Subaru IMPREZA 2002 Service Manual page 388

I
DIAGNOSTICS FOR ENGINE STARTING FAILURE
ENGINE (DIAGNOSTICS)
r
Check
Is the voltage more than
10
V?
Step-
CHECK INPUT VOLTAGE
OF
ECM.
1)Connect the main relay connector.
2)Turn the ignition switch to ON.
3)Measure the voltage between ECM connec-
tor and chassis ground.
10
Connector L ? terminal
(8136) No. 1 (+)
-
Chassis ground ( - ) :
(8136) No. 2 (+)
-
Chassis ground (-):
Yes
Check ignition
control system.
<Ref. to
EN(S0HC)-66,
IGNITION CON-
TROL SYSTEM,
Diagnostics for
Engine Starting
Failure.>
Repair open or
ground short cir-
cuit in harness
between ECM
connector and
main relay connec
I
EN(S0HC)-64