0-5
CIRCUIT
REXTON 2006.09
2820-01
2820
PREHEATING CIRCUIT II (D27DT)
(1) CONNECTOR INFORMATION
(2) CONNECTOR IDENTIFICATION SYMBOL & PIN NUMBER POSITION
(3) CIRCUIT DESCRIPTION
Glow plug is installed on the cylinder head (combustion chamber) in the DSL preheating control
unit system. Cold starting performance has improved and exhaust gas during cold starting has
reduced. ECU receives coolant temperature and engine speed to control; after monitoring the
engine preheating/post heating and glow plug diagnosis function, the fault contents will be
delivered to ECU.
- Engine preheating/post heating functions
- Preheating relay activation by ECU controls
· Senses engine temperature and controls the preheating/post heating
time
· Preheating warning light
- K-LINE for information exchanges between preheating unit and ECU
· Transmits preheating unit self-diagnosis results to ECU
· Transmits glow plug diagnosis results and operating status to ECU
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