TM 5-3805-296-23-1
0020
Table 1. 0091 Throttle Position Sensor Diagnostic Code Continued.
020
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
3. At MSD, check for active
91-8 Throttle Position Sensor
0091-08 Throttle Position
Abnormal Frequency, Pulse Width,
diagnostic codes (WP 0008).
Sensor Abnormal
or Period Becomes Inactive
Frequency, Pulse Width, or
Proceed to Test Step 14.
Period Continued
91-8 Throttle Position Sensor
Abnormal Frequency, Pulse Width,
or Period Remains Active Replace
engine ECM (WP 0252).
Proceed to Test Step 14.
Test Step 8. Test Main Cab Wiring
Harness for High Resistance or
Open.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).
2. Disconnect connector W-C16
(WP 0012, Figure 87)
from connector CL-C3
(WP 0012, Figure 86).
3. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Proceed to Test Step 9.
between connector W-C30
Resistance Greater Than 5.0 Ohms
terminal A (WP 0012, Figure 81)
Replace main cab wiring harness
and connector W-C16 terminal 28
(WP 0505).
(WP 0012, Figure 87).
Proceed to Test Step 14.
0020-7
