SSANGYONG RODIUS 2004.09 Manual page 49

3) CIRCUIT DESCRIPTION
Glow plug is installed on the cylinder head (combustion chamber) in the D27DT 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/after 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.
0-5
2820-01
CIRCUIT
RODIUS 2004.09