TM 10-3930-675-24-1
ENGINE ELECTRONIC CONTROL UNIT (ECU) (794) TROUBLESHOOTING - CONTINUED
0018 00
Table 1. Error Code 1187 - Sensor Voltage Supply Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1187 - Sensor Voltage Supply Failure
a. Measure resistance from If engine harness requires
sensor harness connector pin replacement, notify Sustainment
- Continued.
18 to all other pins in
Resistance Maintenance.
connector.
should be more than 100k
Ohms.
b. Measure resistance from If engine harness requires
sensor harness connector pin replacement, notify Sustainment
25 to all other pins in
Resistance Maintenance.
connector.
should be more than 100k
Ohms.
c. Measure resistance from If engine harness requires
sensor harness connector pin replacement, notify Sustainment
45 to all other pins in
Resistance Maintenance.
connector.
should be more than 100k
Ohms.
d. Measure resistance from If engine harness requires
actuator harness connector replacement, notify Sustainment
pin 19 to all other pins in
Resistance Maintenance.
connector.
should be more than 100k
Ohms.
e. Measure resistance from If engine harness requires
actuator harness connector replacement, notify Sustainment
pin 29 to all other pins in
Resistance Maintenance.
connector.
should be more than 100k
Ohms.
SENSOR HARNESS:
ACTUATOR HARNESS:
PINS 18,25,45 TO ALL
PINS 19 AND 29 TO ALL
OTHER PINS
OTHER PINS
>100K OHMS
>100K OHMS
USE TEST LEAD KIT P/N 3822758
0018 00-5