P0180 Fuel Temperature Sensor - Malfunction; P1678 Glow Plug Malfunction - Open; P1679 Glow Plug Malfunction - Short; P1680 Glow Plug Malfunction - Short To Ground - SSANGYONG 2004 Rexton 2.7XDi Workshop Manual

DTC Trouble
P0180 Fuel temperature sensor -
Malfunction
P1678 Glow Plug Malfunction -
Open
P1679 Glow Plug Malfunction -
Short
P1680 Glow Plug Malfunction -
Short to Ground
P1530 #1 Heater operating circuit
- Open
DIAGNOSIS
DI ENG SM - 2004.4
Help
- The power source circuit is faulty for
fuel temperature sensor. (Fuel tem-
perature sensor is mounted in high
pressure pump)
- Actual fuel temp. vs. Resistance
• -40°C: 75.780 Ω -20°C: 21.873 Ω
• -10°C: 12.462 Ω 0°C: 7.355 Ω
• 10°C: 4.481 Ω 20°C: 2.812 Ω
• 25°C: 2.252 Ω 30°C: 1.814 Ω
• 40°C: 1.199 Ω 50°C: 0.811 Ω
• 70°C: 0.394 Ω 90°C: 0.206 Ω
• 120°C: 0.087 Ω
- Recovery values when fuel tempera-
ture sensor failure: 95°C
- Check the supply voltage to sensor.
- Check the wiring harness for open,
short and poor contact.
• ECU pin: #109, #110
- Check the ECU wiring and replace the
ECU if required.
- Glow plug circuit malfunction: Open.
- Check the glow plug wiring harness
for open.
• ECU pin #113
- Check the glow plug relay operations.
- Check the glow plug power supply.
- Check the ECU wiring and replace the
ECU if required.
- Glow plug circuit malfunction: Short.
- Check the glow plug wiring harness
for open.
• ECU pin #113
- Check the glow plug relay operations.
- Check the glow plug power supply.
- Check the ECU wiring and replace the
ECU if required.
- Glow plug circuit malfunction: Short to
ground.
- Check the glow plug wiring harness
for open.
• ECU pin #113
- Check the glow plug relay operations.
- Check the glow plug power supply.
- Check the ECU wiring and replace the
ECU if required.
- #1 heater circuit malfunction: Open.
- Check the wiring harness for open.
• ECU pin #61
- Check the heater relay operations.
- If the forced operation is not available,
replace the ECU.
- Check the ECU wiring and replace the
ECU if required.
Torque Torque Delayed
Reduction Reduction Engine
(max.50%) (max.20%) Stop
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
DI10-47
Immediately Limp
Engine Home
Stop Mode