TROUBLESHOOTING WITH A DIAGNOSTIC CODE - CONTINUED
Table 3. Powertrain Control - Continued.
CID FMI CODE
TEST OR INSPECTION
(2) Measure resistance between connec- 1. If resistance is less than 5 Ohms, go to
0596 02 - Continued.
tor contact J1-20 (wire 945-BR) of
powertrain ECM and connector con- 2. If resistance is greater than 5 Ohms,
tact J1-20 (wire 945-BR) of imple-
CAT Data Link circuit is open in
powertrain wiring harness. Replace
powertrain wiring harness in question
(WP 0195 00 thru WP 0201 00).
6. Check for additional diagnostic codes for
(a) Reconnect all ECMs that use CAT Data
(b) Turn battery disconnect and engine
start switches to ON position (TM 5-
(c) After each ECM has been reconnected, 1. If diagnostic codes are not present for
check for diagnostic codes logged
other ECMs, exit this procedure and
repeat this procedure. If failure is not
found, replace implement ECM (WP
2. If diagnostic codes are present for other
ECMs, exit this procedure and repeat
this procedure. If failure is not found,
replace powertrain ECM (WP 0063 00).