Kyocera TASKalfa 5551ci - Broken Outer Temperature Sensor 2 Wire; Short-Circuited Outer Temperature Sensor 2

2L6/2N6/2N5/2N4
1-4-146
7200 Broken outer temperature
sensor 2 wire
The sensor input sampling is
greater than 230.
Outer temperature
sensor 2
1. Confirm Ext/Int is displayed by U139
temperature and humidity (see page 1-
3-98).
2. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Outer temperature sensor 2 and Front
PWB (YC19)
Front PWB (YC2) and Engine PWB
(YC10)
3. If the wiring is disconnected, shorted or
grounded, replace the wiring.
4. Replace the outer temperature sensor 2.
Front PWB Replace the front PWB.
Engine PWB 1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
80).
7210 Short-circuited outer tem-
perature sensor 2
The sensor input sampling is
less than 69.
Outer temperature
sensor 2
1. Confirm Ext/Int is displayed by U139
temperature and humidity (see page 1-
3-98).
2. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Outer temperature sensor 2 and Front
PWB (YC19)
Front PWB (YC2) and Engine PWB
(YC10)
3. If the wiring is disconnected, shorted or
grounded, replace the wiring.
4. Replace the outer temperature sensor 2.
Front PWB Replace the front PWB
Engine PWB 1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
80).
Code Contents Related parts
Check procedures/
corrective measures