Subaru Legacy (2005 year). Manual - part 1025

IM(diag)-5

IMMOBILIZER (DIAGNOSTICS)

General Description

B: PREPARATION TOOL

1. SPECIAL TOOL 

2. GENERAL TOOL

ILLUSTRATION

TOOL NUMBER

DESCRIPTION

REMARKS

18482AA000

(Newly adopted tool)

CARTRIDGE

Troubleshooting for electrical system.

22771AA030

SUBARU SELECT 
MONITOR KIT

Troubleshooting for electrical system.
• English: 22771AA030 (Without printer)
• German: 22771AA070 (Without printer)
• French: 22771AA080 (Without printer)
• Spanish: 22771AA090 (Without printer)

TOOL NAME

REMARKS

Circuit tester

Used for measuring resistance, voltage and current.

ST18482AA000

ST22771AA030

IM(diag)-6

IMMOBILIZER (DIAGNOSTICS)

Electrical Component Location

3. Electrical Component Location

A: LOCATION

NOTE:
Body integrated module location for RHD model is symmetrically opposite.

(1)

Antenna

(3)

Body integrated module

(4)

Transponder

(2)

Immobilizer indicator light (LED 
bulb)

IM-00083

(2)

(4)

(1)

(3)

IM(diag)-7

IMMOBILIZER (DIAGNOSTICS)

Immobilizer Control Module I/O Signal

4. Immobilizer Control Module 

I/O Signal

A: WIRING DIAGRAM

1. IMMOBILIZER

<Ref. to WI-211, WIRING DIAGRAM, Immobilizer
System.>

IM(diag)-8

IMMOBILIZER (DIAGNOSTICS)

Subaru Select Monitor

5. Subaru Select Monitor

A: OPERATION

1. HOW TO USE SUBARU SELECT MONI-
TOR

1) Prepare the Subaru Select Monitor kit.

2) Connect the diagnosis cable to Subaru Select
Monitor.
3) Insert the cartridge to Subaru Select Monitor.

4) Connect the Subaru Select Monitor to data link
connector.

(1) Data link connector is located in the lower
portion of the instrument panel (on the driver's
side).

(2) Connect the diagnosis cable to data link
connector.

CAUTION:
Do not connect the scan tools except Subaru 
Select Monitor.

5) Turn the ignition switch to ON (engine OFF), and
the Subaru Select Monitor power switch to ON.

6) Using the Subaru Select Monitor, call up DTC
and various data, then record them.

2. READ DIAGNOSTIC TROUBLE CODE 
(DTC) FOR ENGINE AND BODY INTEGRAT-
ED MODULE

Refer to Read Diagnostic Trouble Code for infor-
mation about how to indicate DTC. <Ref. to IM(di-
ag)-9, Read Diagnostic Trouble Code (DTC).>

3. COMMUNICATION LINE CHECK

NOTE:
The communication line between ECM and body
integrated module can be checked in “System Op-
eration Check Mode”. This is referred to as “Com-
munication line check”.
1) Connect the Subaru Select Monitor.
2) On the “System operation check mode” display,
select the {security system}.
3) Start the communication line check.
4) Is “Communication Line not Shorted” displayed
on screen?
If displayed, go to step 5).
If “NO”, go to step 6).
5) After diagnostic results, it is determined that the
circuit is not shorted. Finish the communication line
check.
6) If a problem is detected, repair the trouble
cause. <Ref. to IM(diag)-21, DTC P1572 IMM CIR-
CUIT FAILURE (EXCEPT ANTENNA CIRCUIT),
Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>

CC-00028

EN-00039

IM-00084

(1) Power switch

CC-00045

(1)