Subaru Legacy 2002 Service Manual page 3018

4. CHECK POWER SUPPLY AND GROUND CIRCUIT
No.
1 CHECK POWER SUPPLY.
1) Disconnect the keyless entry control mod-
ule harness connector.
2) Measure the voltage between the harness
connector terminal and chassis ground.
Connector & terminal
(B176) No. 5, No. 16 (+) — Chassis
ground (–):
2 CHECK GROUND CIRCUIT.
Measure the resistance between the harness
connector terminal and chassis ground.
Connector & terminal
(B176) No. 6, No. 14 (+) — Chassis
ground (–):
5. CHECK REGISTRATION CONNECTOR CIRCUIT
No.
1 REGISTRATION CONNECTOR INPUT VOLT-
AGE INSPECTION
1) Turn ignition switch ON.
2) Disconnect registration connector.
3) Measure voltage between keyless entry
control module harness connector and chas-
sis ground.
Connector & terminal
(B176) No. 2 (+) — Chassis ground (−):
2 REGISTRATION CONNECTOR INPUT VOLT-
AGE INSPECTION
1) Connect registration connector.
2) Measure voltage between keyless entry
control module harness connector and chas-
sis ground.
Connector & terminal
(B176) No. 2 (+) — Chassis ground (−):
KEYLESS ENTRY SYSTEM
Step
Is the voltage more than 10
V?
Is the resistance less than
10 Ω?
Step
Is the voltage more than 10
V?
Is the voltage 0 V?
SL-15
S909345A1005
Check Yes
Go to step 2.
The power supply
and ground circuit
are OK.
S909345A1012
Check Yes
Go to step 2.
Registration con-
nector circuit is
OK.
Security and Locks
No
Check the har-
ness for open cir-
cuits or shorts
between the key-
less entry control
module and fuse.
Repair the har-
ness.
No
Repair harness,
and (or) connec-
tor.
Repair harness,
and (or) connec-
tor.