Kubota KX080-4 Workshop Manual page 424

KX080-4, WSM
CAN communication error (CRS)
1. Voltage check
[Measurement Conditions]
1. Disconnect the ECU connector.
2. Key switch: ON
3. Measure the voltage based on the table below.
Meas
urem Connector Name (+ terminal side)
ent
(1) Main ECU
(2) Main ECU
(3) Main ECU
Regular: 12V
Irregular: Large discrepancy from 12V
2. Continuity check
[Measurement Conditions]
1. Key switch: OFF
2. Disconnect the connector to be tested.
3. Test the continuity based on the table below.
Meas
urem Connector Name (+ terminal side)
ent
(1) SBF (CRS) 30A
(2) SBF (CRS) 30A
(3) Engine ECU relay
(4) Engine ECU relay
(5) Engine ECU relay
(6) Joint connector
(7) Joint connector
(8) Main (signal)
(9) Main (signal)
Regular: Continuity
Irregular: No continuity
[D] Steps to Take after Completing Repairs
Pin No. Connector Name (- terminal side)
<5> Body GND
<6> Body GND
<33> Body GND
Pin No. Connector Name (- terminal side)
– Engine ECU relay
– Engine ECU relay
<5> Engine ECU
<5> Engine ECU
<2> Engine ECU
<6> Engine (signal)
<7> Engine (signal)
<13> Engine ECU
<9> Engine ECU
1. Delete failure record
1. While in the service/dealer mode, select Delete Fail Record and
delete the record.
2. After deleting the record, start the engine again and check to
make sure the warning is not shown on the meter panel.
(1) No Fail Record
4-S93
ELECTRICAL SYSTEM
Pin No.
–
–
–
RY9212148ELS0184US0
Pin No.
<1>
<3>
<5>
<6>
<33>
<9>
<13>
<39>
<38>
RY9212148ELS0185US0
RY9212148ELS0148US0
KiSC issued 08, 2015 A