Page 2582 - Foton Workshop Manual - Sauvana

62-530 DIAGNOSIS-ENGINE CONTROL SYSTEM

DTC code Diagnosed items(DTC definition ) Fault location

• VVT inlet control valve
• Poor contact of VVT inlet
P0075 VVT inlet control valve circuit failure
control valve in the connector
• ECU

• Storage battery
• VVT inlet control valve
Circuit voltage of VVT inlent control valve is
P0076 • Poor contact of VVT inlet
too low
control valve in the connector
• ECU
• Storage battery or Charging
system
Circuit voltage of VVT inlent control valve is • VVT inlet control valve
P0077
too high • Poor contact of VVT inlet
control valve in the connector
• ECU

• VVT exhaust control valve
• Poor contact of VVT exhaust
P0078 VVT exhaust control valve circuit failure control valve in the connector.
broken circuit in wiring harness
• ECU
• Storage battery
• VVT exhaust control valve
Circuit voltage of VVT exhaust control valve • Poor contact of VVT exhaust
P0079
is too low control valve in the connector.
broken circuit in wiring harness
• ECU

• Storage battery or Charging
system
• VVT exhaust control valve
Circuit voltage of VVT exhaust control valve
P0080 • Poor contact of VVT exhaust
is too high
control valve in the connector.
broken circuit in wiring harness
• ECU
• Fuel pump
• Oil rail pressure sensor
P0087 Oil rail pressure is too low • Oil rail or oil pipeline
• Fuel injector
• ECU

• Fuel pump
P0088 Oil rail pressure is too high • Oil rail pressure sensor
• ECU

Page 2582