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 Engine
473-3 Brake Charging Oil
Wiring Harness.
Pressure Sensor Voltage Is
Above Normal or Shorted
1. Remove jumper wire from terminal
High - Continued
C and terminal B of connector EN-
2. Remove right lower cab access
panels (WP 0347).
3. Disconnect connector EN-C2
Figure 13).
Continuity - Replace engine wiring
(WP 0174), test for continuity
harness (WP 0299).
between connector EN-C2
Proceed to Test Step 6.
No Continuity - Proceed to Test Step 5.
and all other EN-C2 terminals.
Test Step 5. Test for Shorted Lower
Cab Wiring Harness.
(WP 0174), test for continuity
harness (WP 0291).
between connector C-C18
Proceed to Test Step 6.
No Continuity - Proceed to step 2.
and all other C-C18 terminals.
(WP 0174), test for continuity
harness (WP 0291).
between connector C-C12
Proceed to Test Step 6.
No Continuity - Replace transmission
and all other C-C12 terminals.
ECM (WP 0266).
Proceed to Test Step 6.
Test Step 6. Verify Malfunction Is
Resolved.
1. Ensure all 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 473-3 Brake
Charging Oil Pressure Sensor
Voltage Is Above Normal Becomes
Inactive - Troubleshooting complete.
Diagnostic Code 473-3 Brake
Charging Oil Pressure Sensor
Voltage Is Above Normal Remains
Active - Repeat troubleshooting from
the beginning.
0093-4