CHERY·A21 SERVICE MANUAL ENGINE EFI SYSTEM
32
4.1 ENGINE DTC (DIAGNOSTIC TROUBLE CODE) LIST
DTC Definition DTC Definition
P0107
Much lower voltage of the air intake
pressure sensor
P0340 Phase sensor signal failure
P0108
Much higher voltage of the air intake
pressure sensor
P0342
Much lower voltage of the phase
sensor
P0112
Indicated temperature is much lower of
the air intake temperature sensor
P0343
Much higher voltage of the phase
sensor
P0113
Temp
erature is much higher indicated by
the air intake temperature sensor
P0443
Canister control valve drive grade
control circuit failure
P0117
Temperature is much lower indicated by
engine coolant temperature sensor
P0444
Much lower voltage of canister
control valve drive grade control
circuit
P0118
Temperature is much higher indicated by
engine coolant temperature sensor
P0445
Much higher voltage of canister
control valve drive grade control
circuit
P0122
The circuit voltage of throttle position
sensor is much lower
P0480
Air conditioner condenser cooling
fan relay control circuit failure
P0123
The circuit voltage of throttle position
sensor is much higher
P0500 Unreasonable failure of speed signal
P0130
Unreasonable failure of the upstream
oxygen sensor signal
P0506
Rotating speed of idle speed is lower
than target idle speed
P0132
Much higher voltage of upstream oxygen
sensor
P0507
Rotating speed of idle speed is
higher than target idle speed
P0134 Signal failure of upstream oxygen sensor P0508
Idle speed regulator control circuit
voltage is too low
P0135
Heating circuit failure of upstream
oxygen sensor
P0509
Idle speed regulator control circuit
voltage is too high
P0171
Closed loop air fuel ratio control self
adapting exceeds it maximum limit
P0511
Idle speed regulator control circuit
failure
P0172
Closed loop air fuel ratio control self
adapting exceeds it minimum limit
P0560 System voltage signal unreasonable
P0201 The 1st cylinder injector circuit failure P0562 System voltage is too low
P0202 The 2nd cylinder injector circuit failure P0563 System voltage is too high
P0203 The 3rd cylinder injector circuit failure P0601 ECU testing code failure
P0204 The 4th cylinder injector circuit failure P0602 ECU diagnosis data ID code failure
P0230 Fuel pump control circuit failure P0645
Air conditioner compressor relay
control circuit failure
P0325 Knock sensor circuit failure P0646
Much lower voltage of air
conditioner compressor relay control
circuit
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