TM 5-2420-231-23-1
0061
Table 1. 4-Wheel Drive (4WD) Does Not Engage - Continued.
061
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4-Wheel Drive (4WD) Does
Test Step 10. Test 4WD Switch
Not Engage - Continued
Voltage Supply and Input Circuits for
a Short.
1. Remove two screws (Figure 7,
Item 5) from bezel (Figure 7, Item
2).
2. Pull bezel (Figure 7, Item 2) away
from side console (Figure 7, Item
1).
3. Disconnect side console wiring
harness connector (Figure 7, Item
4) (WP 0007, Figure 198) from
4WD switch (Figure 7, Item 3) (WP
0007, Figure 199).
4. Using digital multimeter, test for
Continuity - Install new 4WD fuse
continuity between side console
(TM 5-2420-231-10).
wiring harness connector (WP
Proceed to Test Step 14.
0007, Figure 198) terminal 2 and
No Continuity - Proceed to step 5.
machine ground. There should be
no continuity.
5. Using digital multimeter, test for
Continuity - Install new 4WD fuse
continuity between side console
(TM 5-2420-231-10).
wiring harness connector (WP
Proceed to Test Step 11.
0007, Figure 198) terminal 1 and
No Continuity - Connect side console
machine ground. There should be
wiring harness (Figure 7, Item 4) (WP
no continuity.
0007, Figure 198) to 4WD switch
(Figure 7, Item 3) (WP 0007, Figure
199).
Position bezel (Figure 7, Item 2) on side
console (Figure 7, Item 1) and install to
screws (Figure 7, Item 5).
Install new 4WD fuse (TM 5-2420-231-
10).
Replace transmission controller (WP
0168).
Proceed to Test Step 22.
Test Step 11. Test Side Console
Wiring Harness 4WD Input Circuit for
a Short.
1. Remove front instrument panel
right-side cover (WP 0176) and
disconnect side console wiring
harness (WP 0007, Figure 24)
from main chassis wiring harness
(WP 0007, Figure 25) (WP 0170).
0061-10