Acura 2002 RSX Service Manual page 1112

Glimate Control
DTC Troubleshooting (cont'dl
DTG 14:An Open in the Evaporator
Temperature Sensor Circu it
1. Remove the evaporator temperature sensor (see
page 21-421.
2. Measure the resistance between the No. 1 and
No. 2 terminals of the evaporator temperature
sensor.
*Dio the sensor in ice water, and measure
resistance. Then pour warm water on the sensor,
and check for chanqe in resistance.
EVAPORATOR TEMPERATURE SENSOR
Terminal side oI male terminals
RESISTANCE
k 0
86 "F
30 "c
32
0
50 68
10 20
TEMPERATURE
ls the resistance within the specilications shown
on the graph?
YES - Go to step 3.
NO Replace the evaporator temperature
s e n s o r . l
3. Oisconnect the climate control unit 30P connector.
21-28
4. Check for continuity between the No. 5 terminal of
the climate control unit 30P connector and the
No, 1 terminal of the evaporator temperature
sensor 2P connector.
CLIMATE CONTROL UNIT 3OP CONNECTOB
Wire side of female terminals
EVAPORATOR TEMPERATURE SENSOR 2P CONNECTOR
Wire side of female terminals
Is there continuity?
YES Go to step 5.
NO Repair open in the wire between the climate
control unit and the evaporator temperature
sensor.l