Subaru 2006 Legacy, Manual

Page: 3694 / 4302

CS-17
AT Shift Lock Control System
CONTROL SYSTEMS
Step Check Yes No
1 CHECK INPUT SIGNAL OF BODY INTE-
GRATED UNIT USING SUBARU SELECT
MONITOR.
1) Turn the ignition switch to OFF.
2) Connect the Subaru Select Monitor to the
data link connector.
3) Turn the ignition switch and Subaru Select
Monitor to ON.
4) Depress the brake pedal.
5) Read the input signal of the key warning
switch from the Subaru Select Monitor.
<Ref. to LAN(diag)-12, OPERATION, Subaru
Select Monitor.>
Is “ON” displayed? Go to step
2
. Go to step
4
.
2 CHECK INPUT SIGNAL OF BODY INTE-
GRATED UNIT USING SUBARU SELECT
MONITOR.
1) Shift the select lever to the “P” range.
2) Read the input signal of “P” range switch
from Subaru Select Monitor.
<Ref. to LAN(diag)-12, OPERATION, Subaru
Select Monitor.>
Is “ON” displayed? Go to step
3
. Go to step
8
.
3 CHECK DTC OF BODY INTEGRATED UNIT.
Check DTC of body integrated unit.
<Ref. to LAN(diag)-25, OPERATION, Read
Diagnostic Trouble Code (DTC).>
Is DTC (B0105) displayed? Repair or replace it
according to the
DTC. Check the body
integrated unit.
4 CHECK HARNESS BETWEEN BATTERY
AND KEY WARNING SWITCH.
1) Disconnect the connector of key warning
switch.
2) Measure the voltage of harness between
key warning switch and chassis ground.
Connector & terminal
(B350) No. 3 (+) — Chassis ground (–):
Is the voltage 9 — 16 V? Go to step
5
. Repair the open or
short circuit of har-
ness between bat-
tery and key
warning switch.
5 CHECK KEY WARNING SWITCH.
Measure the resistance between connector
terminals of key warning switch.
Terminals
No. 3 — No. 4:
Is the resistance more than 1
M
Ω
?
Replace the key
warning switch. Go to step 6 .
6 CHECK KEY WARNING SWITCH.
1) Remove the key.
2) Measure the resistance between connector
terminals of key warning switch.
Terminals
No. 3 — No. 4:
Is the resistance more than 1
M
Ω
?
Go to step 7 . Replace the key
warning switch.
7 CHECK HARNESS BETWEEN AT SHIFT
LOCK CONTROL MODULE AND KEY
WARNING SWITCH.
1) Disconnect the connector of body inte-
grated unit.
2) Measure the voltage between body inte-
grated unit and chassis ground.
Connector & terminal
(B281) No. 7 (+) — Chassis ground (–):
Is the voltage more than 9 V? Go to step
8
. Repair the open
circuit of harness
between body inte-
grated unit and key
warning switch.
8 CHECK HARNESS BETWEEN “P” RANGE
SWITCH AND CHASSIS GROUND.
Measure the resistance of harness between
“P” range switch and chassis ground.
Connector & terminal
(B116) No. 1 — Chassis ground:
Is the resistance less than 1
Ω
?
Go to step
9
. Repair the short
circuit of harness
between “P” range
switch and body
integrated unit.
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