Turbo charger controlled by ECU is being applied recently. ECU calculates the optimized fuel ratio by measuring the accurate air mass from turbo charger.
If the boost pressure from intake manifold reaches target pressure value, ECU makes a part of exhaust gas bypass.
Concentrated mix gas makes much higher horse power in explosion cycle.
ECU shows this DTC when EWGA feedback sensor is short or open battery.
Item
Detecting Condition
Possible Cause
DTC Strategy
Electrical Check
Check EWGA wiring
Enable Conditions
Battery voltage is higher than 6v and lower than 16v.
Threshold Value
Waste gate sensor voltage is higher than 4.9v
Diagnostic Time
0.2sec
MIL On Condition
Two trips
DC - MOTOR(EWGA)
SUPPLY VOLTAGE RANGE
Max CURRENT
10 ~ 16V
8.5A