TM 5-3805-298-23-1
0083
Table 1. 177 Transmission Oil Temperature Sensor Diagnostic Codes - Continued.
083
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 2. Test for Open Lower Cab
177-3 Transmission Oil
Wiring Harness.
Temperature Sensor Voltage
Above Normal - Continued
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Disconnect connector P-C19
(WP 0012, Figure 54) from
transmission oil temperature
sensor.
3. Connect jumper wire between
terminal B and terminal C of
connector P-C19 (WP 0012,
Figure 54).
4. Remove left lower cab access
panels (WP 0347).
5. Remove transmission ECM cover
(WP 0266).
6. Disconnect connector C-C13
(WP 0012, Figure 25) from
Transmission ECM J2.
7. Disconnect connector C-C12
(WP 0012, Figure 26) from
Transmission ECM J1.
8. Using digital multimeter
Resistance 5.0 Ohms or Less -
(WP 0174), measure resistance
Proceed to Test Step 4.
between connector C-C13
Resistance Greater Than 5.0 Ohms -
(WP 0012, Figure 25) terminal 24
Proceed to Test Step 3.
and connector C-C12 (WP 0012,
Figure 26) terminal 45.
Test Step 3. Test for Open
Transmission Wiring Harness.
1. Remove right lower cab access
panels (WP 0347).
2. Disconnect connector P-C1
(WP 0012, Figure 53) from
connector C-C15 (WP 0012,
Figure 52).
3. Using digital multimeter
Resistance 5.0 Ohms or Less -
(WP 0174), measure resistance
Replace lower cab wiring harness
between connector P-C1
(WP 0291).
(WP 0012, Figure 53) terminal 24
Proceed to Test Step 6.
and terminal 21.
Resistance Greater Than 5.0 Ohms -
Replace transmission wiring harness
(WP 0298).
Proceed to Test Step 6.
0083-3