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
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