TM 5-3805-298-23-1
0079
Table 1. 41 Eight-Volt Transmission Sensor Power Supply Diagnostic Codes - Continued.
079
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 4. Test for Shorted Lower
41-4 Eight-Volt Sensor
Cab Wiring Harness.
Power Supply Is Below
Normal or the Voltage Is
1. Remove left lower cab access
Shorted Low - Continued
panels (WP 0347).
2. Remove transmission ECM cover
(WP 0266).
3. Disconnect connector C-C12
(WP 0012, Figure 26) from
Transmission ECM J1.
4. Using digital multimeter
Continuity - Replace lower cab wiring
(WP 0174), test for continuity
harness (WP 0291).
between connector C-C12
Proceed to Test Step 5.
(WP 0012, Figure 26) terminal 44
No Continuity - Proceed to step 5.
and terminal 45.
5. Using digital multimeter
Continuity - Replace lower cab wiring
(WP 0174), test for continuity
harness (WP 0291).
between connector C-C12
Proceed to Test Step 5.
(WP 0012, Figure 26) terminal 44
No Continuity - Replace transmission
and ground.
ECM (WP 0266).
Proceed to Test Step 5.
Test Step 5. Verify Malfunction Is
Resolved.
1. Ensure all wiring harness
connectors are connected.
2. Install right lower cab access
panels (WP 0347).
3. Install transmission ECM cover
(WP 0266).
4. Install left lower cab access panels
(WP 0347).
5. At MSD, check for active
Diagnostic Code 41-4 Eight-Volt
diagnostic codes (WP 0008).
Sensor Power Supply Voltage Below
Normal Becomes Inactive -
Troubleshooting complete.
Diagnostic Code 41-4 Eight-Volt
Sensor Power Supply Below Normal
Remains Active - Repeat
troubleshooting from the beginning.
END OF WORK PACKAGE
0079-6
