Control System WL-C Engine
Glow Plug Relay
• The glow plug relay has a feedback line to the PCM to facilitate failure detection. The
PCM operates the glow plug relay for max. 120 s at an engine coolant temperature
below 32 °C.
BT-50_01038
1 From main relay 5 Glow plugs
2 Glow plug relay 6 Glow plug circuit fuse
3 PCM 7 From battery
4 Glow indicator light (IC)
01-50 Service Training BT-50
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