AB(diag)-127
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
6CHECK AIRBAG CONTROL MODULE.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the DTC.
Is the same DTC displayed? Replace the airbag
control module.
Module.>
Go to step 7.
7CHECK ANY OTHER DTC ON DISPLAY.Is any other DTC displayed? Check DTC using
“List of Diagnostic
Tr o u b l e C o d e
(DTC)”.
of Diagnostic Trou-
ble Code (DTC).>
Finish the diagno-
sis.
Step Check Yes No
AB(diag)-130
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
6CHECK AIRBAG CONTROL MODULE.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the DTC.
Is the same DTC displayed? Replace the airbag
control module.
Module.>
Go to step 7.
7CHECK ANY OTHER DTC ON DISPLAY.Is any other DTC displayed? Check DTC using
“List of Diagnostic
Tr o u b l e C o d e
(DTC)”.
of Diagnostic Trou-
ble Code (DTC).>
Finish the diagno-
sis.
Step Check Yes No
AB(diag)-132
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
Step Check Yes No
1CHECK POOR CONTACT OF CONNEC-
TORS.
Check for poor contact of the connectors
between the airbag control module, curtain air-
bag module RH and the curtain airbag sensor
RH.
Is there poor contact? Replace the airbag
rear harness RH
with body harness.
Go to step 2.
2CHECK CURTAIN AIRBAG MODULE.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Disconnect the connector (AB33) from
(AB40), and connect the connector (1F) in test
harness F to connector (AB33).
3) Connect the airbag resistor to the connec-
tor (3F) of test harness F.
4) Connect the battery ground terminal and
turn the ignition switch to ON.
Does the airbag warning light
illuminate for 6 seconds and go
off?
Replace the cur-
tain airbag mod-
ule (RH).
bag Module.>
Go to step 3.
3CHECK AIRBAG REAR HARNESS RH (CUR-
TAIN AIRBAG MODULE HARNESS RH).
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Disconnect the connector (AB26) from seat
belt pretensioner (RH).
3) Disconnect the connector (AB24) from side
airbag module (RH).
4) Disconnect the airbag resistor from test
harness F.
5) Disconnect the connector (AB18) from air-
bag control module.
6) Connect the connector (1U) in the test har-
ness U to connector (AB18).
7) Connect the battery ground terminal and
turn the ignition switch to ON.
8) Measure the voltage between connector
(5U) in the test harness U and chassis ground.
Connector & terminal
(5U) No. 6 (+) — Chassis ground (–):
(5U) No. 8 (+) — Chassis ground (–):
Is the voltage less than 1 V? Go to step 4.Replace the airbag
rear harness RH
with body harness.
4CHECK AIRBAG CONTROL MODULE.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the DTC.
Is the same DTC displayed? Replace the airbag
control module.
Module.>
Go to step 5.
5CHECK ANY OTHER DTC ON DISPLAY.Is any other DTC displayed? Check DTC using
“List of Diagnostic
Tr o u b l e C o d e
(DTC)”.
of Diagnostic Trou-
ble Code (DTC).>
Finish the diagno-
sis.
AB(diag)-134
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
Step Check Yes No
1CHECK POOR CONTACT OF CONNEC-
TORS.
Check for poor contact of the connectors
between the airbag control module, curtain air-
bag module LH and the curtain airbag sensor
LH.
Is there poor contact? Replace the airbag
rear harness LH
with the body har-
ness.
Go to step 2.
2CHECK SIDE AIRBAG MODULE.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Disconnect the connector (AB31) from
(AB39), and connect the connector (1F) in test
harness F to connector (AB31).
3) Connect the airbag resistor to the connec-
tor (3F) of test harness F.
4) Connect the battery ground terminal and
turn the ignition switch to ON.
Does the airbag warning light
illuminate for 6 seconds and go
off?
Replace the cur-
tain airbag mod-
ule (LH).
bag Module.>
Go to step 3.
3CHECK AIRBAG REAR HARNESS LH (CUR-
TAIN AIRBAG MODULE HARNESS LH).
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Disconnect the connector (AB21) from seat
belt pretensioner (LH).
3) Disconnect the connector (AB19) from side
airbag module (LH).
4) Disconnect the airbag resistor from test
harness F.
5) Disconnect the connector (AB17) from air-
bag control module.
6) Connect the connector (1U) in the test har-
ness U to connector (AB17).
7) Connect the battery ground terminal and
turn the ignition switch to ON.
8) Measure the voltage between connector
(5U) in the test harness U and chassis ground.
Connector & terminal
(5U) No. 1 (+) — Chassis ground (–):
(5U) No. 3 (+) — Chassis ground (–):
Is the voltage less than 1 V? Go to step 4.Replace the airbag
rear harness LH
with the body har-
ness.
4CHECK AIRBAG CONTROL MODULE.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the DTC.
Is the same DTC displayed? Replace the airbag
control module.
Module.>
Go to step 5.
5CHECK ANY OTHER DTC ON DISPLAY.Is any other DTC displayed? Check DTC using
“List of Diagnostic
Tr o u b l e C o d e
(DTC)”.
of Diagnostic Trou-
ble Code (DTC).>
Finish the diagno-
sis.
CC(ETC)(diag)-2
Basic Diagnostic Procedure
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
1. Basic Diagnostic Procedure
A: PROCEDURE
Step Check Yes No
1CHECK MALFUNCTION INDICATOR LIGHT.
1) Start the engine.
2) Make sure the malfunction indicator light
illuminates.
Does the malfunction indicator
light illuminate?
Go to step 5.Go to step 2.
2CHECK CRUISE INDICATOR LIGHT.
Make sure the cruise indicator light blinks.
Does the cruise indicator light
blink?
Go to step 5.Go to step 3.
3CHECK CRUISE CONTROL MAIN SWITCH
OPERATION.
Check cruise control main switch operation.
(Ensure the cruise indicator light illuminates.)
Is the cruise control main
switch tur ned on? (Does the
cruise indicator light illumi-
nate?)
Go to step 4.Go to phenome-
non 1.
DIAGNOSTIC
PROCEDURE
WITH PHENOME-
NON, Diagnostics
with Phenome-
non.>
4CHECK CRUISE CONTROL SET OPERA-
TION.
Check the cruise control setting operation.
Can the cruise control be set
while driving at more than 40
km/h (25 MPH)?
Go to step 6.Go to step 5.
5PERFORM CRUISE CONTROL CANCEL
CONDITIONS DIAGNOSIS.
Perfor m the cr uise control cancel conditions
diagnosis.
SIS, OPERATION, Subaru Select Monitor.>
Is DTC displayed? Go to “List of Diag-
nostic Trouble
Code (DTC)”.
11, List of Diag-
nostic Trouble
Code (DTC).>
Go to phenome-
non 2.
DIAGNOSTIC
PROCEDURE
WITH PHENOME-
NON, Diagnostics
with Phenome-
non.>
6CHECK CRUISE SET INDICATOR LIGHT.
Make sure the cruise set indicator light illumi-
nates.
Does the cruise set indicator
light illuminate?
Go to step 7.Go to phenome-
non 3.
DIAGNOSTIC
PROCEDURE
WITH PHENOME-
NON, Diagnostics
with Phenome-
non.>
7CHECK VEHICLE SPEED IS HELD WITHIN
SET SPEED.
Make sure the vehicle speed is held within set
speed.
Is the vehicle speed kept within
setting speed ±3 km/h (±2
MPH)? (Make sure that on a
level road.)
Go to step 8.Go to phenome-
non 4.
DIAGNOSTIC
PROCEDURE
WITH PHENOME-
NON, Diagnostics
with Phenome-
non.>
8CHECK RESUME/ACCEL OPERATION.
Check the RESUME/ACCEL switch operation.
Does the vehicle speed
increase or return to set speed
after RESUME/ACCEL switch
has been pressed?
Go to step 9.Go to phenome-
non 5.
DIAGNOSTIC
PROCEDURE
WITH PHENOME-
NON, Diagnostics
with Phenome-
non.>
CC(ETC)(diag)-8
Subaru Select Monitor
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
6) Turn the Subaru Select Monitor switch to ON.
7) On the «Main Menu», select the {2. Each Sys-
tem Check} and press the [YES] key.
On the system selection display screen, select the
{Engine} and press the [YES] key. Press the [YES]
key after the information of engine type is dis-
played.
8) Drive vehicle at least 40 km/h (25 MPH) and set
the cruise control.
9) When the cruise speed is canceled by itself
(without any cancel operations), DTC will be dis-
played on the screen after selecting the {Check
Cancel Code} and pressing the [YES] key on the
engine malfunction diagnosis screen.
CAUTION:
•When performing diagnosis, observe the le-
gal speed limit on the road.
•DTC will be also displayed when cruise con-
trol is cancelled by driver. Do not confuse them.
•Get an assistant in the vehicle for help of di-
agnosis while driving.
NOTE:
DTC will be cleared by turning ignition switch or
cruise control main switch to OFF.
3. REAL-TIME DIAGNOSIS
1) Connect the Subaru Select Monitor.
2) Turn the ignition switch and cruise control main
switch to ON.
3) Turn the Subaru Select Monitor switch to ON.
4) On the «Main Menu», select the {2. Each Sys-
tem Check} and press the [YES] key.
5) On the «System Selection» display screen, se-
lect the {Engine} and press the [YES] key.
6) Press the [YES] key after the information of en-
gine type is displayed.
7) On the «Cruise Control Diagnosis» display
screen, select the {Current Data Display/Save},
and then press the [YES] key.
8) Make sure that normal display is shown when
operated as follows:
•Depress and release the brake pedal. (Stop light
switch and brake switch turn ON.)
•Turn the main switch to ON.
•Turn the «CANCEL» switch to ON.
•Turn the «SET/COAST» switch to ON.
•Turn the «RESUME/ACCEL» switch to ON.
•Depress or release the clutch pedal.
•Place the shift lever in any position other than
neutral.
NOTE:
•For details concerning operation procedure, re-
fer to the “SUBARU SELECT MONITOR OPERA-
TION MANUAL”.
•Refer to “List of Diagnostic Trouble Code (DTC)”
for DTC.
(1) Power switch
CC-00045
(1)
CC(ETC)(diag)-10
Diagnostics with Phenomenon
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
B: CHECK CRUISE INDICATOR LIGHT AND CRUISE SET INDICATOR LIGHT.
TROUBLE SYMPTOM:
Cruise control can be set, but the cruise indicator light and cruise set indicator light do not illuminate.
Step Check Yes No
1CHECK CRUISE INDICATOR LIGHT AND
CRUISE SET INDICATOR LIGHT.
1) Perform the self-diagnosis of combination
meter.
2) Check the cruise indicator light and cruise
set indicator light if they illuminate.
Do the cruise indicator light &
cruise set indicator light illumi-
nate?
Go to step 2.Replace the meter
case assembly.
Meter.>
2CHECK LAN COMMUNICATION CIRCUIT
ERROR DISPLAY
1) Complete self-diagnosis, and turn the igni-
tion switch to ON again.
2) Check if the communication error is dis-
played on the odo/trip meter in combination
meter.
Is the error code “Er xx” dis-
played on odo/trip meter?
Check the LAN
communication cir-
cuit.
Diagnostic Proce-
dure.>
Replace the ECM.
Engine Control
Module (ECM).>
CC(ETC)(diag)-11
List of Diagnostic Trouble Code (DTC)
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
7. List of Diagnostic Trouble Code (DTC)
A: LIST
DTC Item Contents of diagnosis Reference
11 Main switch Main switch of cruise control command
switch is tur ned to OFF, and then the cr uise
control is released.
This DTC is displayed without operating the
main switch.
COMMAND SWITCH, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
12 Stop and brake switch Stop light switch or brake switch is turned to
ON, and then the cruise control is released.
This DTC is displayed without depressing
the brake pedal.
AND BRAKE SWITCH, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
14 Neutral switch Neutral position switch is turned to ON, and
then the cruise control is released.
This DTC is displayed without shifting to
neutral position.
Diagnostic Procedure with Diagnostic Trou-
ble Code (DTC).>
15 Cancel switch Cancel switch is turned to ON, and then the
cruise control is released.
This DTC is displayed without operating the
cancel switch.
COMMAND SWITCH, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
16 Ignition switch Ignition switch is turned to OFF, and then the
cruise control is released.
This DTC is displayed without operating the
ignition switch.
Procedure with Diagnostic Trouble Code
(DTC).>
21 Cruise control switch mal-
function when ignition
switch is tur ned to ON
When the ignition switch is turned to ON,
each switch of cruise control command
switch is already tur ned to ON.
This DTC is displayed without operating the
main switch.
COMMAND SWITCH, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
22 Vehicle speed variation
malfunction
Malfunction of vehicle speed signal variation
is detected.
Procedure with Diagnostic Trouble Code
(DTC).>
23 Engine related sensor
malfunction
Malfunction related to engine is detected.
24 Cruise control related
switch malfunction
Command switch malfunction is detected.
(While the switch is pressed ON for an
abnormally long time (approximately two
minutes), open circuit is detected.)
This DTC is displayed with normal opera-
tion.
MAND SWITCH, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
25 Brake switch input circuit
malfunction
Malfunction of brake switch input circuit in
ECM is detected.
SWITCH, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
26 Engine speed signal • Abnormal increase of engine speed is
detected.
•Gear is placed in Neutral, 1st or Reverse
position.
Cruise in more than 2nd shift position.