TM 5-3805-296-23-1
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Table 1. 0590 Communication Diagnostic Codes Continued.
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CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 8. Test Main Relay Supply
0590-12 Wrong Response
Voltage at Circuit Breaker Panel.
From Engine Control
1. Turn battery disconnect switch and
Module Continued
ignition switch to ON position
(TM 5-3805-296-10).
Voltage 18 to 25 V Proceed to Test
2. Using digital multimeter
Step 9.
(WP 0540), test for voltage
Voltage Less Than 18 V Replace
between circuit breaker F14 left
terminal (Figure 24) and ground.
fuse panel wiring harness (WP 0515).
Proceed to Test Step 20.
Figure 24. Testing Voltage to Circuit Breaker F14.
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