Subaru IMPREZA GD 2007 Series Manual page 4113

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6. CHECK IGNITION SWITCH CIRCUIT
Step
1 CHECK IGNITION SWITCH CIRCUIT.
1) Disconnect the harness connector of the
keyless entry control module.
2) Turn the ignition switch to ON.
3) Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
(B176) No. 10 (+) — Chassis ground (–):
7. CHECK DOOR SWITCH
Step
1 CHECK DOOR SWITCH CIRCUIT.
Measure the voltage between the keyless entry
control module harness connector terminal and
the body ground.
NOTE:
If there is electrical noise, it may not be at 0 V.
Connector & terminal
Front, rear door and rear gate (wagon
model):
(B176) No. 6 (+) — Chassis ground (–):
Trunk lid (sedan model):
(B176) No. 7 (+) — Chassis ground (–):
2 CHECK DOOR SWITCH CIRCUIT.
Measure the voltage between the keyless entry
control module harness connector terminal and
the body ground.
Connector & terminal
Front, rear door and rear gate (wagon
model):
(B176) No. 6 (+) — Chassis ground (–):
Trunk lid (sedan model):
(B176) No. 7 (+) — Chassis ground (–):
3 CHECK DOOR SWITCH.
1) Disconnect the door switch harness con-
nector.
2) Measure the resistance between door
switch terminals.
Terminals
Door switch No. 1 — No. 3:
Rear gate latch switch (wagon model)
No. 1 — No. 2:
Trunk room light switch (sedan model)
No. 1 — No. 2:
4 CHECK DOOR SWITCH.
Measure the resistance between door switch
terminals.
Terminals
Door switch No. 1 — No. 3:
Rear gate latch switch (wagon model)
No. 1 — No. 2:
Trunk room light switch (sedan model)
No. 1 — No. 2:
Keyless Entry System
Check
Is the voltage 10 V or more?
Check
Is the voltage 0 V when any
door or rear gate is opened?
Is the voltage 10 V or more
when any door or rear gate is
closed?
Is the resistance 1 MΩ or more
when door switch is pushed?
Is the resistance less than 1 Ω
when door switch is released?
SL-17
SECURITY AND LOCKS
Yes No
The function of the Check the harness
ignition switch is for open circuits or
normal. shorts between the
keyless entry con-
trol module and the
ignition relay.
Yes No
Go to step 2. Go to step 3.
The door switch is Go to step 3.
OK.
Go to step 4. Replace the door
switch.
Check the harness Replace the door
for open circuits switch.
and shorts
between the key-
less entry control
module and door
switch.