Pre-Heating System Operation - SSANGYONG Actyon Sports II 2012.01 Manual

4) Operation
Glow plug is installed in the cylinder head. It enhances the cold starting performance and reduces
the exhaust gas during cold starting.
(1) Operation
▶
Pre-Glow: Step 1
If normal communication with the ECU is established 2 seconds after the power is supplied to the
IGN terminal from the battery, the GCU supplies the battery power to raise the temperature of the
glow plug to 1000℃ by the pre-heating request from the engine ECU before starting.
- The time for pre-heating is controlled by the ECU.
Coolant
temperature
Operating time
Pre-
heating
Operating
conditions
1. If the input power (VB) is 11.5 V or less, the GCU supplies the battery power for arrival time
(T1).
2. If the input power (VB) is greater than 11.5 V, the GCU supplies the voltage of 11.5 V for arrival
time (T1).
The time for pre-heating by coolant temperature can vary slightly depending on e.g. other
vehicle operation elements.
-30°C -25°C -20°C
28 s 25 s 15 s
- IGN: ON
- B+: below 15.2 V
1413-00
1. Duty control area:
2. Between 5 and 100%
3. Frequency: 20 Hz
Duty ratio = (RMS voltage)²
(Battery voltage)²
-10°C -5°C
5 s 2 s
- Time-out
Stop
- IGN: OFF
conditions
- when engine cranking
10-7
0°C 20°C
2 s 0 s