TM 5-3805-294-23-1
0081
Control Unit Response
The ECU will attempt to control the engine in a normal manner.
TROUBLESHOOTING PROCEDURE
Table 1. DTC 654.05 - Injector #4 Circuit Has High Resistance.
Test or Inspection
Corrective Action
Malfunction
1.
Verify key switch is in OFF
1.
Engine Wiring
position (TM 5-3805-294-10).
Harness Connector
C01 Has Damage or
(Volume 5, WP 0794)
Loose Sockets.
2.
Disconnect engine wiring
harness connector C01 from
electronic fuel injector harness
connector C01. (Volume 5,
WP 0800, Figure 32)
3.
Visually inspect engine wiring
1.
If damaged or has loose
harness connector C01 for
sockets, replace engine wiring
damage and loose sockets.
harness. (Volume 4,
WP 0510) Restore machine to
original condition and perform
Harness Diagnostic Mode
Test. (Volume 3, WP 0345)
2.
If not damaged and does not
have loose sockets, proceed to
Malfunction 2.
Visually inspect electronic fuel
1.
If damaged or has loose pins,
2.
Electronic Fuel
injector wiring harness
replace electronic fuel injector
Injector Wiring
connector C01 for damage and
wiring harness. (Volume 3,
Harness Connector
loose pins. (Volume 5,
C01 Has Damage or
WP 0409) Restore machine to
Loose Pins.
WP 0800, Figure 32)
original condition and perform
Harness Diagnostic Mode
Test. (Volume 3, WP 0345)
2.
If not damaged and does not
have loose pins, proceed to
Malfunction 3.
Measure resistance (Volume
1.
If less than 2 ohms, proceed to
3.
Open Circuit
Malfunction 5.
Between Electronic
3, WP 0369) between
Fuel Injector
electronic fuel injector harness
2.
If greater than 2 ohms,
Harness Connector
connector C01 pins 9 and 10.
proceed to Malfunction 4.
C01 Pins 9 and 10.
(Volume 5, WP 0800, Figure
32) Note reading.
1.
Remove valve cover. (Volume
4.
#4 Electronic Fuel
Injector Faulty.
3, WP 0453)
0081-2