Subaru 2009 IMPREZA Service Manual page 1832

Step
1 CHECK BODY INTEGRATED UNIT POWER
SUPPLY AND GROUND CIRCUIT.
<Ref. to CS-12, BODY INTEGRATED UNIT
POWER SUPPLY AND GROUND CIRCUIT,
INSPECTION, AT Shift Lock Control System.>
2 CHECK CURRENT DATA.
1) Connect the Subaru Select Monitor.
2) Shift the select lever to "P" range.
3) Turn the ignition switch to ON.
4) Display the current data display and display
"P SW". <Ref. to LAN(diag)-15, OPERATION,
Subaru Select Monitor.>
3 CHECK CURRENT DATA.
Display the current data display and display
"Stop Light Switch". <Ref. to LAN(diag)-15,
OPERATION, Subaru Select Monitor.>
4 CHECK BODY INTEGRATED UNIT DTC.
Check the DTC of the body integrated unit when
the brake pedal is pressed and when it is
released.
(Hold each condition for 5 seconds or more.)
5 CHECK CURRENT DATA.
Select the current data display and display
"Shift Lock Solenoid". <Ref. to LAN(diag)-15,
OPERATION, Subaru Select Monitor.>
6 CHECK CURRENT DATA.
Select the current data display and display
"Shift Position". <Ref. to LAN(diag)-15, OPER-
ATION, Subaru Select Monitor.>
7 CHECK CURRENT DATA.
1) Select the current data display and display
"Front Wheel Speed". <Ref. to LAN(diag)-15,
OPERATION, Subaru Select Monitor.>
2) Start the engine.
3) Raise vehicle speed gradually up to approx-
imately 20 km/h.
AT Shift Lock Control System
Is there an abnormal condition? Follow the proce-
Is the display "ON" in the P
range and "OFF" in ranges
other than P?
Is "ON" displayed when the
brake pedal is depressed and
"OFF" displayed when the
brake pedal is released?
Is there a DTC of a current mal-
function?
Is "ON" displayed when the
brake pedal is depressed and
"OFF" displayed when the
brake pedal is released?
Is the display "7" in the P range
and other than "7" in ranges
other than P?
Is a figure equivalent to the
speedometer being indicated?
CS-15
Check Yes
dures to perform
inspection and
repair.
Go to step 3.
Go to step 4.
Follow the DTC to
perform inspection
and repair.
Go to step 6.
Go to step 7.
Go to step 12.
CONTROL SYSTEMS
No
Go to step 2.
Go to step 8.
Go to step 11.
Go to step 5.
Replace the body
integrated unit.
Check the follow-
ing items.
• Inhibitor switch
• Harness
between inhibitor
switch and TCM
• TCM input signal
• TCM CAN com-
munication
• Body integrated
unit CAN receive
Check the follow-
ing items.
• Wheel speed
sensor
• VDC/ABS CAN
communication
• Body integrated
unit CAN receive
Replace the wheel
speed sensor,
VDC/ABS, or body
integrated unit, or
both.