TM 5-3805-298-23-1
0069
Table 1. 2770 Throttle Hold Resume/Decel Switch Diagnostic Codes.
0069
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
2770-3 Throttle Lock
Resume/Decel Switch
Always inspect wiring harness connectors that are involved in the circuit.
Voltage Above Normal
Poor connections can often be the cause of a problem in an electrical
circuit. Verify that all connections in the circuit are clean and secure and
that all connections are in good condition. If a problem with the
connection is found, correct the problem and verify that this malfunction
or diagnostic code is active before performing this procedure.
Perform open or short-circuit test at each wiring harness connection to
identify the correct wiring harness to replace.
Tag all wiring harnesses to aid in installation.
Perform this test only if condition is active.
DIAGNOSTIC CODE SET CONDITION
Engine ECM detects a short to voltage in the throttle hold resume/decel circuit.
POSSIBLE CAUSE
Throttle lock enable switch is faulty.
Engine wiring harness is shorted.
Lower cab wiring harness is shorted.
Engine ECM.
Test Step 1. Check for Active
Diagnostic Codes.
1. Connect MSD and select C6.6 924
2. Start engine or attempt to start
Diagnostic Code 2770-3 Active -
engine and activate throttle lock
Proceed to Test Step 2.
set/resume switch (TM 5-3805-
Diagnostic Code 2770-3 Not Active -
298-10) while using MSD to check
Troubleshooting is complete.
for active diagnostic codes
Test Step 2. Test for Faulty Throttle
Lock Set/Resume Switch.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Remove console instrument panel
for access to wiring harness
connectors (WP 0264).
