power supply to the glow plugs. To
facilitate failure detection the PCM monitors the voltage outputted to the glow plugs.
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1.6 MZ-CD Engine
Service Training Mazda3 F/L
M3FL_01016