TM 5-3805-298-23-1
0066
Table 1. 1834 Ignition Key Switch Circuit Diagnostic Codes - Continued.
066
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
11. Using a digital multimeter
Resistance 5.0 Ohms or Less - Install
1834-2 Ignition Key Switch
(WP 0174), measure resistance
Monitoring/Key fuse (TM 5-3805-298-
Circuit Voltage Erratic,
between fuse terminals.
10).
Intermittent, or Incorrect -
Continued
Proceed to step 12.
Resistance More Than 5.0 Ohms -
Install new Monitoring/Key fuse
(TM 5-3805-298-10).
Proceed to Test Step 6.
12. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-298-10).
13. Activate the fuel prime pump
switch for at least 30 seconds
(TM 5-3805-298-10).
14. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
15. Remove Monitoring/Key fuse from
fuse panel (TM 5-3805-298-10).
16. Using a digital multimeter
Resistance 5.0 Ohms or Less -
(WP 0174), measure resistance
Proceed to Test Step 7.
between fuse terminals.
Resistance More Than 5.0 Ohms -
Proceed to Test Step 8.
Test Step 3. Test for Battery Voltage
at Ignition Switch.
1. Disconnect connector C-C61
(WP 0012, Figure 36) from ignition
switch (WP 0254).
2. Turn battery disconnect switch to
ON position (TM 5-3805-298-10).
3. Using a digital multimeter
Voltage 18 to 26 V - Proceed to Test
(WP 0174), test for voltage
Step 4.
between C-C61 (WP 0012,
Voltage Less Than 18 V - Replace
Figure 36) terminal 4 and machine
lower cab wiring harness (WP 0291).
ground.
Proceed to Test Step 9.
0066-4
