TM 5-3805-298-23-1
0109
Table 1. 1251 Alternator R - Terminal Diagnostic Codes - Continued.
0109
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 5. Test Engine Wiring
1251-8 Alternator R
Abnormal Frequency, Pulse Harness for Short.
Width, or Period - Continued 1. Remove jumper wire from wiring
harness connector terminal R and
ground of alternator
(WP 0012, Figure 92).
2. Remove right lower cab access
panels (WP 0347).
3. Disconnect connector EN-C2
(WP 0012, Figure 12) from
connector C-C18 (WP 0012,
Figure 13).
4. Using digital multimeter
Continuity Replace engine wiring
(WP 0174), test for continuity
harness (WP 0299).
between connector EN-C2
Proceed to Test Step 7.
(WP 0012, Figure 12) terminal 3
No Continuity Proceed to Test
and all other EN-C2 terminals.
Step 5.
Test Step 6. Test Lower Cab Wiring
Harness for Short.
1. Using digital multimeter
Continuity Replace lower cab wiring
(WP 0174), test for continuity
harness (WP 0291).
between connector C-C13
Proceed to Test Step 7.
(WP 0012, Figure 25) terminal 14
No Continuity Proceed to step 2.
and all other C-C13 terminals.
2. Using digital multimeter
Continuity Replace lower cab wiring
(WP 0174), test for continuity
harness (WP 0291).
between connector C-C18
Proceed to Test Step 7.
(WP 0012, Figure 13) terminal 3
No Continuity Replace transmission
and all other C-C18 terminals.
ECM (WP 0266).
Proceed to Test Step 7.
0109-9
