Engine JAC HFC4DA1-2C. Service manual — part 29

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

115

S/N DTC

Meaning

257 P1123

The signal level of intake air temperature sensor (integrated inside the air flow
sensor) is relatively low.

258

P1130

The signal level of fuel temperature sensor is relatively low.

259

P1131

The signal of fuel temperature is unreliable.

260

P113A

The signal of too high oil temperature is unreliable.

261

P113B

The signal level of oil temperature sensor is relatively high.

262

P113C

The signal level of oil temperature sensor is relatively low.

263

P1200

Short circuit between the high end and low end of the 1

st

cylinder fuel injector

264

P1201

Short circuit between the high end and low end of the 2

nd

cylinder fuel injector

265

P1202

Short circuit between the high end and low end of the 3

rd

cylinder fuel injector

266

P1203

Short circuit between the high end and low end of the 4

th

cylinder fuel injector

267

P1204

Short circuit between the high end and low end of the 5

th

cylinder fuel injector

268

P1205

Short circuit between the high end and low end of the 6

th

cylinder fuel injector

269 P1207 1

st

cylinder special error

270 P1208 2

nd

cylinder special error

271 P1209 3

rd

cylinder special error

272 P120A 4

th

cylinder special error

273 P120B 5

th

cylinder special error

274 P120C 6

th

cylinder special error

275 P1210

An error is reported when the time for electrifying the 1

st

cylinder reaches to the

minimum.

276 P1211

An error is reported when the time for electrifying the 2

nd

cylinder reaches to the

minimum.

277 P1212

An error is reported when the time for electrifying the 3

rd

cylinder reaches to the

minimum.

278 P1213

An error is reported when the time for electrifying the 4

th

cylinder reaches to the

minimum.

279 P1214

An error is reported when the time for electrifying the 5

th

cylinder reaches to the

minimum.

280 P1215

An error is reported when the time for electrifying the 6

th

cylinder reaches to the

minimum.

281

P1216

Maximum deviation error in the inner control circuit of electronic throttle

282

P1217

Minimum deviation error in the inner control circuit of electronic throttle

283

P1218

Maximum deviation error in the outer control circuit of electronic throttle

284

P1219

Minimum deviation error in the outer control circuit of electronic throttle

285 P121A 1

st

cylinder IQA error

286 P121B 2

nd

cylinder IQA error

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

116

S/N DTC

Meaning

287 P121C 3

rd

cylinder IQA error

288 P121D 4

th

cylinder IQA error

289 P121E 5

th

cylinder IQA error

290 P121F 6

th

cylinder IQA error

291

P1220

The signal level of intercooler downstream temperature sensor is relatively high.

292

P1221

The signal level of intercooler downstream temperature sensor is relatively low.

293

P122A

The positive deviation of throttle controller exceeds the upper limit for a long time.

294

P122B

The negative deviation of throttle controller is below the lower limit for a long time.

295

P1230

Error reported in monitoring the OBDII maximum threshold correction

296

P1231

Error reported in monitoring the OBDII minimum threshold correction

297

P1245

System degradation information

298 P1250

An error is triggered when the ET time of the 1

st

cylinder reaches the maximum limit

(when the ZEL comes into effect).

299 P1251

An error is triggered when the ET time of the 2

nd

cylinder reaches the maximum

limit (when the ZEL comes into effect).

300 P1252

An error is triggered when the ET time of the 3

rd

cylinder reaches the maximum limit

(when the ZEL comes into effect).

301 P1253

An error is triggered when the ET time of the 4

th

cylinder reaches the maximum limit

(when the ZEL comes into effect).

302 P1254

An error is triggered when the ET time of the 1

st

cylinder reaches the minimum limit

(when the ZEL comes into effect).

303 P1255

An error is triggered when the ET time of the 2

nd

cylinder reaches the minimum limit

(when the ZEL comes into effect).

304 P1256

An error is triggered when the ET time of the 3

rd

cylinder reaches the minimum limit

(when the ZEL comes into effect).

305 P1257

An error is triggered when the ET time of the 4

th

cylinder reaches the minimum limit

(when the ZEL comes into effect).

306

P1400

EGR valve circuit is open.

307

P1401

Overtemperature of EGR valve bridge-H chip

308

P1402

EGR valve circuit is short to power supply.

309

P1403

EGR valve circuit is short to ground.

310

P140A

The signal level of the EGR cooler downstream temperature is relatively high.

311

P140B

The signal level of the EGR cooler downstream temperature is relatively low.

312

P1410

The positive deviation of throttle controller exceeds the upper limit for a long time.

313

P1411

The negative deviation of throttle controller is below the lower limit for a long time.

314

P1415

The time for transforming from RGN to NRM mode is too long.

315

P1418

The indicator actuator circuit for EGR bypass regulating valve is open.

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

117

S/N DTC

Meaning

316

P1419

Overheating of indicator actuator for EGR bypass regulating valve

317

P141A

The indicator actuator circuit for EGR bypass regulating valve is short to battery.

318

P141B

The indicator actuator circuit for EGR bypass regulating valve is short to ground.

319

P141C

The relay actuator circuit for EGR bypass regulating valve is open.

320

P141D

Overheating of relay actuator for EGR bypass regulating valve

321

P141E

The relay actuator circuit for EGR bypass regulating valve is short to battery.

322

P141F

The relay actuator circuit for EGR bypass regulating valve is short to ground.

323

P1420

The maximum exhaust temperature signal of the 1

st

cylinder is too strong.

324

P1421

The maximum exhaust temperature signal of the 2

nd

cylinder is too strong.

325

P1422

The maximum exhaust temperature signal of the 3

rd

cylinder is too strong.

326

P1423

The maximum exhaust temperature signal of the 4

th

cylinder is too strong.

327

P1424

The maximum exhaust temperature signal of the 5

th

cylinder is too strong.

328

P1425

The maximum exhaust temperature signal of the 6

th

cylinder is too strong.

329

P1426

The minimum exhaust temperature signal of the 1

st

cylinder is too strong.

330

P1427

The minimum exhaust temperature signal of the 2

nd

cylinder is too strong.

331

P1428

The minimum exhaust temperature signal of the 3

rd

cylinder is too strong.

332

P1429

The minimum exhaust temperature signal of the 4

th

cylinder is too strong.

333

P142A

The minimum exhaust temperature signal of the 5

th

cylinder is too strong.

334

P142B

The minimum exhaust temperature signal of the 6

th

cylinder is too strong.

335

P1430

The exhaust temperature T0 in cold start is unreliable.

336

P1431

The exhaust temperature T1 in cold start is unreliable.

337

P1432

The exhaust temperature T2 in cold start is unreliable.

338

P1433

The exhaust temperature T3 in cold start is unreliable.

339

P1434

The exhaust temperature T4 in cold start is unreliable.

340

P1435

The exhaust temperature T5 in cold start is unreliable.

341

P1436

The exhaust temperature signal is unreliable.

342

P1437

Unreliable monitoring of the 1

st

cylinder exhaust temperature

343

P1438

Unreliable monitoring of the 2

nd

cylinder exhaust temperature

344

P1439

Unreliable monitoring of the 3

rd

cylinder exhaust temperature

345

P143A

Unreliable monitoring of the 4

th

cylinder exhaust temperature

346

P143B

Unreliable monitoring of the 5

th

cylinder exhaust temperature

347

P143C

Unreliable monitoring of the 6

th

cylinder exhaust temperature

348

P1440

Negative deviation error of oxygen sensor regulator

349

P1441

Positive deviation error of oxygen sensor regulator

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

118

S/N DTC

Meaning

350

P1442

Conversion failure of oxygen sensor regulator

351

P1450

The particulate filter upstream temperature is unreliable.

352

P1451

The signal level of particulate filter upstream temperature is relatively high.

353

P1452

The signal level of particulate filter upstream temperature is relatively low.

354

P1453

The signal level of particulate filter upstream temperature sensor is relatively high.

355

P1454

The signal level of particulate filter upstream temperature sensor is relatively low.

356 P1455 Connection

failure

of particulate filter differential pressure sensor hose

357

P1456

The particulate filter differential pressure sensor is unreliable.

358

P1457

Maximum characteristic differential pressure of particulate filter

359

P1458

Minimum characteristic differential pressure of particulate filter

360

P1459

Minimum deviation of particulate filter

361

P145A

The signal level of particulate filter flow impedance is high.

362

P145B

Maximum deviation of particulate filter smoke mass

363

P145C

Minimum deviation of particulate filter smoke mass

364

P145D

Maximum value of particulate filter smoke mass

365

P145E

The signal level of particulate filter flow impedance is relatively high.

366

P145F

The signal level of particulate filter flow impedance is relatively low.

367

P1460

The maximum differential pressure signal of particulate filter is enhanced.

368

P1461

The minimum differential pressure signal of particulate filter is enhanced.

369

P1462

The dynamic differential pressure of particulate filter is unreliable.

370

P1463

The differential pressure self-adaption of particulate filter hose is unreliable.

371

P1464

Particulate filter differential pressure error

372 P146A

The physical value of differential pressure sensor for particulate oxidation catalyst
exceeds the upper limit.

373 P146B

The physical value of differential pressure sensor for particulate oxidation catalyst
falls below the lower limit.

374 P146C CAN

Signal

error

375 P146D CAN

Signal

error

376

P1470

Nernst signal error of oxygen sensor

377

P1471

The oxygen sensor is virtually grounded.

378

P1472

The dynamic signal level of oxygen sensor is relatively low.

379

P1473

Oxygen sensor heater coupling signal fault

380

P1474

The oxygen sensor heater signal is unreliable.

381

P1475

The oxygen sensor battery voltage is relatively low.

382

P1476

The calibration signal level of oxygen sensor is relatively high.