TM 9-6115-729-24
0013
ELECTRONIC TECHNICIAN (ET) TROUBLESHOOTING - Continued
CORRECTIVE ACTION - Continued
TERMINAL
SIGNAL
(WP 0091, FO-2, Sheet 2)
1
Injector 1 Supply
2
Injector 2 Supply
3
Injector 3 Supply
4
Injector 4 Supply
5
Injector 5 Supply
6
Injector 6 Supply
7
Injector 6 Return
8
Injector 5 Return
9
Injector 4 Return
10
Injector 3 Return
11
Injector 2 Return
12
Injector 1 Return
e. Set Battery Disconnect Switch to ON. Set DEAD CRANK SWITCH to
NORMAL. On EMCP set ENGINE CONTROL switch to COOL
DOWN/STOP.
f.
Using Cat ET, perform the Injector Solenoid Test at least two times.
g. On EMCP set ENGINE CONTROL switch to OFF/RESET. Set Battery
Disconnect Switch to OFF. Set DEAD CRANK SWITCH to OFF. Repeat
this test for each suspect Injector. Ensure that the Injector Solenoid Test is
disabled before handling the jumper wires.
NOTE
The Cat ET may report a SHORT for the injector that shares the supply with the suspect injector.
Disregard the result for this injector.
h. If the Injector Solenoid Test indicates SHORT for the cylinder with the jumper
wire, the ECM and the engine harness are OK. Remove the jumper wire.
Reconnect the connector for the injector harness. Proceed to STEP 11.
