TM 5-3805-296-23-1
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Table 1. 0190 Engine Speed Sensor Diagnostic Code Continued.
027
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
4. Connect connector CM-C6
0190-08 Engine Speed
(WP 0012, Figure 20) to
Sensor Abnormal
crankshaft speed timing sensor
Frequency, Pulse Width, or
connector (WP 0012, Figure 19).
Period Continued
5. Disconnect connector CM-C1
(WP 0012, Figure 30) from engine
ECM.
6. Using digital multimeter
Resistance 110 to 200 Ohms
(WP 0540), measure resistance
Replace engine ECM (WP 0252).
between connector CM-C1
Proceed to Test Step 9.
terminal 25 and terminal 35
Resistance Less Than 110 Ohms
(WP 0012, Figure 30).
Replace crankshaft speed timing
sensor (WP 0222).
Proceed to Test Step 9.
Resistance Greater Than 200 Ohms
Replace crankshaft speed timing
sensor (WP 0222).
Proceed to Test Step 9.
Test Step 6. Test for Shorted Basic
Engine Wiring Harness.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).
2. Lower left frame access plate
(WP 0376).
3. Remove four bolts
(Figure 4, Item 1), washers
(Figure 4, Item 2), bushings
(Figure 4, Item 3), and splash
shield (Figure 4, Item 4) from
machine.
Figure 4. Splash Shield and Retaining Hardware.
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