TM 5-3805-296-23-2
0116
Table 1. Throttle Lock Does Not Release Correctly Continued.
0116
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 3. Test Scraper Service
Throttle Lock Does Not
Brake Pressure Switch.
Release Correctly
1. Disconnect connector W-C28
Continued
(WP 0012, Figure 79) from scraper
service brake pressure switch
(WP 0012, Figure 78).
2. Have assistant depress brake
Resistance Greater Than 5.0 Ohms
pedal while using digital multimeter
Proceed to Test Step 4.
(WP 0540), measure resistance
Resistance 5.0 Ohms or Less
between scraper service brake
Replace scraper service brake
pressure switch terminal 1 and
pressure switch (WP 0363). Connect
terminal 2 (WP 0012, Figure 78).
connector W-C27 (WP 0012, Figure 77)
to tractor service brake pressure switch
(WP 0012, Figure 76).
Proceed to Test Step 5.
Test Step 4. Test for Shorted Main
Cab Wiring Harness.
1. Disconnect connector W-C12
(WP 0012, Figure 88) from
transmission/chassis ECM.
2. Using digital multimeter
No Continuity Proceed to step 3.
(WP 0540), test for continuity
Continuity Replace main cab wiring
between connector W-C12,
harness (WP 0505).
terminal 46 (WP 0012, Figure 88)
Proceed to Test Step 5.
and all other terminals in
connector W-C12
(WP 0012, Figure 88).
3. Using digital multimeter
No Continuity Replace transmission/
(WP 0540), test for continuity
chassis ECM (WP 0495).
between connector W-C12,
Proceed to Test Step 5.
terminal 46 (WP 0012, Figure 88)
Continuity Replace main cab wiring
and ground.
harness (WP 0505).
Proceed to Test Step 5.
0116-4