Page 2586 - Foton Workshop Manual - Sauvana

62-534 DIAGNOSIS-ENGINE CONTROL SYSTEM

DTC code Diagnosed items(DTC definition ) Fault location

• Poor contact of booster exhaust
control valve in the connector.
The open circuit of booster exhaust control
P0243 Short or open circuit in sensor
valve drive
wiring harness
• ECU

• Short circuit of booster exhaust
Booster exhaust control valve drive short
P0245 control valve
circuit to ground
• ECU
• Short circuit of booster exhaust
Booster exhaust control valve drive short
P0246 control valve
circuit to power supply
• ECU

• The short circuit in flow control
Flow control valve drive short circuitto
P0250 valve wiring harness
ground( High-pressure side )
• ECU
• Poor contact of flow control
valve in the connector. Open
P0251 The open circuit of flow control valve drive
circuit insensor wiring harness
• ECU

• The short circuit in flow control
Flow control valve drive short circuit to
P0252 valve wiring harness
power supply
• ECU
• The short circuit in flow control
Flow control valve drive short circuit to
P0253 valve wiring harness
ground
• ECU

• The short circuit in flow control
Flow control valve drive short circuit to
P0254 valve wiring harness
power supply
• ECU
• Oil pump relay
• Oil pump relay controls the
connectors contact of circuit,
P025A Oil pump relay control circuit failure
Short or open circuit in oxygen
sensor wiring harness
• ECU

• Oil pump relay
• Oil pump relay controls the
connectors contact of circuit,
P025C Oil pump relay control circuit failure
Short or open circuit in oxygen
sensor wiring harness
• ECU

Page 2586