TM 5-3805-291-23-1
TROUBLESHOOTING WITH A DIAGNOSTIC CODE - CONTINUED
0009 00
Table 3. Powertrain Control - Continued.
(MID 081)
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
4. Check CAT Data Link for a short to positive
0596 09 - Continued.
voltage.
(a) Engine start and battery disconnect
switches remain in OFF position (TM
5-3805-291-10).
(b) All modules remain disconnected from
wiring harness.
(c) At wiring harness connector for
1. If resistance is correct, go to Test 5.
powertrain ECM, measure resistance 2. If resistance is not correct, there is a
from contact J1-20 and contact J1-10 to
short in wiring harness between
all possible sources of positive voltage.
connector contact J-20 and circuit with
low resistance measurement or short is
between connector contact J1-10 and
circuit with low resistance
measurement. Replace wiring harness
in question (WP 0195 00 thru WP 0201
00).
3. If conditions are not resolved, replace
powertrain ECM (WP 0063 00).
5. Check CAT Data Link for an open circuit.
(a) Engine start and battery disconnect
switches remain in OFF position (TM
5-3805-291-10).
(b) At powertrain ECM, measure
resistance from contact J1-20 (wire
945-BR) to corresponding contact 5
(wire 945-BR) of Messenger.
(c) At powertrain ECM, measure
1. If CAT Data Link circuit in wiring
resistance from connector contact J1-
harness is correct, exit this procedure
10 (wire 944-OR) to corresponding
and repeat this diagnostic code
connector contact 6 (wire 944-OR) of
procedure. If cause of problem is not
Messenger.
found, replace powertrain ECM (WP
0063 00).
2. If there is an open circuit in wiring
harness, it is in wire (945-BR) or wire
(944-OR) of CAT Data Link. Replace
wiring harness in question (WP 0195 00
thru WP 0201 00).
3. If there is an open circuit in harness, it
is in wire (945-BR) or wire (944-OR) of
CAT Data Link. Replace wiring harness
in question (WP 0195 00 thru WP 0201
00).
0009 00-53
