TM 10-3930-675-20-1
0020 00-18
ENGINE TEMPERATURE SENSORS AND CIRCUITS TROUBLESHOOTING - CONTINUED
0020 00
Table 6. Error Code 1155 - Intake Air Temperature Sensor Circuit Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1155 - Intake Air Temperature
Sensor Circuit Failure
1. Check coolant level (TM 10-
3930-675-10).
Add coolant as required (TM 10-
3930-675-10).
2. Check radiator top and side
grille for mud, snow or
obstructions.
Clear obstructions.
3. Check for loose coolant hoses
and clamps.
Tighten or replace as required
(WP 0064 00).
4. Enter
DIAG
EXTRA
FUNCT 4 (13) menu and
check water level sensor
setting. Enter 0 shut off and
1 to run cooling fan. Check
if fording water level sensor is
clogged or damaged.
a. Clean
and/or
replace
fording water level sensor
(WP 0090 00).
b. If problem continues, notify
SRA.
Table 7. Error Code 1212 - Oil Temperature Sensor Circuit Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1212 - Oil Temperature Sensor
Circuit Failure
1. Ensure that ignition switch is
in OFF position. Disconnect
engine harness from oil
pressure/temperature sensor
(WP 0093 00).
a. Inspect
oil
pressure/
temperature sensor and
engine harness connectors
for dirty, corroded, bent,
broken, and pushed back or
extended pins.
Clean and repair connector(s) as
required (WP 0111 00).
b. Check
oil
pressure/
temperature sensor and
engine harness 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).
2. Place ignition switch in OFF
position
and
disconnect
engine harness from oil
pressure/temperature sensor.