Subaru 2009 IMPREZA Service Manual page 1857

CONTROL SYSTEMS
8. General Diagnostic Table
A: INSPECTION
Symptoms
Select lever Starter does not run.
Back-up light does not illuminate.
AT shift lock system does not operate normally.
Manual mode can not be set.
Up-shift is not engaged at manual mode.
Down-shift is not engaged at manual mode.
General Diagnostic Table
Possible cause
CS-40
Corrective action
Adjust the select cable and inhibitor switch, or
inspect the circuit.
Adjust the select cable and inhibitor switch, or
inspect the circuit.
Adjust the select cable and inhibitor switch, or
inspect the circuit.
Adjust the mode switch and select lever, or inspect
the circuit.
Check the shift-up switch and circuit.
Check the shift-down switch and circuit.