TM 10-3930-675-24-1
TROUBLESHOOTING PROCEDURES (NON-ERROR CODE) - CONTINUED
0007 00
Table 1. Engine Troubleshooting Procedures (Non-Error Code) - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Engine Will Not Crank - Continued.
c. If no continuity, access the
ignition switch in the driver's
console. Check ignition switch
for damage and continuity and
check continuity of wires 82,
83, and A27 (WP 0048 00-31).
d. Replace damaged or faulty
ignition switch (WP 0073 00).
e. Repair or replace damaged
wires or connectors (WP 0113
00).
8. Check voltage (24V) at XK12 a. If voltage (24V) is not found,
pin 4 while turning the ignition
check voltage (24V) at XK2
pin 2 (WP 0048 00-31), X28
switch to crank.
pins 4, 9, and 7 (WP 0048 00-
35) with ignition switch on.
b. Unplug X28 and check
continuity of shift lever at the
loose part of X28 between pin
9 and 7 with the shift lever in
Neutral (WP 0048 00-35).
c. Check continuity of wires 287,
289, and A22 (WP 0048 00-
35).
d. Replace damaged or faulty
shift lever (WP 0114 00).
e. Repair or replace damaged
wires or connectors (WP 0113
00).
9. Test relays. Remove relays
a. Replace shorted, open, or
330 and 330-1 and test (WP
damaged relay (WP 0074 00).
0113 00). With the relays
b. Replace any damaged or burnt
removed, check continuity
relay boards (WP 0074 00).
between: XK2 pin 7 and 330
c. Check continuity of wires A21,
pin 30, XK2 pin 1 and 330 pin
A171, 171, and W12 (WP
87, XK2 pin 2 and 330 pin 86,
0048 00-31).
XK2 pin 5 and 330 pin 85,
d. Repair or replace damaged
XK12 pin 7 and 330-1 pin 30,
wires or connectors (WP 0113
XK12 pin 4 and 330-1 pin 87a,
00).
and XK12 pin 2 and 330-1 pin
86, and XK12 pin 5 and 330-1
pin 85 (WP 0048 00-31).
0007 00-3
