Maintenance manual for sunray hfc4da1-2c china-IV diesel engines
112
S/N DTC Meaning
159 P0660 The positive deviation of throttle controller exceeds the upper limit for a long time.
160 P0661 The Port 1 of EGR valve bridge-H chip is short to ground.
161 P0662 The Port 1 of EGR valve bridge-H chip is short to power supply.
162 P0663 Short circuit / overload of EGR valve bridge-H
163 P0664 The Port 2 of EGR valve bridge-H chip is short to ground.
164 P0665 The Port 2 of EGR valve bridge-H chip is short to power supply.
165 P0668 The voltage of ECU temperature sensor is below the lower limit.
166 P0669 The voltage of ECU temperature sensor is above the upper limit.
167 P0670 EGR valve circuit is open.
168 P0686 The main relay opens too early.
169 P0687 The main relay opens too late.
170 P0691 EGR valve circuit is short to power supply.
171 P0692 EGR valve circuit is short to ground.
172 P0693 EGR valve circuit is short to power supply.
173 P0694 EGR valve circuit is short to ground.
174 P0699 The sensor power supply monitoring fault 3
175 P0704 Clutch signal error
176 P0737 Then engine speed output signal circuit is open.
177 P0738 Then engine speed output signal circuit is short to ground.
178 P0739 Then engine speed output signal circuit is short to power supply.
179 P0A32 Parking counter error
180 P1000 The long-term jitter of EGR valve exceeds the limit.
181 P1001 The relief valve reaches to the maximum permissible opening position.
182 P1002 The relief valve reaches to the maximum permissible opening time.
183 P1003 The average fuel rail pressure regulated by relief valve is out of the range.
184 P1004 Check the flow equilibrium if the relief valve is opened normally.
185 P1005 The relief valve opens.
186 P1006 The relief valve is forced open to implement the pressure shock.
187 P1007
The torque in MAP for torque and fuel conversion does not increase along the fuel
direction strictly and monotonically.
188 P1008 PhyMod_trq2qBas_MAP contains non-strict and non-monotonic Q curve.
189 P1011 The positive deviation of rail pressure is above the upper limit.
190 P1012 The negative deviation of rail pressure is below the lower limit.
191 P1013 The maximum negative deviation of rail pressure is below the lower limit.
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