TM 5-3895-385-23-1
0219
Table 1. Keyless Engine Switch Malfunction Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. EMERGENCY STOP circuit
1. Ensure the EMERGENCY STOP
open.
switches are pulled out in the
active position (TM 5-3895-385-
10).
2. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between post AC
to next test.
on the keyless engine switch
(WP 0447, Vol 3, Figure 21) and
ignition switch wiring harness
W5 J1 Pin 2 (WP 0451, Vol 3,
Figure 19).
2. If no continuity is present,
proceed to test 4.
3. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between post AC
to next malfunction.
on the keyless engine switch
(WP 0447, Vol 3, Figure 21) and
ignition switch wiring harness
W5 J1 Pin 3 (WP 0451, Vol 3,
Figure 19).
2. If no continuity is present,
replace ignition switch wiring
harness (WP 0383, Vol 2).
4. Locate W12 J1 (WP 0374, Vol
2).
5. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between W12 J1
to next test.
pin 1 and 2 (WP 0451, Vol 3,
Figure 31) while W12 J1 is still
connected.
2. If no continuity is present,
proceed to test 9.
6. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between post 1 and
to next test.
2 on the left pedestal
EMERGENCY STOP switch
(WP 0447, Vol 3, Figure 12).
2. If no continuity is present,
replace EMERGENCY STOP
switch (WP 0264, Vol 2).
0219-3