TM 10-3930-675-20-1
0022 00-9
ENGINE PRESSURE SENSOR TROUBLESHOOTING - CONTINUED
0022 00
Table 2. Error Code 1123 - Intake Manifold Pressure Sensor Circuit Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1123 - Intake Manifold Pressure
Sensor Circuit Failure - Continued
5. Disconnect sensor harness
connector from engine ECU
and place ignition switch to
ON position.
If voltage is not as specified,
proceed with the following
steps.
6. Measure voltage from ECU
sensor port connector pin 40
to connector pin 37. Voltage
should be 4.75-5.25V.
a. If engine harness requires
replacement, notify SRA.
b. If voltage is not as specified,
replace engine ECU (WP
0078 00).
40
37
4.75-5.25V
USE TEST LEAD
KIT P/N 3822758