2009 SUBARU TRIBECA Service Workshop Manual

ESP wiper blades hood open ECO mode battery battery capacity

Page 433 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual IM (diag)-17
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
IMMOBILIZER (DIAGNOSTICS)
B: DTC P1570 ANTENNA
DTC DETECTING CONDITION:
Faulty antenna
WIRING DIAGRAM:
IM-00110
C20C21
B351
12
12
B

Page 434 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual IM (diag)-18
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
IMMOBILIZER (DIAGNOSTICS)
Step Check Yes No
1CHECK ANTENNA CIRCUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the harness c

IM (diag)-18
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
IMMOBILIZER (DIAGNOSTICS)
Step Check Yes No
1CHECK ANTENNA CIRCUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the harness connector from
antenna. Antenna.>
3) Measure the resistance of antenna circuit.
Connector & terminal
(B351) No. 1 — No. 2:
Is the resistance less than 10
Ω?
Go to step 2.Replace the
antenna. SL-55, Immobi-
lizer Antenna.>
2CHECK ANTENNA CIRCUIT.
1) Disconnect the harness connector from
body integrated unit.
2) Measure the resistance between harness
connector and chassis ground.
Connector & terminal
(B281) No. 21 — Chassis ground:
Is the resistance less than 10
Ω?
Repair the har-
ness.
Go to step 3.
3CHECK ANTENNA CIRCUIT.
Measure the resistance between harness con-
nector and chassis ground.
Connector & terminal
(B281) No. 20 — Chassis ground:
Is the resistance less than 10
Ω?
Repair the har-
ness.
Go to step 4.
4CHECK ANTENNA CIRCUIT.
1) Turn the ignition switch to ON.(Engine OFF)
2) Measure the voltage between harness con-
nector and chassis ground.
Connector & terminal
(B281) No. 21 (+) — Chassis ground (–):
Is the voltage 0 V? Go to step 5.Repair the har-
ness.
5CHECK ANTENNA CIRCUIT.
Measure the voltage between harness connec-
tor and chassis ground.
Connector & terminal
(B281) No. 20 (+) — Chassis ground (–):
Is the voltage 0 V? Go to step 6.Repair the har-
ness between
body integrated
unit and antenna,
because there is
short circuit with
battery voltage line
or ignition switch
“ON” line.
6CHECK BODY INTEGRATED UNIT FUNC-
TION.
1) Turn the ignition switch to OFF.
2) Connect the harness connector to body
integrated unit.
3) Insert the key to ignition switch, and mea-
sure the changes in voltage between antenna
harness connectors.
Connector & terminal
(B281) No. 20 (+) — No. 21 (–):
Is the voltage –30 to 30 V?
(Approx. 0.1 second after
inserting the key) Is the voltage
0 V? (Approx. 1 second after
inserting the key)
Go to step 7.Replace the body
integrated unit
Body Integrated
Unit.> and replace
all the ignition keys
(including tran-
sponder). Execute
the registration
procedure next.
Refer to the “REG-
ISTRATION MAN-
UAL FOR
IMMOBILIZER”.

Page 435 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual IM (diag)-19
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
IMMOBILIZER (DIAGNOSTICS)
C: DTC P1571 REFERENCE CODE INCOMPATIBILITY
DTC DETECTING CONDITION:
Reference code incompatibility betwe

Page 436 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual IM (diag)-20
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
IMMOBILIZER (DIAGNOSTICS)
D: DTC P1572 IMM CIRCUIT FAILURE (EXCEPT ANTENNA CIRCUIT)
DTC DETECTING CONDITION:
Communication failure

Page 437 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual IM (diag)-21
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
IMMOBILIZER (DIAGNOSTICS)
3CHECK BODY INTEGRATED UNIT GROUND
CIRCUIT.
1) Turn the ignition switch to OFF.
2) Measure the resistanc

IM (diag)-21
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
IMMOBILIZER (DIAGNOSTICS)
3CHECK BODY INTEGRATED UNIT GROUND
CIRCUIT.
1) Turn the ignition switch to OFF.
2) Measure the resistance between body inte-
grated unit harness connector terminal and
chassis ground.
Connector & terminal
(B280) No. 22 — Chassis ground:
(B281) No. 8, No. 9 — Chassis ground:
Is the resistance less than 10
Ω?
Go to step 4.Repair the open
circuit of body inte-
grated unit ground
circuit.
4CHECK HARNESS BETWEEN BODY INTE-
GRATED UNIT AND ECM.
1) Disconnect the harness connector from
body integrated unit and ECM.
2) Measure the resistance between body inte-
grated unit harness connector terminal and
ECM harness connector terminal.
Connector & terminal
(B280) No. 18 — (B136) No. 26:
Is the resistance less than 10
Ω?
Go to step 5.Repair the open
circuit of harness
between body inte-
grated unit and
ECM.
5CHECK HARNESS BETWEEN BODY INTE-
GRATED UNIT AND ECM.
Measure the resistance between body inte-
grated unit harness connector terminal and
ECM harness connector terminal.
Connector & terminal
(B280) No. 28 — (B136) No. 34:
Is the resistance less than 10
Ω?
Go to step 6.Repair the open
circuit of harness
between body inte-
grated unit and
ECM.
6CHECK HARNESS OF COMMUNICATION
LINE.
1) Turn the ignition switch to ON.(Engine OFF)
2) Measure the voltage between body inte-
grated unit harness connector terminal and
chassis ground.
Connector & terminal
(B280) No. 18, No. 28 (+) — Chassis
ground (–):
Is the voltage 0 V? Go to step 7.Repair the har-
ness between
body integrated
unit and ECM,
because there is
short circuit with
battery voltage line
or ignition switch
“ON” line.
7CHECK HARNESS OF COMMUNICATION
LINE.
Measure the voltage between harness connec-
tor terminal and engine ground.
Connector & terminal
(B136) No. 26, No. 34 (+) — Engine
ground (–):
Is the voltage 0 V? Go to step 8.Repair the har-
ness between
body integrated
unit and ECM,
because there is
short circuit with
battery voltage line
or ignition switch
“ON” line.
8CHECK ECM BY COMMUNICATION LINE
CHECK.
1) Connect the harness connector to ECM.
2) Disconnect the harness connector from
body integrated unit.
3) Start the communication line check. to IM (diag)-7, COMMUNICATION LINE
CHECK, OPERATION, Subaru Select Moni-
tor.>
Does “Communication Line not
Shorted” appear on the
screen?
Replace the body
integrated unit
Body Integrated
Unit.> and replace
all the ignition keys
(including tran-
sponder). Execute
the registration
procedure next.
Refer to the “REG-
ISTRATION MAN-
UAL FO R
IMMOBILIZER”.
Replace the ECM.
FU(H6DO)-32,
Engine Control
Module (ECM).>
Per fo r m th e re g is -
tration procedure
next. Refer to the
“REGISTRATION
MANUAL FOR
IMMOBILIZER”.
Step Check Yes No

Page 438 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual IM (diag)-22
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
IMMOBILIZER (DIAGNOSTICS)
E: DTC P1574 KEY COMMUNICATION FAILURE
DTC DETECTING CONDITION:
Failure of body integrated unit to verify

Page 439 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual IM (diag)-23
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
IMMOBILIZER (DIAGNOSTICS)
F: DTC P1576 EGI CONTROL MODULE EEPROM
DTC DETECTING CONDITION:
•ECM malfunctioning
•Failed to access

IM (diag)-23
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
IMMOBILIZER (DIAGNOSTICS)
F: DTC P1576 EGI CONTROL MODULE EEPROM
DTC DETECTING CONDITION:
•ECM malfunctioning
•Failed to access ROM inside ECM, while performing teaching operation on the keys.
G: DTC P1577 IMM CONTROL MODULE EEPROM
DTC DETECTING CONDITION:
•Body integrated unit malfunctioning
•Failed to access ROM inside the body integrated unit.
Step Check Yes No
1PERFORM TEACHING OPERATION OF IG-
NITION KEY.
Perfor m teaching operation on all keys of the
vehicle. Refer to the “REGISTRATION MAN-
UAL FOR IMMO BILIZER”.
Is the teaching operation for all
keys completed?
Make sure it is
possible to start
the engine with all
keys that have
been taught. This
completes the
work.
Go to step 2.
2PERFORM TEACHING OPERATION OF IG-
NITION KEY.
Perfor m teaching operation on all keys of the
vehicle. Refer to the “REGISTRATION MAN-
UAL FOR IMMO BILIZER”.
Is the teaching operation for all
keys completed?
Make sure it is
possible to start
the engine with all
keys that have
been taught. This
completes the
work.
Go to step 3.
3PERFORM TEACHING OPERATION OF IG-
NITION KEY.
Perfor m teaching operation on all keys of the
vehicle. Refer to the REGISTRATION MAN-
UAL FOR IMMO BILIZER.
Is the teaching operation for all
keys completed?
Make sure it is
possible to start
the engine with all
keys that have
been taught. This
completes the
work.
Replace the ECM.
FU(H6DO)-32,
INSTALLATION,
Engine Control
Module (ECM).>
Step Check Yes No
1PERFORM TEACHING OPERATION OF IG-
NITION KEY.
Perfor m teaching operation on all keys of the
vehicle. Refer to the “REGISTRATION MAN-
UAL FOR IMMO BILIZER”.
Is the teaching operation for all
keys completed?
Make sure it is
possible to start
the engine with all
keys that have
been taught. This
completes the
work.
Go to step 2.
2PERFORM TEACHING OPERATION OF IG-
NITION KEY.
Perfor m teaching operation on all keys of the
vehicle. Refer to the “REGISTRATION MAN-
UAL FOR IMMO BILIZER”.
Is the teaching operation for all
keys completed?
Make sure it is
possible to start
the engine with all
keys that have
been taught. This
completes the
work.
Go to step 3.
3PERFORM TEACHING OPERATION OF IG-
NITION KEY.
Perfor m teaching operation on all keys of the
vehicle. Refer to the REGISTRATION MAN-
UAL FOR IMMO BILIZER.
Is the teaching operation for all
keys completed?
Make sure it is
possible to start
the engine with all
keys that have
been taught. This
completes the
work.
Replace the body
integrated unit.
INSPECTION,
Body Integrated
Unit.>

Page 440 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual IM (diag)-24
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
IMMOBILIZER (DIAGNOSTICS)
H: DTC P1578 METER FAILURE
DTC DETECTING CONDITION:
Reference code incompatibility between body integrate

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