TM 10-3930-675-24-1
ENGINE ELECTRONIC CONTROL UNIT (ECU) (794) TROUBLESHOOTING
THIS WORK PACKAGE COVERS
Error Code 1352 - Sensor Voltage Supply Failure
Error Code 1187 - Sensor Voltage Supply Failure
Error Code 1227 - Sensor Voltage Supply Failure
Error Code 1443 - Low Voltage Detected at Throttle
Error Code 1287 - Sensor Voltage Supply Failure
Position Sensor Circuit
INITIAL SETUP
References
Tools and Special Tools
TM 10-3930-675-10
Test Lead, Female (Item 121, WP 0289 00)
Test Lead, Male (Item 124, WP 0289 00)
NOTE
Refer to WP 0004 00 for additional troubleshooting guidance, information, and illustrations that
locate critical components.
Refer also to illustrations at end of work package for component location.
Table 1. Error Code 1187 - Sensor Voltage Supply Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1187 - Sensor Voltage Supply Failure. 1. Disconnect sensor harness
from oil pressure/temperature
sensor (WP 0094 00).
2. Place ignition switch in ON
position.
