TM 5-3805-298-23-1
0049
Table 1. 91 Throttle Position Sensor Diagnostic Codes - Continued.
049
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
4. Inspect connector C-C8 (WP 0012,
Connector C-C8 Damaged - Replace
91-12 Throttle Position
Figure 14) and throttle position
lower cab wiring harness (WP 0291).
Sensor Is Damaged -
sensor connector for damage IAW
Continued
Proceed to Test Step 14.
Electrical General Maintenance
Throttle Position Sensor Connector
Procedures (WP 0174).
Damaged - Replace governor control
pedal assembly (WP 0226).
Proceed to Test Step 14.
No Problem Found - Proceed to Test
Step 4.
Test Step 4. Test 8 Volt Sensor
Supply, Throttle Signal, and Ground
Circuit Function.
1. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-298-10).
2. Using digital multimeter
Voltage 7.6 to 8.4 V - Proceed to step 3.
(WP 0174), test for voltage
Voltage Less Than 7.6 V - Proceed to
between connector C-C8
Test Step 8.
(WP 0012, Figure 14) terminal A
and ground.
3. Using digital multimeter
Voltage 7.6 to 8.4 V - Proceed to step 4.
(WP 0174), test for voltage
Voltage Less Than 7.6 V - Proceed to
between connector C-C8
Test Step 10.
(WP 0012, Figure 14) terminal A
and terminal B.
4. Using digital multimeter
Voltage 12 to 14 V - Proceed to Test
(WP 0174), test for voltage
Step 5.
between connector C-C8
Voltage Less Than 12 V - Proceed to
(WP 0012, Figure 14) terminal C
Test Step 12.
and ground.
Test Step 5. Inspect Lower Cab
Wiring Harness, Engine Wiring
Harness, and Engine ECM
Connectors.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Disconnect connector EN-C2
(WP 0012, Figure 12) from
connector C-C18 (WP 0012,
Figure 13).
0049-15
