TM 10-3930-675-20-1
0020 00-15
ENGINE TEMPERATURE SENSORS AND CIRCUITS TROUBLESHOOTING - CONTINUED
0020 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 Circuit Failure - Continued
4. Place ignition switch in OFF
position
and
disconnect
sensor harness from intake air
temperature sensor.
5. Measure resistance from pin
A of intake air temperature
sensor
to
engine
block
ground. Resistance should be
greater than 100k ohms.
If resistance is not as specified,
replace intake air temperature
sensor (WP 0093 00).
6. Place ignition switch in OFF
position
and
disconnect
sensor harness from engine
ECU.
a. Inspect sensor harness and
engine ECU connectors for
dirty,
corroded,
bent,
broken, and pushed back or
extended pins.
Clean and repair connector(s) as
required (WP 0111 00).
b. Check sensor harness and
engine ECU for dirt or
moisture
in
or
on
connectors and for missing
or
damaged
connector
seals.
Remove dirt and moisture from
connector. Replace missing or
damaged connector seals (WP
0111 00).
USE TEST LEAD KIT P/N 3822758
>100K OHMS
