Page 157 of 2453

AB(diag)-133
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
AV:DTC 96 CURTAIN AIRBAG MODULE LH FAILURE
DTC DETECTING CONDITION:
•Curtain airbag harness (LH) is shorted to power supply.
•Airbag control module is faulty.
CAUTION:
•Before diagnosing the airbag system, be sure to turn the ignition switch to OFF, disconnect the
ground terminal from battery, and wait more than 20 seconds before starting to work.
•After replacing the airbag module, seat belt pretensioner, roll connector, control module and sen-
sor, reconnect each part and confirm that the warning light operates properly.
•When inspecting the airbag main harness, disconnect the airbag module connectors of driver's
and passenger's seats for safety reasons.
•When inspecting the airbag rear harness, disconnect the side airbag module connector, curtain
airbag module connector and seat belt pretensioner connector for safety reasons.
WIRING DIAGRAM:
AB-00672
AB3212
1112
AB31
AB39
1511413
3412
AB31
12
AB17
AB17
789101112
13141516171819
56
20
1234
AIRBAG CONTROL MODULE
INFLATOR(CURTAIN LH)
CURTAIN AIRBAGSENSOR LH
AB32
1234
Page 158 of 2453

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).
AB-19, Curtain Air-
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.
Airbag Control
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)”.
AB(diag)-45, List
of Diagnostic Trou-
ble Code (DTC).>
Finish the diagno-
sis.
Page 159 of 2453
COM-2
General Description
COMMUNICATION SYSTEM
1. General Description
A: CAUTION
•Before disassembling or reassembling parts, al-
ways disconnect the battery ground cable from bat-
tery. When replacing the audio, control module and
other parts provided with memory functions, record
the memory contents before disconnecting the bat-
tery ground cable. Otherwise, the memory is
cleared.
•Reassemble the parts in the reverse order of dis-
assembly procedure unless otherwise indicated.
•Adjust parts to the given specifications.
•Connect the connectors securely during reas-
sembly.
•After reassembly, make sure functional parts op-
erate smoothly.
B: PREPARATION TOOL
1. GENERAL TOOL
TOOL NAME REMARKS
Circuit Tester Used for measuring resistance and
voltage.
TO RX® BIT T30Used for removing/installing driver’s
airbag module.
Page 161 of 2453
COM-4
Horn
COMMUNICATION SYSTEM
3. Horn
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the left and right headlight assemblies.
3) Remove the horn bracket mounting bolt (A).
4) Disconnect the harness connector and remove
the horn assembly (B).
B: INSTALLATION
Install in the reverse order of removal.
C: INSPECTION
With 12 V direct current supplied between horn ter-
minals, check that the horn sounds properly.
COM00041
(A)(A)
(B)(B)
COM00020
Page 165 of 2453
CC-3
General Description
CRUISE CONTROL SYSTEM
B: CAUTION
•Before disassembling or reassembling parts, al-
ways disconnect the battery ground cable from bat-
tery. When repairing the audio, control module, etc.
which are provided with memory functions, record
the memory contents before disconnecting the
ground cable from battery. Otherwise, the memory
will be cleared.
•Reassemble the parts in the reverse order of dis-
assembly unless otherwise indicated.
•Adjust the parts to specifications specified in this
manual.
•Connect the connectors securely during reas-
sembly.
•After reassembly, ensure functional parts oper-
ate properly.
C: PREPARATION TOOL
TOOL NAME REMARKS
Circuit tester Used for measuring resis-
tance and voltage.
Page 167 of 2453

CC-5
Cruise Control Command Switch
CRUISE CONTROL SYSTEM
3. Cruise Control Command
Switch
A: REMOVAL
CAUTION:
Before servicing, be sure to read the notes in
the “AB” section for proper handling of the
driver’s airbag module.
TION, General Description.>
1) Set the front wheels in straight ahead position.
2) Turn the ignition switch to OFF.
3) Disconnect the ground cable from battery and
wait for at least 20 seconds before starting work.
4) Using TORX® BIT T30 (1), loosen two TORX®
bolts which secure the driver’s airbag module.
5) Disconnect the airbag module connector on
back of the airbag module.
6) Remove the steering wheel.
MOVAL, Steering Wheel.>
7) Remove the four screws to remove the lower
cover from steering wheel.
8) Remove one screw to remove the cruise control
command switch from lower cover.
B: INSTALLATION
Install in the reverse order of removal.
C: INSPECTION
Measure the cruise control command switch resis-
tance.
If NG, replace the cruise control command switch.
CC-00018
(1)
CC-00181
Switch Area Terminal No. Standard
CANCEL
SET/COAST
RESUME/
ACCEL
All OFF 2 and 3 Approx. 4 kΩ
CANCEL ON 2 and 3 Less than 1 Ω
SET/COAST ON 2 and 3Approximately
250 Ω
RESUME/
ACCELON 2 and 3Approximately
1500 Ω
MAINOFF 1 and 2 1 MΩ or more
ON 1 and 2 Less than 1 Ω
CC-00182
CC-00252
231
Page 168 of 2453
CC-6
Stop Light and Brake Switch
CRUISE CONTROL SYSTEM
4. Stop Light and Brake Switch
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Disconnect the connector from the stop light &
brake switch, and then remove the switch.
BR-37, REMOVAL, Stop Light Switch.>
B: INSTALLATION
Install in the reverse order of removal.
C: INSPECTION
Measure the resistance of brake switch (A) and
stop light switch (B).
If NG, replace the stop light & brake switch.
Switch Pedal Terminal No. Standard
BrakeReleased 1 and 4 Less than 1 Ω
Depressed 1 and 4 1 MΩ or more
Stop lightReleased 2 and 3 1 MΩ or more
Depressed 2 and 3 Less than 1 Ω
CC-00022
1234
(A)
(B)
3214
Page 171 of 2453
CC(ETC)(diag)-4
General Description
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
2. General Description
A: CAUTION
Airbag system wiring harness is routed near the cruise control command switch.
CAUTION:
•All airbag system wiring harnesses and connectors are colored yellow. Do not use electrical test
equipment on these circuits.
•Be careful not to damage the airbag system wiring harness when servicing the cruise control com-
mand switch.
B: PREPARATION TOOL
1. SPECIAL TOOL
2. GENERAL TOOL
C: INSPECTION
Measure the battery voltage and specific gravity of electrolyte.
Standard voltage:
12 V or more
Specific gravity:
1.260 or more
ILLUSTRATION TOOL NUMBER DESCRIPTION REMARKS
18482AA010 CARTRIDGE Troubleshooting for electrical system.
22771AA030 SUBARU SELECT
MONITOR KIT
Tr o u b l e s h o o t i n g f o r e l e c t r i c a l s y s t e m .
TOOL NAME REMARKS
Circuit tester Used for measuring resistance, voltage and current.
ST18482AA010
ST22771AA030