TM 5-3805-298-23-1
0070
Table 1. 2771 Throttle Hold Set/Accel Switch Diagnostic Codes - Continued.
070
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
2. Disconnect connector EN-C8
2771-4 Throttle Lock Set/
Accel Switch Voltage Below
Normal - Continued
Figure 23).
(WP 0174), test for continuity
harness (WP 0291).
between connector C-C19
Proceed to Test Step 5.
No Continuity - Proceed to Test Step 4.
and ground.
Test Step 4. Test for Shorted Engine
Wiring Harness.
1. Remove right engine access panel
(WP 0348).
2. Disconnect connector EN-C1
ECM J2.
(WP 0174), test for continuity
harness (WP 0299).
between connector EN-C1
Proceed to Test Step 5.
No Continuity - Replace engine ECM
and ground.
(WP 0265).
Proceed to Test Step 5.
Test Step 5. Verify Malfunction Is
Resolved.
1. Ensure all wiring harness
connectors are connected.
2. Ensure right engine access panel
is installed (WP 0348).
3. Ensure right lower cab access
panels are installed (WP 0347).
4. Ensure console instrument panel
is installed (WP 0264).
5. Start engine (TM 5-3805-298-10).
6. At MSD, check for active
Diagnostic Code 2771-4 Throttle
Lock Set/Accel Switch Voltage Below
Normal Becomes Inactive -
Troubleshooting complete.
Diagnostic Code 2771-4 Throttle
Lock Set/Accel Switch Voltage Below
Normal Remains Active - Repeat
troubleshooting from the beginning.
END OF WORK PACKAGE
0070-6