Subaru 2002 IMPREZA Service Manual page 1635

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Step
14 CHECK HARNESS CONNECTOR BETWEEN
TRANSMISSION AND ATF TEMPERATURE
SENSOR.
Measure the resistance of harness between
transmission connector and transmission
ground.
Connector & terminal
(T4) No. 12 — Transmission ground:
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Check
Is the resistance more than 1
MΩ?
AT-49
Yes
Replace the ATF Repair the short
temperature sen- circuit in harness
sor. <Ref. to AT- between ATF tem-
40, Shift Sole- perature sensor
noids, Duty Sole- and transmission
noids and ATF connector.
Temperature Sen-
sor.>
No