A: Wiring Diagram; B: Electrical Specification; Security System - Subaru 2009 IMPREZA Service Manual

SECURITY AND LOCKS

4. Security System

A: WIRING DIAGRAM

Refer to "Security System" in WI section. <Ref. to WI-154, WIRING DIAGRAM, Security System.>

B: ELECTRICAL SPECIFICATION

1. BODY INTEGRATED UNIT
Refer to the Control Module I/O Signal of the LAN SYSTEM (DIAGNOSTICS). <Ref. to LAN(diag)-10, ELEC-
TRICAL SPECIFICATION, Control Module I/O Signal.>
C: INSPECTION
1. BASIC DIAGNOSTIC PROCEDURE
Step
1 INITIAL CHECK.
Check keyless entry system.
2 CHECK SECURITY ON/OFF SETTING.
1) Remove the key from ignition switch or turn
the ignition to OFF, and close all doors.
2) Press the UNLOCK button of the keyless
transmitter.
3) Check the security indicator light blinking
patterns.
3 CHECK SECURITY ON/OFF SETTING.
1) Press the LOCK button of the keyless trans-
mitter.
2) Check the security indicator light blinking
patterns.
4 CHANGE SETTING OF SECURITY SYSTEM.
Change the setting of security system to ON.
<Ref. to SL-28, SECURITY SYSTEM ON/OFF
SETTING, INSPECTION, Security System.>
Security System
Check
Does the keyless entry system
operate normally?
Does the security indicator light
blink at 3 second intervals?
Is the security indicator light
blinking patterns as follows? /
When monitoring lag is set to 0
seconds: flashes twice within
0.5 seconds, in 2 second inter-
vals / When monitoring lag is
set to 30 seconds: flashes 3
times per second, in 0.4 second
intervals.
Is setting change completed
correctly?
SL-26
Yes No
Go to step 2. Check keyless
entry system.
<Ref. to SL-15,
INSPECTION,
Keyless Entry Sys-
tem.>
Go to step 3. Check the security
indicator light cir-
cuit. <Ref. to SL-
30, CHECK
SECURITY INDI-
CATOR LIGHT
CIRCUIT,
INSPECTION,
Security System.>
Go to step 6. Go to step 4.
Go to step 5. • Check the igni-
tion switch circuit.
<Ref. to SL-31,
CHECK IGNITION
SWITCH CIRCUIT,
INSPECTION,
Security System.>
• Check the door
lock switch circuit.
<Ref. to SL-24,
CHECK DOOR
LOCK SWITCH,
INSPECTION,
Keyless Entry Sys-
tem.>