TM 5-3895-385-23-1
0219
Table 1. Keyless Engine Switch Malfunction Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
7. Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) between post 3 and
ignition switch wiring harness
4 on the left pedestal
(WP 0383, Vol 2).
EMERGENCY STOP switch
(WP 0447, Vol 3, Figure 12).
2. If no continuity is present,
replace EMERGENCY STOP
switch (WP 0264, Vol 2).
8. Disconnect W1 J30 (WP 0451,
Vol 3, Figure 6).
9. Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) between W1 J30
left pedestal wiring harness (WP
pin 1 and 2 (WP 0451, Vol 3,
0374, Vol 2).
Figure 6).
2. If no continuity is present,
proceed to next test.
10.Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) between W9 J5 pin
main wiring harness (WP 0373,
1 and 2 (WP 0451, Vol 3, Figure
Vol 2).
26).
2. If no continuity is present,
proceed to next test.
11.Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) between post 1 and
right pedestal wiring harness
2 on the right pedestal
(WP 0375, Vol 2).
EMERGENCY STOP switch
(WP 0447, Vol 3, Figure 17).
2. If no continuity is present,
replace EMERGENCY STOP
switch (WP 0264, Vol 2,).
3. Keyless engine switch
1. Turn keyless engine switch to
malfunction.
the AUX position (TM 5-3895-
385-10), but do not start engine.
2. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 22
3) post AC on the keyless
VDC, proceed to next test.
engine switch (WP 0447, Vol 3,
Figure 21) and known good
ground.
0219-4