SsangYong: Engine Euro 4. Manual - part 55
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
8
DIAGNOSIS
ECU
Limp
Home
Mode
Immedi-
ately
Engine Stop
Delayed
Engine
Stop
Torque
Reduction
(max.50%)
Torque
Reduction
(max.20%)
New DTC
DTC
Trouble
Help
P0103
High HFM Sensor Signal
(Circuit Short)
- HFM sensing values are higher than
maximum sensing values.
- Check the resistance in HFM sensor.
- Check the ECU wiring harness
(open and poor contact).
• Check the ECU pin #82 and #84
for open circuit.
- Actual air mass flow vs. Output
voltages.
• -20 Kg/h: 0.47 V
• 0 Kg/h: 0.99 V
• 10 Kg/h: 1.2226 ~ 1.2398 V
• 15 Kg/h: 1.3552 ~ 1.3778 V
• 30 Kg/h: 1.6783 ~ 1.7146 V
• 60 Kg/h: 2.1619 ~ 2.2057 V
• 120 Kg/h: 2.7215 ~ 2.7762 V
• 250 Kg/h: 3.4388 ~ 3.5037 V
• 370 Kg/h: 3.8796 ~ 3.9511 V
• 480 Kg/h: 4.1945 ~ 4.2683 V
• 640 Kg/h: 4.5667 ~ 4.6469 V
- Replace the ECU if required.
P0105
Supply Voltage Fault to
Booster Pressure Sensor
- Out of range of supply voltages about
boost pressure sensor at Ignition key-
On and Engine Stop (Higher than
specified values).
- Check the supply voltage to sensor.
- Actual boost pressure vs. Output voltages
• Raw Signal Range: 0.545 ~ 2.490 bar
• 0.4 bar: 0.6120 V
• 1.4 bar: 2.6520 V
• 2.4 bar: 4.6920 V
- Check the sensor wiring harness
for ECU pin #100 and #108 (open,
poor contact).
- Visually check sensor and replace
if required.
- Replace the ECU if required.
- Check whether existing or not
about turbo boosting control
malfunction (P1235) simultaneously.
- If there is turbo boost control fault,
Should be checked followings also;
• Leakage before turbo system
• Vacuum pump malfunction
• Waste gate’ solenoid valve
• Turbo charger system defect or
malfunction itself
• Air inlet restriction
• Exhaust system restriction