TM 5-3805-296-23-2
0092
Table 1. 1841 Scraper Parking Brake Pressure Switch Diagnostic Codes Continued.
092
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
4. Using digital multimeter
1841-04 Scraper Park Brake
Continuity Replace hitch wiring
(WP 0540), test for continuity
Pressure Switch Voltage
harness (WP 0401).
between connector E-C3
Below Normal Continued
Proceed to Test Step 7.
terminal 17 (WP 0012, Figure 142)
No Continuity Proceed to Test
and ground.
Step 5.
Test Step 5. Test for Shorted Chassis
Wiring Harness.
1. Disconnect connector J-C8
(WP 0012, Figure 100) from
connector W-C1
(WP 0012, Figure 99).
2. Using digital multimeter
Continuity Replace chassis wiring
(WP 0540), test for continuity
harness (WP 0305).
between connector J-C6
Proceed to Test Step 7.
terminal 17 (WP 0012, Figure 141)
No Continuity Proceed to step 3.
and all other terminals in
connector J-C6
(WP 0012, Figure 141).
3. Using digital multimeter
Continuity Replace chassis wiring
(WP 0540), test for continuity
harness (WP 0305).
between connector J-C8
Proceed to Test Step 7.
terminal 21 (WP 0012, Figure 100)
No Continuity Proceed to step 4.
and all other terminals in
connector J-C8
(WP 0012, Figure 100).
4. Using digital multimeter
Continuity Replace chassis wiring
(WP 0540), test for continuity
harness (WP 0305).
between connector J-C8
Proceed to Test Step 7.
terminal 21 (WP 0012, Figure 100)
No Continuity Proceed to Test
and ground.
Step 6.
Test Step 6. Test for Shorted Main
Cab Wiring Harness.
1. Disconnect connector W-C12
(WP 0012, Figure 88) from
transmission/chassis ECM.
2. Disconnect connector W-C13
(WP 0012, Figure 89) from
transmission/chassis ECM.
3. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C1
Proceed to Test Step 7.
terminal 21 (WP 0012, Figure 99)
No Continuity Proceed to step 4.
and all other terminals in
connector W-C1
(WP 0012, Figure 99).
0092-13