E0037-04-Ccm1 5V Ref Voltage 3 Shorted To Low Source (A.50.A.91.81 - G.30.B.53) - New Holland CX720 Repair Manual

E0037-04-CCM1 5V Ref Voltage 3 Shorted To Low Source
(A.50.A.91.81 - G.30.B.53)
E0037-04 - CCM1 5V Ref Voltage 3 Shorted To Low Source
Cause:
The circuit is shorted to ground.
Possible failure modes:
1. Circuit wiring shorted to ground.
2. Controller internal failure (internal regulator failure).
Solution:
1. Enter the InfoView Monitor - "Diagnose info" screen.
Select "Supply" sub menu.
Select "CCM1 5 V Ref Voltage 3" and check voltage range.
The proper voltage range is 4.5 - 5.5 volts
A. If the voltage reading is low (less than 4.5 volts) continue with Step 2.
B. If the voltage reading is within the proper limits. Continue the troubleshooting at Step 4.
2. The voltage reading on the InfoView is low. Disconnect the concave position sensor connector X176.
A. If the voltage increases to 4.5 - 5.5 volts the short is in the concave position sensor, or sensor wiring.
Replace the Concave Clearance Motor.
B. If the voltage remains low on InfoView display then continue with Step 3.
3. The voltage reading on the InfoView is low. Disconnect the lateral inclination sensor connector X170.
A. If the voltage increases to 4.5 - 5.5 volts the short is in the lateral inclination sensor, or sensor wiring.
Replace the sensor.
B. If the voltage remains low on InfoView display then the short circuit is somewhere between connectors
X170 and X176 on the main frame harness and connector X019 J2-31 on CCM1 wire 498, 451 or 453
pink.
4. A. Visually inspect harness and connectors for damage, bent or dislocated pins, corroded terminals or broken
wires. If no damage is found erase fault code and continue operation.
Series 1206-1347
Wiring harness - Electrical schematic frame 13 (A.30.A.88-C.20.E.13)
Series 1206-1347
Wiring harness - Electrical schematic frame 14 (A.30.A.88-C.20.E.14)
Series 1348 and above
Wiring harness - Electrical schematic frame 17 (A.30.A.88-C.20.E.17)
Series 1348 and above
Wiring harness - Electrical schematic frame 20 (A.30.A.88-C.20.E.20)
Series 1348 and above
Wiring harness - Electrical schematic frame 26 (A.30.A.88-C.20.E.26)
DISTRIBUTION SYSTEMS - ELECTRONIC SYSTEM
A.50.A / 83
2 4/7/2006