TM 5-3805-296-23-2
0114
Table 1. Service or Parking Brakes Do Not Release Correctly Continued.
0114
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Using digital multimeter
Service or Parking Brakes
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Do Not Release Correctly -
Proceed to Test Step 18.
between connector J-C8
Continued
Resistance Greater Than 5.0 Ohms
terminal 5 and terminal 13
Replace chassis wiring harness
(WP 0012, Figure 100).
(WP 0305).
Proceed to Test Step 29.
Test Step 18. Test Main Cab Wiring
Harness for High Resistance or
Open
1. Remove jumper wire from
terminal 17 and terminal 18
of connector J-C3
(WP 0012, Figure 101).
2. Disconnect connector W-C12
(WP 0012, Figure 88) from
transmission/chassis ECM.
3. Connect jumper wire between
terminal 20 and terminal 45
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 13
Replace main cab wiring harness
(WP 0012, Figure 99).
(WP 0505).
Proceed to Test Step 29.
5. Remove jumper wire between
terminal 20 and terminal 45
of connector W-C12
(WP 0012, Figure 89).
6. Connect jumper wire between
terminal 9 and terminal 45
of connector W-C12
(WP 0012, Figure 89).
7. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Replace transmission/chassis ECM
between connector W-C1
(WP 0495).
terminal 5 and terminal 13
Proceed to Test Step 29.
(WP 0012, Figure 99).
Resistance Greater Than 5.0 Ohms
Replace main cab wiring harness
(WP 0505).
Proceed to Test Step 29.
0114-18