Subaru Impreza 2003 Service Manual page 1705

DIAGNOSTIC PROCEDURE FOR POWER INDICATOR LIGHT
Step
9 CHECK INHIBITOR SWITCH.
1)Connect the Subaru Select Monitor to data
link connector.
2)Turn the ignition switch to ON.
3)Turn the Subaru Select Monitor to ON.
4)Read the data of range switch using Subaru
Select Monitor.
•Range switch is indicated in ON ⇔ OFF.
10 CHECK SHORT CIRCUIT OF HARNESS.
1)Disconnect the connector from TCM.
2)Remove the combination meter.
3)Disconnect the connector from combination
meter.
4)Measure the resistance of harness connec-
tor between TCM and chassis ground.
Connector & terminal
(B56) No. 11 — Chassis ground:
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Check
When each range is selected,
does the LED of Subaru Select
Monitor light up?
Is the resistance less than 1
MΩ?
4AT-35
Yes
Go to step 10. Check the inhibi-
tor switch circuit.
<Ref. to 4AT-109,
CHECK INHIBI-
TOR SWITCH,
Diagnostic Proce-
dure without Diag-
nostic Trouble
Code (DTC).>
Check the TCM Repair the short
power supply and circuit in harness
ground line. <Ref. between combina-
to 4AT-36, tion meter connec-
CHECK POWER tor and TCM
SUPPLY AND connector.
GROUND LINE,
Diagnostic Proce-
dure for POWER
Indicator Light.>
No