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. Disconnect connector J-C8
1841-03 Scraper Park Brake
(WP 0012, Figure 100) from
Pressure Switch Voltage
connector W-C1
Above Normal Continued
(WP 0012, Figure 99).
4. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Proceed to Test Step 12.
between connector J-C8 terminal 5
Resistance Greater Than 5.0 Ohms
and terminal 21
Replace chassis wiring harness
(WP 0012, Figure 100).
(WP 0305).
Proceed to Test Step 13.
Test Step 12. Test Main Cab Wiring
Harness for High Resistance or
Open.
1. Remove jumper wire from
terminal 16 and terminal 17 of
connector J-C6 (WP 0012,
Figure 141).
2. Disconnect connector W-C12
(WP 0012, Figure 88) from
transmission/chassis ECM.
3. Connect jumper wire between
terminal 9 and terminal 25 of
connector W-C12
(WP 0012, Figure 89).
4. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Proceed to step 5.
between connector W-C1
Resistance Greater Than 5.0 Ohms
terminal 5 and terminal 21
Replace main cab wiring harness
(WP 0012, Figure 99).
(WP 0505).
Proceed to Test Step 13.
5. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Replace transmission/chassis ECM
between connector W-C12
(WP 0495).
terminal 20 and terminal 25
Proceed to Test Step 13.
(WP 0012, Figure 89).
Resistance Greater Than 5.0 Ohms
Replace main cab wiring harness
(WP 0505).
Proceed to Test Step 13.
0092-8