Subaru IMPREZA 2002 Service Manual page 17

AT SHIFT LOCK SYSTEM
Check
Does the stop light turn ON?
Is the resistance more than 1
MR?
CONTROL SYSTEMS
Yes
Go to step 2.
Repair open circuit
in harness
between inte-
grated module and
stop light switch.
Step
I CHECK STOP LIGHT SWITCH.
2
Depress the brake pedal.
CHECK HARNESS BETWEEN STOP LIGHT
SWITCH AND INTEGRATED MODULE.
1)Turn the ignition switch to OFF.
2)Disconnect the integrated and stoplight
switch connector.
3)Measure the resistance of harness between
stop light switch and integrated module.
Connector & terminal
Without cruise control model
Without cruise control model
(864) NO. 1
-
(B280) NO. 9:
(B65) NO. 3
-
(8280)
NO.
9:
3
CHECK HARNESS BETWEEN STOP LIGHT
SWITCH AND INTEGRATED MODULE.
Measure the resistance of harness between
stop light switch and chassis ground.
Connector & terminal
Without cruise control model
Without cruise control model
4 CHECK HARNESS BETWEEN INTEGRATED
MODULE AND SHIFT LOCK SOLENOID.
1)Disconnect the shift lock solenoid connector
2)Measure the resistance of harness between
integrated module and shift lock solenoid..
(B64) No. 1
-
Chassis ground:
(B65) No. 3
-
Chassis ground:
Connector & terminal
(B116)
NO.
4
-
(8281)
NO.
9:
5 CHECK HARNESS BETWEEN INTEGRATED
MODULE AND SHIFT LOCK SOLENOID.
Measure the resistance of harness between
shift lock solenoid and chassis ground.
Connector & terminal
( B l l 6 ) No. 4
-
Chassis ground:
SOLENOID AND CHASSIS GROUND.
Measure the resistance of harness between
shift lock solenoid and chassis ground.
6
CHECK HARNESS BETWEEN SHIFT LOCK
Connector & terminal
7 CHECK SHIFT LOCK SOLENOID.
(61 16) No. 5
-
Chassis ground:
Measure the resistance of shift lock solenoid
connector terminals.
Terminal
NO. 4 -NO. 5:
8
CHECK SHIFT LOCK SOLENOID.
Connect the battery with shift lock solenoid
connector terminal and operate solenoid.
Terminal
NO.
4 (+)
-
NO. 5
( - - ) I
9
CHECK POOR CONTACT.
Is the resistance less than 1
n?
Repair short circuit
in harness
between inte-
grated module and
stop light switch.
Is the resistance more than 1
MR?
Is the resistance less than 1
Q?
Is the resistance more than 1
MR?
Repair open circuit
in harness
between inte-
grated module and
shift lock solenoid.
Repair short circuit
in harness
between inte-
grated module and
shift lock solenoid.
Repair open circuit
in harness
between shift lock
solenoid and body
ground.
Is the resistance between 10
and 20 R?
Go to step 8.
Does the shift lock solenoid
operate properly?
No
Go to step 9.
Inspect the stop
light system.
So to step 3.
Is there poor contact in key
lock circuit?
Go to step 4.
Repair poor con-
tact.
Go to step 5.
Go to step 6.
Go to step 7.
Replace the shift
lock solenoid.
Replace the shift
lock solenoid.
Replace the inte-
grated module.
CS-15