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
168-1 Electrical System
Test Step 3. Test ECM Ground
Voltage Low - Continued
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.
8. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0174), measure resistance
Proceed to Test Step 5.
between connector EN-C1
Resistance Greater Than 5.0 Ohms
(WP 0012, Figure 11) terminal 10
Replace engine wiring harness
and ground.
(WP 0299).
Proceed to Test Step 11.
0052-4
