STATUS
CODE
DISPLAY MESSAGE RECOVERY METHOD CIRCUIT
65527-5
(cont)
65527 Re-key only Pump
Node 5
DESCRIPTION BEHAVIOR
CAN messages are not being received from other
nodes - (Pump Node 5)
If from Pump, Hydraulic motor stops, all valves
closed, Limited Traction to Mode 1
Probable Causes and Test Procedures
5. Verify CAN communication lines:
a. Check continuity from Pin 2 (Wire 900) to Diagnostic connector Pin B.
b. Check continuity from Pin 2 (Wire 900) to RH Traction Pin B.
c. Check continuity from Pin 3 (Wire 901) to Diagnostic connector Pin A.
d. Check continuity from Pin 3 (Wire 901) to RH Traction Pin 28.
YES- No wiring fault found, controller at fault, contact Service Engineering.
NO- Determine location and repair fault in associated wire.
6. Check for CANbus Short Circuit(s):
a. Disconnect the Battery cable to truck.
b. At the CANbus diagnostic connector ensure:
• Across Pin A & Pin B = 60 Ohms +/-10%
• Across Pin A & Pin C = >47 kOhms
• Across Pin B & Pin C = >47 kOhms
YES- Controller is suspect and likely damaged, contact Service Engineering
NO- Using the CANbus diagram, go point to point to find where in the harness the fault has
occurred, and repair or replace harness.
2200 YRM 1415 Troubleshooting
121
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