Page 2585 - Foton Workshop Manual - Sauvana

DIAGNOSIS-ENGINE CONTROL SYSTEM 62-533

DTC code Diagnosed items(DTC definition ) Fault location

• Cylinder 3
P0203 Open circuit of cylinder 3 injector • Injector wiring harness
• ECU

• Cylinder 4 62
P0204 Open circuit of cylinder 4 injector • Injector wiring harness
• ECU
Engine speed exceeds the maximum
P0219 • ECU
speed limit

• Throttle position sensor
• Poor contact of throttle position
The voltage of electronic throttle position sensor in the connector,Short
P0222
sensor signal 2 circuit is too low or open circuit in sensor wiring
harness
• ECU
• Throttle position sensor
• Poor contact of throttle position
The voltage of electronic throttle position sensor in the connector,Short
P0223
sensor signal 2 circuit is too high or open circuit in sensor wiring
harness
• ECU

The pipeline of exhaust control valve
P0234 leading to the bleed valve pressure • The leakage and disconnection
of pipeline
chamber exists leakage ordisconnection
• Turbocharger pressure sensor
• Poor contact of turbocharger
The signal failure of turbocharger pressure
P0236 pressure sensor NG, open
sensor
circuit of sensor harness
• ECU

• Turbocharger pressure sensor
• Poor contact of turbocharger
The signal voltage of boost pressure
P0237 pressure sensor NG, open
sensor is too low
circuit of sensor harness
• ECU
• Turbocharger pressure sensor
• Poor contact of turbocharger
The signal voltage of boost pressure
P0238 pressure sensor NG, open
sensor is too high
circuit of sensor harness
• ECU

Page 2585