New Holland CX720 Repair Manual page 2415

B. If any resistor circuit is found to be open or out of range, replace Gear Select Switch S-24. Continue
troubleshooting at Step 6.
4. Verify circuit 391 yellow is good. Measure the continuity between RHM X027 pin 11 and Gear Select Switch
S-24 connector X048 (harness side) pin C.
A. If the circuit tests good, continue troubleshooting at Step 5.
B. If the circuit is open, locate and repair the open. Continue troubleshooting at Step 6.
5. Verify the RHM is good. Observe the "Gear Select Input" voltage on the Infoview monitor.
A. If the Gear Select Input voltage is still out of range, reload the system software to see if the fault code
clears. If the fault is still present after reloading the software, replace the RHM. Continue troubleshooting
at Step 6.
B. If the fault is still present after replacing the RHM, continue troubleshooting at Step 6.
6. Visually inspect the harness and connectors for damage, bent or dislocated pins, broken or pinched wires.
A. Repair any damage found during visual inspection.
B. If no damage is found, erase the fault code and continue operation.
Series 1348 and above
Wiring harness - Electrical schematic frame 07 (A.30.A.88-C.20.E.07)
Series 1206-1347
Wiring harness - Electrical schematic frame 28 (A.30.A.88-C.20.E.28)
POWER TRAIN - TRANSMISSION Mechanical
2 4/7/2006
C.20.B / 77