TM 5-3805-298-23-1
0093
Table 1. 473 Brake Charging Oil Pressure Sensor Diagnostic Codes - Continued.
093
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 4. Test for Shorted Lower
473-4 Brake Charging Oil
Cab Wiring Harness.
Pressure Sensor Voltage Is
Below Normal or Shorted
1. Remove left lower cab access
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 36
No Continuity - Proceed to step 5.
and terminal 21.
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 36
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 transmission ECM cover
(WP 0266).
3. Install left and right lower cab
access panels (WP 0347).
4. Using MSD, check for active
Diagnostic Code 473-4 Brake
diagnostic codes (WP 0008).
Charging Oil Pressure Sensor
Voltage Is Below Normal Becomes
Inactive - Troubleshooting complete.
Diagnostic Code 473-4 Brake
Charging Oil Pressure Sensor
Voltage Is Below Normal Remains
Active - Repeat troubleshooting from
the beginning.
0093-7
