TROUBLESHOOTING WITH A DIAGNOSTIC CODE - CONTINUED
Table 4. Implement Control.
TEST OR INSPECTION
1. Check for correct supply voltage at
(a) Turn battery disconnect and engine
start switches to ON position (TM
1. If voltage is 8.0 + 0.5 DCV, implement
(b) Check voltage at connector of
ECM has failed. Exit and repeat this
implement ECM from contact J1-
procedure. Recheck if diagnostic code is
44 (sensor supply) to contact J1-45
active. If cause of diagnostic code is not
(ground). Do not disconnect wiring
found, replace implement ECM (WP
harness from implement ECM (WP
2. If voltage is greater than 8.0 + 0.5 DCV,
sensor supply voltage is not correct. Go
to Test 2.
2. Check wiring harness for short to
(a) Battery disconnect and engine start
switches remain in ON position
(b) Disconnect wiring harness from
implement ECM (WP 0060 00).
1. If voltage is 0.0 + 0.5 DCV, implement
(c) At wiring harness connector for
ECM has failed. Repeat this procedure.
implement ECM, measure voltage
Also, recheck if diagnostic code is active.
from connector contact J1-44
If cause of diagnostic code is not found,
(sensor supply) to frame ground.
replace implement ECM (WP 0060 00).
2. If voltage is not 0.0 + 0.5 DCV, wiring
harness has failed. Replace wiring
harness in question (WP 0195 00 thru
WP 0201 00).