Door Lock Control System - Subaru 2003 LEGACY Service Manual

SECURITY AND LOCKS

2. Door Lock Control System

A: SCHEMATIC
<Ref. to WI-240, SCHEMATIC, Keyless Entry System.>
B: INSPECTION
1. SYMPTOM CHART
Symptom
Door lock control system does not
operate.
Door lock switch (knob) does not
operate.
A specific door lock actuator does not
operate.
2. CHECK FUSE
1 CHECK FUSE.
Remove and visually check fuse No. 2 (in the
main fuse box) and No. 3 (in the fuse and relay
box).
Is the fuse blown?
DOOR LOCK CONTROL SYSTEM
1. Check the fuse.
2. Check the power supply and ground
circuit for keyless entry control module.
3. Check the door lock switch and the
circuit.
4. Check the door lock actuator and the
circuit.
Check the door lock switch and the cir-
cuit.
Check the door lock actuator and the
circuit.
Step
Repair order
Value
The fuse is not blown.
SL-8
Reference
<Ref. to SL-8, CHECK FUSE, INSPECTION,
Door Lock Control System.>
<Ref. to SL-9, CHECK POWER SUPPLY AND
GROUND CIRCUIT, INSPECTION, Door Lock
Control System.>
<Ref. to SL-9, CHECK DOOR LOCK SWITCH
AND CIRCUIT, INSPECTION, Door Lock Con-
trol System.>
<Ref. to SL-10, CHECK DOOR LOCK ACTUA-
TOR AND CIRCUIT, INSPECTION, Door Lock
Control System.>
<Ref. to SL-9, CHECK DOOR LOCK SWITCH
AND CIRCUIT, INSPECTION, Door Lock Con-
trol System.>
<Ref. to SL-10, CHECK DOOR LOCK ACTUA-
TOR AND CIRCUIT, INSPECTION, Door Lock
Control System.>
Yes
Check power sup-
ply and ground cir-
cuit. <Ref. to SL-9,
CHECK POWER
SUPPLY AND
GROUND CIR-
CUIT, INSPEC-
TION, Door Lock
Control System.>
No
Replace the fuse
with a new one.