TM 5-3805-296-23-2
0113
Table 1. Parking Brakes Do Not Engage Correctly Continued.
0113
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Using digital multimeter
Parking Brakes Do Not
Continuity Replace main cab wiring
(WP 0540), test for continuity
Engage Correctly
harness (WP 0505).
between connector W-C8
Continued
Proceed to Test Step 15.
terminal 40 (WP 0012, Figure 282)
No Continuity Proceed to step 4.
and ground.
4. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C12
Proceed to Test Step 15.
terminal 44 (WP 0012, Figure 88)
No Continuity Replace transmission/
and all other terminals
chassis ECM (WP 0495).
in connector W-C12
Proceed to Test Step 15.
(WP 0012, Figure 88).
Test Step 15. Verify Malfunction Is
Resolved.
1. Ensure all harness connectors are
connected.
2. Turn battery disconnect switch to
ON position and start engine
(TM 5-3805-296-10).
3. Set park brake switch to engage
(brake on) position
(TM 5-3805-296-10).
4. Idle engine for 20 minutes or until
air pressure gauge reaches normal
operating pressure
(TM 5-3805-296-10).
5. Observe parking brake indicator
Indicator Flashes Proceed to step 6.
(TM 5-3805-296-10).
Indicator Does Not Flash Repeat
troubleshooting from the beginning.
6. At all four wheels, verify brake
All Actuators Extended
actuator (Figure 8, Item 1)
Troubleshooting complete. Remove
is in extended position
wheel chocks (WP 0454).
(Figure 8, Item 2). Same as brake
One or More Actuators Not
applied position noted previously.
Extended Repeat troubleshooting
from the beginning.
0113-12