Engine JAC HFC4DA1-2C. Manual — part 28

Maintenance manual for sunray hfc4da1-2c china-IV diesel engines

111

S/N DTC

Meaning

126

P0523

The signal level of oil pressure sensor is relatively high.

127

P0524

The minimum oil pressure signal is unreliable.

128

P0532

The signal level measured by A/C coolant pressure sensor is too low.

129

P0533

The signal level measured by A/C coolant pressure sensor is too high.

130

P0537

The signal level of A/C evaporator’s temperature is relatively low.

131

P0538

The signal level of A/C evaporator’s temperature is relatively high.

132

P0562

The signal level of battery voltage sensor is too low.

133

P0563

The signal level of battery voltage sensor is too high.

134 P0571 False

brake

signal

135

P0575

The analog cruise control signal is unreliable.

136

P0576

The analog cruise control signal level is too low.

137

P0577

The analog cruise control signal level is too high.

138

P0578

The analog cruise control button is stuck.

139

P0607

Cy320 Hardware error reported

140

P060A

Error reported in monitoring too high voltage

141

P060D

The accelerator pedal voltage signal is unreliable.

142

P0611

The injection frequency is limited by system.

143

P061B

Error reported in torque comparison

144 P061C

The deviation difference between the engine speed signals obtained from the 1

st

level

and the 2

nd

level is too large.

145

P061D

The set value of air system is limited by the torque limit of the function control unit.

146

P061F

Error reported in the process of throttle offset self-adaption

147

P0627

The control line of priming fuel pump is open.

148

P0628

The control line of priming fuel pump is short to ground.

149

P0629

The control line of priming fuel pump is short to power supply.

150

P062A

Overheating of priming pump

151 P062B

The set value of fuel injection amount is limited by the torque limit of the function
control unit.

152

P062F

Error reported in EEP read-write

153

P0643

The sensor power supply monitoring fault 1

154

P0645

The compressor circuit is open.

155

P0646

The compressor circuit is short to ground in electrifying phase.

156

P0647

The compressor circuit is short to power supply in electrifying phase.

157

P0650

EGR valve circuit is open.

158

P0653

The sensor power supply monitoring fault 2

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.

Maintenance manual for sunray hfc4da1-2c china-IV diesel engines

113

S/N DTC

Meaning

192

P1020

The heating drive circuit of fuel filter is open.

193

P1021

The heating drive circuit of fuel filter is short to power supply.

194

P1022

The heating drive circuit of fuel filter is short to ground.

195

P102A

The signal level of ambient pressure sensor is relatively high.

196

P102B

The signal level of ambient pressure sensor is relatively low.

197

P102C

The signal level of ambient temperature sensor is relatively high.

198

P102D

The signal level of ambient temperature sensor is relatively low.

199

P1030

Overtemperature of EGR valve bridge-H chip

200

P1031

Short circuit / overload of EGR valve bridge-H

201

P1032

Overcurrent of EGR valve bridge-H based on temperature

202

P1033

Under-voltage of EGR valve bridge-H

203

P1034

The EGR valve in closed status is stuck.

204

P1035

The EGR valve in open status is stuck.

205

P1036

The long-term jitter of EGR valve exceeds the limit.

206

P1037

An error is reported when the EGR valve is stuck in closing or opening.

207

P1038

The physical value of EGR valve position sensor is too high.

208

P1039

The physical value of EGR valve position sensor is too low.

209

P103A

The signal level of intercooler downstream temperature is relatively high.

210

P103B

The signal level of intercooler downstream temperature is relatively low.

211

P103C

EGR valve offset is unreliable.

212

P103D

The positive deviation of regeneration controller is above the limit.

213

P103E

The positive deviation of regeneration controller is below the limit.

214

P1040

Overheating of throttle bridge-H

215

P1041

Short circuit / overload of throttle bridge-H

216

P1042

Overtemperature caused by overcurrent of throttle bridge-H

217

P1043

Long-term deviation in the process of throttle self-adaption

218

P1044

Output circuit 2 of throttle bridge-H is short to ground.

219

P1045

Under-voltage of throttle bridge-H

220

P1046

Output circuit 2 of throttle bridge-H is short to power supply.

221

P1047

The physical value of throttle position is below the lower limit.

222

P1048

The throttle circuit is short to ground.

223

P1049

The physical value of throttle position is above the upper limit.

224

P104A

The throttle circuit is short to power supply.

225

P1060

OBD General fault 1

Maintenance manual for sunray hfc4da1-2c china-IV diesel engines

114

S/N DTC

Meaning

226

P1061

OBD General fault 10

227

P1062

OBD General fault 11

228

P1063

OBD General fault 12

229

P1064

OBD General fault 13

230

P1065

OBD General fault 14

231

P1066

OBD General fault 15

232

P1067

OBD General fault 16

233

P1068

OBD General fault 2

234

P1069

OBD General fault 3

235

P106A

OBD General fault 4

236

P106B

OBD General fault 5

237

P106C

OBD General fault 6

238

P106D

OBD General fault 7

239

P106E

OBD General fault 8

240

P106F

OBD General fault 9

241 P1070 Blockage

of

particulate

filter

242

P1100

The regulated idling value of air flow sensor is above the upper limit.

243 P1102

The duty cycle of air temperature sensor on the air flow meter is above the upper
limit.

244 P1103

The duty cycle of air temperature sensor on the air flow meter is below the lower
limit.

245 P1106

The time interval measured by the air temperature sensor on the air flow meter is
above the upper limit.

246 P1107

The time interval measured by the air temperature sensor on the air flow meter is
below the lower limit.

247

P110A

System degradation 0

248 P110B Level-1

degradation

249 P110C Level-2

degradation

250 P110D Level-3

degradation

251

P110E

Vehicle performance limit function is activated.

252

P1110

The detected signal within physical range is relatively high.

253 P1111 The

engine

coolant temperature signal level is relatively low.

254

P1120

The correction of air flow sensor load exceeds the maximum deviation limit.

255

P1121

The physical value of air flow meter is above the upper limit.

256

P1122

The physical value of air flow meter is below the lower limit.