Engine JAC HFC4DA1-2C. Service 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.
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