|
| |
TM 9-2320-360-20-1
CONTINUITY TEST
(1)
Disconnect 6-way power
harness connector at ECM.
(2)
Read resistance between socket
C of 6-way power harness
connector to sockets A, B, C, D,
E, G, H, J, K, and L on injector
harness connectors.
INJECTOR DRIVE PULSE TEST
(1)
Turn ENGINE switch OFF.
(2)
Reconnect all ECM connectors.
(3)
Remove rocker arm cover(s) (para 3-2).
(4)
Disconnect return wire one injector (return wire
#619 or #620).
(5)
Place a 6-volt test light across injector return side
(where wire was just removed) and a good
ground.
(6)
Crank engine and note both test light and
whether start of plunger motion coincides with
light.
(7)
Reconnect return wire
(8)
Repeat steps 2 through 8 with all other injectors
until all have been tested or until one test falls. If
light and start of plunger motion do not coincide,
a mechanical timing adjustment may be required
(see engine maintenance)
2-303
|
