TM 5-3805-294-23-1
0120
Table 1. Engine Misfires - Runs Irregularly - Continued.
Test or Inspection
Corrective Action
Malfunction
1.
Disconnect engine wiring
17.
Check For High-
harness connector X02 from
Pressure Fuel
high-pressure fuel pump
Pump Position
position sensor. (Volume 5,
Pattern Problem.
WP 0800, Figure 83)
2.
Turn key switch to ON position;
START ENGINE (TM
5-3805-294-10). (Volume 5,
WP 0794)
3.
Operate engine at speed and
load where problem occurs
(TM 5-3805-294-10). (Volume
5, WP 0794) Note engine
performance.
4.
Shut down engine and turn key
switch to OFF position (TM
5-3805-294-10). (Volume 5,
WP 0794)
5.
Reconnect engine wiring
1.
If engine performance was
harness connector X02 to
restored, discontinue this
high-pressure fuel pump
troubleshooting procedure and
position sensor. (Volume 5,
perform procedure for DTC
WP 0800, Figure 83)
636.02 (WP 0052) as though
DTC was active.
2.
If engine performance was not
restored, proceed to
Malfunction 18.
1.
Replace ECU. (Volume 4,
18.
ECU Faulty.
WP 0508)
2.
Turn key switch to ON position;
START ENGINE (TM
5-3805-294-10). (Volume 5,
WP 0794)
3.
Operate engine at speed and
load where problem occurred
(TM 5-3805-294-10). (Volume
5, WP 0794) Note engine
performance.
0120-10