Wa320 5 [PDF]

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TROUBLESHOOTING OF HST CONTROLLER SYSTEM (HST MODE)

Before troubleshooting code display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-302 Before troubleshooting electrical system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-304 Information contained in troubuleshooting table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-305 Failure Code [989F00] (HST motor protection caution (00)). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-307 Failure Code [DHH1KX] (HST oil pressure sensor input signal outside range (KX)) . . . . . . . . . . . . . . . . . 20-308 Failure Code [DLE2LC] (Engine revolution sensor revolution speed signal mismatch (LC)) . . . . . . . . . . . 20-310 Failure Code [DW26KZ] (Motor 2 solenoid system discontinuity or short-circuiting (KZ)) . . . . . . . . . . . . . 20-312 Failure Code [DX19KZ] (Motor 1 solenoid system discontinuity or short-circuiting (KZ)) . . . . . . . . . . . . . 20-314 Failure Code [DX20KZ] (Clutch solenoid system discontinuity or short-circuiting (KZ)) . . . . . . . . . . . . . . 20-316 Troubleshooting Code [HST-1] (Defective HST controller power source (HST controller does not function)) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-318 Troubleshooting Code [HST-2] (Travel speed does not shifted) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-320 Troubleshooting Code [HST-3] HST Output Control (Traction control) cannot be controlled . . . . . . . . . . . . 20-324 Troubleshooting Code [HST-4] (Travel speed limit cannot be changed when gear speed selector switch is in "1st" position) . . . . . . . . . . . . . . . . 20-326 Troubleshooting Code [HST-5] (Travel speed is not increased) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-328

WA320-5

20-301 (2)..

Failure code

989F00 DHH1KX DLE2LC DW26KZ DX19KZ DX20KZ

15B0NX 2G42ZG 989F00 989FN1 AA1ANX AB00L6 AB00MA B@BAZG B@BAZK B@BCNS B@BCZK B@C7NS B@CRNS D5ZHL6 DAF0KT DAJ0KR DD15LD DD16LD DD17LD DD18LD DDK3KB DDS5L6 DGE2KX DGE3L6 DGH1KX DGR1KX DGR4KA DHE4L6

20-302

(2)

(Codes related to HST controller)

E00 E03 E03 E03 E03 E03

E01 E03 E00 E02 E01 E03 E03 E01 E01 E02 E01 E02 E02 E01 E03 E03 E01 E01 E01 E01 E03 E03 E01 E01 E01 E01 E01 E01 q q q q q q q

q q q q q q q q q q q q q q q q q q q q q q q q q q q

q

q

q q

(Codes related to monitor) q

q q q

q q

q q q

Defective engine oil level sensor

q

Lowering of engine oil level

Defective engine oil pressure sensor

q

Lowering of engine oil pressure

Defective clutch solenoid

Defective HST motor 1 solenoid

Defective HST motor 2 solenoid

Defective engine speed sensor

Defective air cleaner clogging sensor

Clogging of air cleaner

Defective alternator

Defective fuse/fusible link

Defective battery relay

Deterioration of battery

Defective forward-reverse lever

Defective monitor panel mode selector switch 2 >

Defective monitor panel mode selector switch 2


Defective monitor panel mode selector switch 2