TM 5-3805-298-23-1
0052
Table 1. 168 Electrical System Voltage Diagnostic Codes - Continued.
052
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
2. Perform battery testing on each
All Batteries Test Good Proceed to
168-2 Electrical System
battery (WP 0165).
Test Step 2.
Voltage Erratic, Intermittent,
or Incorrect - Continued
One or More Batteries Fail Testing
Replace all batteries that failed testing
(WP 0281).
Proceed to Test Step 11.
Alternator Tests Good Proceed to
Test Step 2. Test Charging System.
Perform Charging System Test
Test Step 3.
(WP 0165).
Alternator Fails Testing Replace
alternator (WP 0238).
Proceed to Test Step 11.
Test Step 3. Test ECM Ground
Connections for High Resistance or
Open.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Remove right engine access panel
(WP 0348).
3. Disconnect connector EN-C1
(WP 0012, Figure 11) from engine
ECM connector J1.
4. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0174), measure resistance
Proceed to step 5.
between connector EN-C1
Resistance Greater Than 5.0 Ohms
(WP 0012, Figure 11) terminal 1
Proceed to Test Step 4.
and ground.
5. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0174), measure resistance
Proceed to step 6.
between connector EN-C1
Resistance Greater Than 5.0 Ohms
(WP 0012, Figure 11) terminal 2
Replace engine wiring harness
and ground.
(WP 0299).
Proceed to Test Step 11.
6. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0174), measure resistance
Proceed to step 7.
between connector EN-C1
Resistance Greater Than 5.0 Ohms
(WP 0012, Figure 11) terminal 3
Replace engine wiring harness
and ground.
(WP 0299).
Proceed to Test Step 11.
7. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0174), measure resistance
Proceed to step 8.
between connector EN-C1
Resistance Greater Than 5.0 Ohms
(WP 0012, Figure 11) terminal 9
Replace engine wiring harness
and ground.
(WP 0299).
Proceed to Test Step 11.
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