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
Test Step 2. Check For Other Active
91-8 Throttle Position
Codes.
Sensor Abnormal
Connect MSD. Select C6.6 924 and
Frequency, Pulse Width, or
Diagnostic Code 41-3 8 VDC Supply
check for active diagnostic code
Period - Continued
Voltage Above Normal Active -
0041-03 8 VDC Supply Voltage Above
Diagnose and repair active code
Normal or code 0041-04 8 VDC Supply
Voltage Below Normal (WP 0008).
Diagnostic Code 41-4 8 VDC Supply
Voltage Below Normal Active -
Diagnose and repair active code
Only Diagnostic Code 91-8 Throttle
Position Sensor Abnormal
Frequency, Pulse Width, or Period
Active - Proceed to Test Step 3.
Test Step 3. Inspect Lower Cab
Wiring Harness and Throttle Position
Sensor Connectors.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Remove right lower cab access
panels (WP 0347).
3. Disconnect connector C-C8
(WP 0012, Figure 14) from
governor control pedal assembly.
4. Inspect connector C-C8 (WP 0012,
Connector C-C8 Damaged - Replace
Figure 14) and governor control
lower cab wiring harness (WP 0291).
pedal assembly connector for
Proceed to Test Step 14.
damage IAW Electrical General
Governor Control Pedal Assembly
Maintenance Procedures
Connector Damaged - Replace
(WP 0174).
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.
0049-8