Page 2590 - Foton Workshop Manual - Sauvana

62-538 DIAGNOSIS-ENGINE CONTROL SYSTEM

DTC code Diagnosed items(DTC definition ) Fault location

• Open circuit or short circuit of
canister control valve wiring
Lower voltage of canister control valve
P0458 harnes
control circuit
• Canister control valve
• ECU

• Open circuit or short circuit of
canister control valve wiring
Higher voltage of canister control valve
P0459 harnes
control circuit
• Canister control valve
• ECU
• Idle speed motor
Idle control speed is lower than the target • Idle speed control valve
P0506
idle speed • Idle speed motor circuit
• ECU

• Idle speed motor
Idle control speed is higher than the target • Idle speed control valve
P0507
idle speed • Idle speed motor circuit
• ECU
• Open circuit or short circuit
Signal fault of driving stage of high-voltage of high-voltage fuel injector
P062B
fuel injector driving circuit
• ECU

• Fault indicating lamp
• Wi ri ng harn ess of fa ul t
P0650 Circuit fault of MILlamp driving stage
indicating lamp
• ECU
• Knock sensor
P1386 Improper control of knock signal
• ECU

P1545 Throttle bodyPIDadjustment minimum fault • Throttle body
Open circuit of intake flapper solenoid • Open circuit of solenoid valve
P2008
valve control circuit control circuit

Short circuit to earth of intake flapper • Short circuit of solenoid valve
P2009
solenoid valve control circuit control circuit
Power short-circuit of intake flapper • Power short-circuit of solenoid
P2010
solenoid valve control circuit valve control circuit

• Position sensor
• Poor contact of position sensor
P2016 Low signal of intake flapper position sensor connector Open circuit or short
circuit of wiring harness
• ECU

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