Shut-Off Excess Voltage, Shorted To High Source - New Holland CX720 Repair Manual

0437.3-SHUT-OFF EXCESS VOLTAGE, SHORTED TO HIGH SOURCE

(SERVICE TOOL FAULT CODE 163) (B.20.A.92 - G.30.B.54)
CX840
0437.3 - SHUT-OFF EXCESS VOLTAGE, SHORTED TO HIGH SOURCE (SERVICE TOOL FAULT CODE 163)
Context:
Engine Disabled - fuel pump shut off
Cause:
+5 Volts monitoring over voltage
Possible failure modes:
1. Faulty fuel injection pump assembly
Solution:
1. Replace fuel injection pump
A. NOTE : Prior to replacing the fuel injection pump inspect the connector, X203, to the pump and ensure the
fit is good and that there is no pin damage within the connector.
POWER PRODUCTION - FUEL AND INJECTION SYSTEM
2 4/7/2006
B.20.A / 160