TM 5-3805-296-23-2
0087
Table 1. 1432 Tractor Parking Brake Solenoid Valve Diagnostic Codes Continued.
087
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
1432-05 Tractor Parking
3. At MSD, check for active
1432-5 Tractor Parking Brake
Brake Solenoid Current
diagnostic codes (WP 0008).
Solenoid Current Below Normal
Becomes Inactive Proceed to step 4.
Below Normal Continued
1432-5 Tractor Parking Brake
Solenoid Current Below Normal
Remains Active Repeat
troubleshooting from the beginning.
4. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).
5. Install left frame access plate
(WP 0376).
6. Troubleshooting complete.
NOTE
1432-06 Tractor Parking
Brake Solenoid Short to
Always inspect harness connectors that are involved in the circuit. Poor
Ground
connections can often be the cause of a problem in an electrical circuit.
Verify that all connections in the circuit are clean and secure and that all
connections are in good condition. If a problem with the connection is
found, correct the problem and verify that this malfunction or diagnostic
code is active before performing this procedure.
Perform open or short-circuit test at each harness connection to identify
the correct harness to replace.
Tag all wiring harnesses to aid in installation.
Perform this test only if condition is active.
DIAGNOSTIC CODE SET CONDITION
Transmission/Chassis ECM Detects Above Normal Current on Tractor Park
Brake Solenoid Circuit A958.
POSSIBLE CAUSE
Main Cab Wiring Harness Shorted.
Tractor Brake Solenoid.
Transmission/Chassis ECM.
Test Step 1. Test for Shorted Tractor
Brake Solenoid.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).
2. Disconnect connector W-C23
(WP 0012, Figure 83) from tractor
brake solenoid connector
(WP 0012, Figure 82).
3. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-296-10).
0087-5