Subaru IMPREZA 2002 Service Manual page 19

I
AT SHIFT LOCK SYSTEM
CONTROL SYSTEMS
~
~
Step
CHECK INHIBITOR SWITCH.
1)Turn the ignition switch to ON (engine OFF).
2)Move the select lever from
"P"
to "1" range.
CHECK HARNESS BETWEEN INHIBITOR
SWITCH AND INTEGRATED MODULE.
1)Turn the ignition switch to OFF.
2)Disconnect the connector transmission har-
ness and intgrated module.
3)Measure the resistance of harness between
integrated module and chassis ground.
(6280) No. 5
-
Chassis ground:
CHECK HARNESS BETWEEN INHIBITOR
SWITCH AND INTEGRATED MODULE.
Measure the resistance of harness between
integrated module and inhibitor switch.
Connector & terminal
Connector & terminal
(612) NO. 3
-
(6280)
NO.
5:
CHECK HARNESS BETWEEN INHIBITOR
SWITCH AND CHASSIS GROUND.
Measure the resistance of harness between
integrated module and chassis ground.
(612) No. 4
-
Chassis ground:
CHECK INHIBITOR SWITCH.
1)Move the select lever to " P position.
2)Measure the resistance of transmission har-
ness connector terminals.
Connector & terminal
Connector & terminal
(T3) NO.
3
-
NO. 4:
CHECK OUTPUT SIGNAL FOR INTEGRAT-
ED MODULE.
1)Connect all connectors.
2)Turn the ignition switch to ON.
3)Measure the voltage between integrated
module and chassis ground.
Connector & terminal
(6280) No. 5 (+)
-
Chassis ground ( - ) :
CHECK STOP LIGHT SWITCH.
Depress the brake pedal.
CHECK HARNESS BETWEEN STOP LIGHT
SWITCH AND AT SHIFT LOCK CONTROL
MODULE.
1)Depress the brake pedal.
2)Measure the voltage between integrated
module and chassis ground.
Connector & terminal
(6280) No. 9 (+)
-
Chassis ground ( - ) :
CHECK HARNESS BETWEEN INTEGRATED
MODULE AND SHIFT LOCK SOLENOID.
1)Turn the ignition switch to OFF.
2)Disconnect the connector from shift lock
solenoid and integrated module.
3)Measure the resistance of harness between
integrated module and shift lock solenoid.
Connector & terminal
(6281) NO. 9
-
(61161
NO.
4:
Check
;ombination meter indicator
amp and select lever " P , "R",
IN", " 3 , " 2 and "1" are cor-
.ectly matched?
s the resistance less than 1
n?
s the resistance more than 1
WR?
s the resistance less than 1
n?
s
the resistance more than 1
w n ?
Is
the voltage between 9 and
16 V?
Does the stop light turn on?
Is
the voltage more than 9 V?
Is the resistance more than 1
MR?
Yes
Go to step
2.
Repair short circuit
in harness
between inte-
grated module and
transmission con-
nector.
Repair open circuit
in harness
between inte-
grated module and
transmission con-
nector
Go to step 5.
Repair or replace
inhibitor switch.
Go to step 7.
Go to step
8.
Go to step
9.
Repair open circuit
in harness
between inte-
grated module and
shift lock solenoid.
No
4djust inhibitor
;witch and select
:able.
30 to step 3.
30 to step 4.
Sepair open circuii
n harness
2etween inte-
Jrated module and
:hassis ground.
30 to step 6.
30 to step 15.
Inspect stop light
iystem.
Repair open or
short circuit in har,
ness between inte
grated module ana
itop light switch.
Go to step 10.
CS-17