TM 10-3930-675-24-1
ENGINE TEMPERATURE SENSORS AND CIRCUITS TROUBLESHOOTING - CONTINUED
0021 00
Table 5. Error Code 1154 - Intake Air Temperature
Sensor Circuit Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1154 - Intake Air Temperature Sensor 4. Place ignition switch in OFF
Circuit Failure - Continued.
position and disconnect sensor
harness from intake air
temperature sensor.
5. Measure resistance from pin A If resistance is not as specified,
of intake air temperature replace intake air temperature
sensor to engine block ground. sensor (WP 0094 00).
than 100k Ohms.
>100K Ohms
USE TEST LEAD KIT P/N 3822758
6. Place ignition switch in OFF
position and disconnect sensor
harness from engine ECU.
a. Inspect sensor harness and Clean and repair connector(s) as
engine ECU connectors for required (WP 0113 00).
dirty,
corroded,
bent,
broken, and pushed back or
extended pins.
b. Check sensor harness and
Remove dirt and moisture from
engine ECU for dirt or
connector. Replace missing or
moisture in or on connectors
damaged connector seals (WP
and for missing or damaged
0113 00).
connector seals.
0021 00-15