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 2. Test for Faulty Brake
473-4 Brake Charging Oil
Charging Oil Pressure Sensor.
Pressure Sensor Voltage Is
Below Normal or Shorted
1. Turn ignition switch and battery
Low - Continued
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Disconnect connector EN-C7
(WP 0012, Figure 60) from brake
charging oil pressure sensor.
3. Turn battery disconnect switch and
ignition switch ON (TM 5-3805-
298-10).
4. Using MSD, check for active
Diagnostic Code 473-3 Brake
diagnostic codes (WP 0008).
Charging Oil Pressure Sensor
Voltage Is Above Normal Becomes
Active - Replace brake charging oil
pressure sensor (WP 0236).
Proceed to Test Step 5.
Diagnostic Code 473-4 Brake
Charging Oil Pressure Sensor
Voltage Is Below Normal Remains
Active - Proceed to Test Step 3.
Test Step 3. Test for Shorted Engine
Wiring Harness.
1. Remove right lower cab access
panels (WP 0347).
2. Disconnect connector EN-C2
(WP 0012, Figure 12) from
connector C-C18 (WP 0012,
Figure 13).
3. Using digital multimeter
Continuity - Replace engine wiring
(WP 0174), test for continuity
harness (WP 0299).
between connector EN-C2
Proceed to Test Step 5.
(WP 0012, Figure 12) terminal 4
No Continuity - Proceed to step 4.
and terminal 11.
4. Using digital multimeter
Continuity - Replace engine wiring
(WP 0174), test for continuity
harness (WP 0299).
between connector EN-C2
Proceed to Test Step 5.
(WP 0012, Figure 12) terminal 4
No Continuity - Proceed to Test Step 4.
and ground.
0093-6
