TM 10-3930-675-20-1
0020 00-11
ENGINE TEMPERATURE SENSORS AND CIRCUITS TROUBLESHOOTING - CONTINUED
0020 00
Table 4. Error Code 1153 - Intake Air Temperature Sensor Circuit Failure
Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1153 - Intake Air Temperature
Sensor Circuit Failure - Continued
3. Measure resistance from pin
A to pin B of coolant
temperature sensor. Resis-
tance should be 175-244k
ohms.
If resistance is not as specified,
replace
coolant
temperature
sensor (WP 0093 00).
4. 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
175-244K OHMS
