TROUBLESHOOTING WITH A DIAGNOSTIC CODE - CONTINUED
Table 3. Powertrain Control - Continued.
CID FMI CODE
TEST OR INSPECTION
(2) Measure resistance from contact J1- 1. If resistance is less than 5 Ohms, go to
0562 02 - Continued.
10 (wire 944-OR) of harness con-
nector for powertrain ECM to con- 2. If resistance is greater than 5 Ohms,
tact 66 of harness connector for
CAT Data Link circuit is open in wiring
harness. Replace wiring harness in
question (WP 0195 00 thru WP 0201
6. Check for additional diagnostic codes for
(b) Turn engine start and battery
disconnect switches to OFF position
(c) One at a time, reconnect ECMs that use
CAT Data Link.
(d) Turn battery disconnect and engine
start switches to ON position (TM 5-
(e) After each ECM has been reconnected, 1. If diagnostic codes are not present for
check event list for diagnostic codes
other ECMs in event list, exit this
logged against ECM.
procedure and repeat procedure. If
failure is not found, check +battery
contacts and ground contacts of ECM.
If these contacts are correct, replace
messenger ECM (WP 0056 00).
2. If diagnostic codes are present for other
ECMs in event list, exit this procedure
and repeat this procedure. If failure is
not found, replace powertrain ECM
(WP 0063 00).