Subaru Legacy 2005 Service Manual page 1986

CONTROL SYSTEMS
Step
1 CHECK INPUT SIGNAL OF BODY INTE-
GRATED MODULE USING SUBARU SE-
LECT MONITOR.
1) Turn the ignition switch to OFF.
2) Connect the Subaru Select Monitor to data
link connector.
3) Turn the ignition switch and Subaru Select
Monitor power switch to ON.
4) Depress the brake pedal.
5) Read the input signal of shift position from
Subaru Select Monitor.
<Ref. to LAN(diag)-14, OPERATION, Subaru
Select Monitor.>
2 CHECK INPUT SIGNAL OF BODY INTE-
GRATED MODULE USING SUBARU SE-
LECT MONITOR.
Read the input signal of stop light switch from
Subaru Select Monitor.
<Ref. to LAN(diag)-14, OPERATION, Subaru
Select Monitor.>
3 CHECK STOP LIGHT SWITCH.
Depress the brake pedal.
4 CHECK HARNESS BETWEEN STOP LIGHT
SWITCH AND BODY INTEGRATED MOD-
ULE.
1) Depress the brake pedal.
2) Measure the voltage between body inte-
grated module and chassis ground.
Connector & terminal
(B281) No. 23 (+) — Chassis ground (
5 CHECK DTC OF BODY INTEGRATED MOD-
ULE.
Check DTC of body integrated module.
<Ref. to LAN(diag)-24, OPERATION, Read
Diagnostic Trouble Code (DTC).>
6 CHECK SHIFT LOCK SOLENOID.
1) Turn the ignition switch to OFF.
2) Disconnect the connector of shift lock sole-
noid.
3) Connect the battery to connector terminal
of shift lock solenoid, and operate the solenoid.
Terminal
No. 3 (+) — No. 4 (
7 CHECK OPERATION.
1) Connect all the connectors.
2) Turn the ignition switch to ON. (engine
OFF)
3) Shift the select lever to "P" range.
4) Depress the brake pedal.
5) Shift the select lever from "P" range to "R"
range.
AT Shift Lock Control System
Is "7" displayed?
Is "ON" displayed?
Does the stop light illuminate? Go to step 4.
Is the voltage more than 9 V?
−
):
Is DTC (B0106) displayed?
Is the shift lock solenoid oper-
ating properly?
−
):
Can the select lever shift from
"P" range to "R" range?
CS-18
Check
Go to step 2.
Go to step 5.
Go to step 5.
Repair or replace it
according to the
DTC.
Go to step 7.
A temporary poor
contact of connec-
tor or harness may
be the cause.
Yes No
Check the inhibi-
tor switch, TCM,
body integrated
module and com-
munication circuit.
Go to step 3.
Check the stop
light system.
Repair open or
short circuit of the
harness between
the body inte-
grated module and
stop light switch.
Go to step 6.
Replace the shift
lock solenoid.
Check the body
integrated module.