Subaru IMPREZA 2002 Service Manual page 384

DIAGNOSTICS FOR ENGINE STARTING FAILURE
Yes
30 to step 10.
30 to step 11.
No
Repair open or
ground short cir-
cuit in harness
between starter
interlock relay and
ignition switch.
NOTE:
Check security
system
(ii
equipped). <Ref.
to SL-21, Security
System.>
Replace the
starter interlock
TERLOCK RELAY.
1)Turn the ignition switch to OFF.
2)Disconnect the connector from starter inter-
lock relay.
3)Connect the connector to ignition switch.
4)Measure the input voltage between starter
interlock relay connector and chassis ground
while turning ignition switch to ST.
Connector & terminal
(B105) No. 37 (+)
-
Chassis ground (-):
(B105) No. 34 (+)
-
Chassis ground (-):
1)Connect the battery to starter interlock relay
terminals No. 34 and No. 36.
2)Measure the resistance between starter
interlock relay terminals.
0 CHECK STARTER INTERLOCK RELAY.
Terminals
NO. 37- NO. 38:
1
CHECK GROUND CIRCUIT OF CLUTCH
SWITCH
.
1)Disconnect the connector from clutch switch
2)Measure the resistance between clutch
switch connector and chassis ground.
(B106) No. 1
-
Chassis ground:
1)Measure the resistance between clutch
switch terminal while depressing the clutch
pedal.
Connector & terminal
2
CHECK CLUTCH SWITCH.
Terminals
NO. 1
-
NO. 2:
3 CHECK CLUTCH SWITCH CIRCUIT.
1)Connect the connector to clutch switch.
2)Measure the resistance between starter
interlock relay connector and chassis ground
while depressing the clutch pedal.
Connector & terminal
(B105) No. 36
-
Chassis ground:
Step
s the resistance less than 1
R?
Check
s the resistance less than 1
n?
CHECK INPUT VOLTAGE OF STARTER IN-
I
Is the resistance less than 1
R?
Is the voltage more than 10 V?
Is the resistance less than 1
n?
30 to step 12.
Repair open circuit
of ground cable.
relay.
30 to step 13.
3epair open or
jround short cir-
:uit in harness
letween starter
nterlock relay and
starter motor.
Replace the clutch
switch. <Ref. to
Switch.>
CL-30, Clutch
Repair open circuit
in harness
between starter
interlock relay and
clutch switch.
EN( SOH C)-60