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
Test Step 8. Test Basic Engine
0190-08 Engine Speed
Wiring Harness for High Resistance
Sensor Abnormal
or Open.
Frequency, Pulse Width, or
1. Connect jumper wire between
Period Continued
terminal 1 and terminal 2 of
connector CM-C6
(WP 0012, Figure 20).
2. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Replace engine ECM (WP 0252).
between connector CM-C1
Proceed to Test Step 9.
terminal 25 and terminal 35
Resistance Greater Than 5.0 Ohms
(WP 0012, Figure 30).
Replace basic engine wiring harness
(WP 0251).
Proceed to Test Step 9.
Test Step 9. Verify Malfunction is
Resolved.
1. Ensure all harness connectors are
connected.
2. At MSD, check for active
190-8 Engine Speed Sensor
diagnostic codes (WP 0008).
Abnormal Frequency, Pulse Width,
or Period Becomes Inactive
Proceed to step 3.
190-8 Engine Speed Sensor
Abnormal Frequency, Pulse Width,
or Period Remains Active Repeat
troubleshooting from the beginning.
3. If removed, install splash shield
(Figure 6, Item 4), four bushings
(Figure 6, Item 3), washers
(Figure 6, Item 2), and bolts
(Figure 6, Item 1) on machine.
Figure 6. Splash Shield and Retaining Hardware.
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