DRAFT
TM 5-4210-249-13&P-1
0077
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TFFT04439
Step 10.
Reconnect pump operator's panel wire harness water pump engine ECU wire harness
connector to water pump engine ECU. Disconnect pump operator's panel wire harness
pressure governor 12-terminal wire harness connector. Turn battery disconnect switch
to ON position (WP 0007). Start water pump engine (WP 0022). With a test lead set,
check for 5 VDC at wire 1966 from pressure governor 12-terminal wire harness
connector, terminal 1 to a known good ground.
If 5 VDC are not present, replace water pump engine electronic control
unit (WP 0226).
0077-7