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
Test Step 25. Test Chassis Wiring
Service or Parking Brakes
Harness for High Resistance or
Do Not Release Correctly -
Open.
Continued
1. Remove jumper wire from
terminal 20 and terminal 22
of connector E-C2
(WP 0012, Figure 143).
2. Connect jumper wire between
terminal 16 and terminal 17
of connector J-C6
(WP 0012, Figure 141).
3. Disconnect connector J-C8
(WP 0012, Figure 100)
from connector W-C1
(WP 0012, Figure 99).
4. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Proceed to Test Step 26.
between connector J-C8
Resistance Greater Than 5.0 Ohms
terminal 5 and terminal 21
Replace chassis wiring harness
(WP 0012, Figure 100).
(WP 0305).
Proceed to Test Step 29.
Test Step 26. 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 5 and terminal 21
of connector W-C1
(WP 0012, Figure 99).
4. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Proceed to step 5.
between connector W-C12
Resistance Greater Than 5.0 Ohms
terminal 9 and terminal 25
Replace main cab wiring harness
(WP 0012, Figure 88).
(WP 0505).
Proceed to Test Step 29.
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 29.
(WP 0012, Figure 88).
Resistance Greater Than 5.0 Ohms
Replace main cab wiring harness
(WP 0505).
Proceed to Test Step 29.
0114-26