TM 5-2410-240-23-1
0021
Table 2. Cab Troubleshooting With Codes. - Continued.
0021
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
0298-03 Brake Pedal Position Switch
2. Disconnect harness connec-
Voltage Above Normal - Continued
tor C-C47 (WP 0018, Figure
35) from service brake switch
(WP 0018, Figure 52). Refer
to Service Brake Control Ser-
vice (WP 0242).
3. Using digital multimeter, test
Continuity Check Does Not
service brake switch (WP
Agree With Expected Results -
0018, Figure 52) for continuity
Switch is faulty. Replace service
(WP 0283) between the fol-
brake switch (WP 0242). Ensure
lowing switch terminals:
all harness connectors are recon-
a. Switch terminal 1 and
nected. Verify proper operation of
terminal 2. Refer to Table
machine (TM 5-2410-240-10).
4 for results.
Continuity Check Agrees With
b. Switch terminal 1 and ter-
Expected Results - Proceed to
minal 3. Refer to Table 4
step 4.
for results.
Table 4. Service Brake Switch Position Table.
0021
Expected Results
Switch
Switch
Activation
Position
Terminal 1 and Terminal 2
Terminal 1 and Terminal 3
Released
Up
No Continuity (open)
Continuity (closed)
Depressed
Down
Continuity (closed)
No Continuity (open)
4. Using digital multimeter, test
No Continuity - Replace lower
for continuity (WP 0283)
cab harness (WP 0228). Ensure all
between harness connector
harness connectors are recon-
C-C47 (WP 0018, Figure 35)
nected. Verify proper operation of
terminal 1 and cab ground.
machine (TM 5-2410-240-10).
Continuity - Proceed to step 5.
5. Disconnect harness connec-
tor C-C12 (WP 0018, Figure
22) from harness connector
PL-C1 (WP 0018, Figure 214).
6. Using digital multimeter, test
No Continuity - Replace lower
for continuity (WP 0283)
cab harness (WP 0228). Ensure all
between harness connector
harness connectors are recon-
C-C47 (WP 0018, Figure 35)
nected. Verify proper operation of
terminal 2 and harness con-
machine (TM 5-2410-240-10).
nector C-C12 (WP 0018,
Continuity - Proceed to step 7.
Figure 22) terminal 37.
