Organizational Troubleshooting (continued)
TEST OR INSPECTION
Lower control panel and disconnect engine harness connector
P2 from ECU. Check engine harness for continuity from P2-C
defective wiring or notify maintenance supervisor.
If wiring is good, reconnect engine harness connectors P2 and
P6. Lockwire connector P6.
LOW OIL PRESSURE SWITCH MALFUNCTION.
If the low oil pressure is suspected of malfunctioning, teat the switch as
a. Disconnect battery.
c. Cut and remove lockwire from low oil pressure switch
Check resistance between pins A and B of low oil pressure
switch. Reading should be 0 ohms. If resistance is greater
The low oil pressure switch should remain closed until engine
oil pressure exceeds 31 psig. Above 31 psig, the switch should
HIGH OIL TEMPERATURE SWITCH MALFUNCTION.
If a high oil temperature (HOT) switch malfunction is suspected, teat the
a. Disconnect battery and lower control panel (paragraph
Disconnect engine harness connector P2 from ECU.