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
3. Using digital multimeter
1841-03 Scraper Park Brake
Continuity Replace main cab wiring
(WP 0540), test for continuity
Pressure Switch Voltage
harness (WP 0505).
between connector W-C1
Above Normal Continued
Proceed to Test Step 13.
terminal 21 (WP 0012, Figure 99)
No Continuity Proceed to step 4.
and all other terminals in
connector W-C1
(WP 0012, Figure 99).
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 13.
terminal 25 (WP 0012, Figure 88)
No Continuity Proceed to step 5.
and all other terminals in
connector W-C12
(WP 0012, Figure 88).
5. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C12
Proceed to Test Step 13.
terminal 25 (WP 0012, Figure 88)
No Continuity Replace transmission/
and all terminals in connector
chassis ECM (WP 0495).
W-C13 (WP 0012, Figure 89).
Proceed to Test Step 13.
Test Step 8. Test Push Frame Wiring
Harness for High Resistance or
Open.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).
2. Connect jumper wire between
terminal A and terminal B of
connector AF-C5
(WP 0012, Figure 170).
3. Disconnect connector AF-C1
(WP 0012, Figure 164) from
connector AE-C2
(WP 0012, Figure 163).
4. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Proceed to Test Step 9.
between connector AF-C1
Resistance Greater Than 5.0 Ohms
terminal 13 and terminal 15
Replace push frame wiring harness
(WP 0012, Figure 164).
(WP 0347).
Proceed to Test Step 13.
Test Step 9. Test Draft Frame and
Bowl Side Wiring Harness for High
Resistance or Open.
1. Remove jumper wire from terminal
A and terminal B of connector
AF-C5 (WP 0012, Figure 170).
0092-6