Engine JAC HFC4DA1-2C. Manual — part 30

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

119

S/N DTC

Meaning

383

P1477

The calibration signal level of oxygen sensor is relatively low.

384

P1478

The oxygen concentration of oxygen sensor exceeds the maximum threshold.

385

P1479

The oxygen concentration of oxygen sensor exceeds the minimum threshold.

386

P147A

Relatively high oxygen concentration is unreliable.

387

P147B

Relatively high oxygen concentration is unreliable.

388

P147C

Relatively high oxygen concentration is unreliable.

389

P147D

Relatively low oxygen concentration is unreliable.

390

P147E

Relatively low oxygen concentration is unreliable.

391

P147F

Relatively low oxygen concentration is unreliable.

392

P1480

The calibration value of oxygen sensor internal impedance is too high.

393

P1481

The calibration value of oxygen sensor internal impedance is too low.

394

P1482

The SPI battery voltage of oxygen sensor is too low.

395

P1483

The SPI signal of oxygen sensor is unreliable.

396

P1484

The oxygen sensor temperature is above the upper limit.

397

P1485

The oxygen sensor temperature is below the lower limit.

398

P1486

The oxygen sensor voltage in shunting exceeds the threshold.

399

P148A

The signal level of turbocharger upstream temperature sensor is relatively high.

400

P148B

The signal level of turbocharger upstream temperature sensor is relatively low.

401

P1500

The voltage signal level of vehicle speed sensor is relatively high.

402

P1501

The voltage signal level of vehicle speed sensor is relatively low.

403 P150A

Power supply diagnosis is disabled in electrifying phase due to overvoltage of
battery.

404 P150B

Power supply diagnosis is disabled in electrifying phase due to under-voltage of
battery.

405

P1510

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

406

P1511

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

407

P1512

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

408

P1513

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

409 P1514

Overtemperature of compressor torque reduction command circuit in electrifying
phase

410

P1515

A/C switch CAN input signal is unreliable.

411 P1516

The compressor torque reduction command circuit in electrifying phase is short to
ground.

412 P1517

The compressor torque reduction command circuit in electrifying phase is short to
power.

413

P1520

Short circuit of turbocharger bridge-H

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

120

S/N DTC

Meaning

414

P1521

Under-voltage of turbocharger bridge-H

415 P1522 Overcurrent

of

turbocharger

bridge-H

416

P1523

Overtemperature of turbocharger bridge-H

417

P1524

Overcurrent of turbocharger bridge-H temperature sensor

418

P1525

The valve is stuck in deviation learning process.

419

P1526

Output circuit 1 of turbocharger bridge-H is short to ground.

420

P1527

Output circuit 1 of turbocharger bridge-H is short to ground.

421

P1528

Output circuit 1 of turbocharger bridge-H is short to battery.

422

P1529

Output circuit 2 of turbocharger bridge-H is short to battery.

423

P1601

EGR valve circuit is open.

424

P1602

Too high downstream temperature of coolant temperature sensor is unreliable.

425

P1603

EGR valve circuit is short to power supply.

426

P1604

EGR valve circuit is short to ground.

427

P1608

EGR valve circuit is short to power supply.

428

P1609

EGR valve circuit is short to ground.

429

P160A

EGR valve circuit is open.

430

P160B

Overtemperature of EGR valve bridge-H chip

431

P160C

Overcurrent of turbocharger bridge-H temperature sensor

432

P1610

Execute closing fuel injection under standard ICO mode.

433

P1613

The electrifying time detected by galloping prevention monitor is too long.

434

P1614

Several faults occur during SPI communication.

435

P1615

Time-out when trying to set up or cancel alarm task

436

P1617

Error reported in monitoring under-voltage

437 P1618 WDA

works

abnormally.

438

P1619

EGR valve circuit is short to power supply.

439

P161A

EGR valve circuit is short to ground.

440

P161B

EGR valve circuit is open.

441

P161C

EGR valve circuit is open.

442

P161D

Failure in software reset visibility

443

P161E

Failure in software reset visibility

444

P161F

Failure in software reset visibility

445

P1620

TTLAMP drive circuit is open.

446

P1621

The drive circuit for fuel consumption display is short to power supply.

447

P1622

The drive circuit for fuel consumption display is short to ground.

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

121

S/N DTC

Meaning

448

P1623

The drive circuit for fuel consumption display is open.

449

P1624

Overtemperature of the drive circuit for fuel consumption display

450

P1625

TTLAMP drive circuit is short to power supply.

451

P1626

TTLAMP drive circuit is short to ground.

452

P1627

Overheating of TTLAMP drive circuit

453

P1633

The signal level of ECU temperature sensor is relatively high.

454

P1634

The signal level of ECU temperature sensor is relatively high.

455

P1635

The signal level of ECU temperature sensor is relatively low.

456

P1636

The signal level of ECU temperature sensor is relatively low.

457

P1637

The power supply voltage is too high.

458

P1638

The power supply voltage is too low.

459

P1639

The physical value of ECU temperature sensor exceeds the upper limit.

460

P163A

The physical value of ECU temperature sensor falls below the lower limit.

461

P163B

ECU temperature sensor SPI fault (LM71)

462

P1640

Compressor overtemperature in electrifying phase

463

P1643

Signal safety checkout error

464

P1645

The injection frequency is limited by the boosting electric quantity charging balance.

465 P1646

The injection frequency is limited by the high pressure fuel pump fuel quantity
balance.

466

P1647

The injection frequency is limited by the runtime.

467

P164C

EGR valve circuit is open.

468

P164D

EGR valve circuit is short to power supply.

469

P164E

EGR valve circuit is short to ground.

470 P1650 EEP

Clear

Error

471 P1651 EEP

Clear

Error

472

P1652

An error is reported when the module’s data-writing is disabled for three times.

473 P165A Null

dataset

identifier

474

P165B

Dataset switchover fault

475

P165C

EEPROM data-reading error

476

P1660

ADC open circuit pulse test fault

477

P1662

The voltage being transformed by ADC module exceeds the set range of test voltage.

478

P1663

The radiometry correction exceeds the set range.

479

P1664

Monitoring control communication fault

480

P1665

SPI Monitoring control communication fault

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

122

S/N DTC

Meaning

481

P1666

Several faults occur when testing the whole ROM zone.

482 P1667

The number of responsive bytes obtained from CPU in monitoring mode is too small
/ Error of the set response time of monitoring mode

483

P1668

Error of the set response time of monitoring mode

484

P166A

OFF-route test time-out

485

P166B

The electrifying time for injection is unreliable.

486

P166C

The initial electrifying angle (SO E) is unreliable.

487

P166D

ZFC is unreliable.

488

P166E

Fuel injection monitoring mode 1

489

P166F

Fuel injection monitoring mode 2

490

P1670

Error reported in fuel injection correction

491

P1671

Unreliable rail pressure

492 P1672

The torque limit is set once any error is detected before the MoCSOP's error is
generated.

493

P1673

Monitoring OFF-route forward test fault

494

P1674

Monitoring fault mode 3

495

P1675

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

496

P1676

Open circuit of EGR valve bridge-H

497

P1677

Overload of EGR valve bridge-H

498

P1678

Overtemperature of EGR valve bridge-H chip

499 P167B CY33X

fault

500 P167C

The set value of rail pressure is limited by the torque limit of the function control
unit.

501

P1680

The cruise indicator drive circuit is open.

502

P1681

Overtemperature of cruise indicator drive circuit

503

P1682

The cruise indicator drive circuit is short to power supply or high level.

504

P1683

The cruise indicator drive circuit is short to ground.

505

P1684

The grill heater is always ON.

506

P1685

DFC mechanical fault when turning on ignition switch

507

P1686

Fuel filter heating power level temperature fault

508

P1687

CJ945 Power level no load fault

509

P1688

CJ945 Power level no load fault

510

P1689

Overheating of intake air heater drive circuit

511

P168A

CJ945 Overheating fault

512

P168B

CJ945 Power level is short to battery.