Subaru Legacy (2005 year). Service manual — part 881
AC(diag)-41
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
Diagnostics with Phenomenon
9. Diagnostics with Phenomenon
A: INSPECTION
Symptom
Problem parts
A/C system fails to operate.
• Fuse (M/B No. 8, F/B No. 22, 31)
• Connector (Poor contact)
• Ground
• Auto A/C control module
• Blower fan motor
• Blower fan relay
• A/C Relay
• Compressor (Magnet clutch)
• Compressor (Lock sensor): 3.0 L model
• Evaporator sensor
Fuse is blown out.
• Fuse (M/B No. 8, F/B No. 22, 31)
• Connector (Poor contact)
Illumination cannot dim.
• Fuse (M/B No. 8, F/B No. 22, 31)
• Connector (Poor contact)
• Auto A/C control module
Blower fan does not rotate or fan speed cannot be controlled.
• Fuse (M/B No. 8, F/B No. 22, 31)
• Connector (Poor contact)
• Ground
• Auto A/C control module
• Blower fan motor
• Blower fan relay
Unable to switch suction vents.
• Connector (Poor contact)
• Auto A/C control module
• Intake door actuator
Unable to switch blow vents.
• Connector (Poor contact)
• Auto A/C control module
• Mode door actuator
Compartment temperature does not increase. (No hot air is dis-
charged.)
• Connector (Poor contact)
• Auto A/C control module
• Air mix door actuator
• In-vehicle sensor, ambient sensor, evaporator sensor and
sunload sensor
• In-vehicle sensor aspirator hose
Compartment temperature does not decrease. (No cool air is
discharged.)
• Connector (Poor contact)
• Auto A/C control module
• Air mix door actuator
• A/C Relay
• Compressor (Magnet clutch)
• Radiator fan motor
• Radiator fan relay
• In-vehicle sensor, ambient sensor, evaporator sensor and
sunload sensor
• In-vehicle sensor aspirator hose
Compartment temperature is higher or lower than setting tem-
perature.
• Auto A/C control module
• Air mix door actuator
• In-vehicle sensor, ambient sensor, evaporator sensor and
sunload sensor
• In-vehicle sensor aspirator hose
Compartment temperature does not quickly respond to setting
temperature.
• Air mix door actuator
• In-vehicle sensor, ambient sensor, evaporator sensor and
sunload sensor
• In-vehicle sensor aspirator hose
Radiator fan does not rotate during A/C operation.
• Radiator fan motor
• Radiator fan relay
AC(diag)-42
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
Diagnostics with Phenomenon
AIRBAG SYSTEM
AB
Page
General Description . . . . . . . . . . . . . . . . . . . . . 2
Airbag Connector . . . . . . . . . . . . . . . . . . . . . ..11
Inspection Locations After a Collision . . . . . . . . . . . . . ...14
Driver’s Airbag Module. . . . . . . . . . . . . . . . . . . ..16
Passenger’s Airbag Module . . . . . . . . . . . . . . . . . ..17
Side Airbag Module. . . . . . . . . . . . . . . . . . . . ...18
Curtain Airbag Module . . . . . . . . . . . . . . . . . . . ..20
Airbag Control Module . . . . . . . . . . . . . . . . . . . ..22
Side Airbag Sensor . . . . . . . . . . . . . . . . . . . . ...23
Curtain Airbag Sensor. . . . . . . . . . . . . . . . . . . ...24
Roll Connector . . . . . . . . . . . . . . . . . . . . . . ..25
Front Sub Sensor . . . . . . . . . . . . . . . . . . . . . ..26
Airbag Module Disposal (Deployment Processing on Vehicle) . . . . .27
Airbag Module Disposal (Deployment Processing After Removal from Vehicle)...32
AB-2
AIRBAG SYSTEM
General Description
1. General Description
A: COMPONENT
1. DRIVER’S AIRBAG MODULE
Tightening torque:
10 N
⋅
m (1.0 kgf-m, 7.2 ft-lb)
2. PASSENGER’S AIRBAG MODULE
Tightening torque:
7.4 N
⋅
m (0.75 kgf-m, 5.5 ft-lb)
3. SIDE AIRBAG MODULE
Tightening torque:
6 N
⋅
m (0.61 kgf-m, 4.4 ft-lb)
4. CURTAIN AIRBAG MODULE
• Sedan model
• Wagon model
Tightening torque:
7.5 N
⋅
m (0.77 kgf-m, 5.5 ft-lb)
5. AIRBAG CONTROL MODULE
Tightening torque:
25 N
⋅
m (2.5 kgf-m, 18.1 ft-lb)
CAUTION:
Do not reuse mounting bolts and nuts.
AB-00752
T
T
AB-00753
T
AB-00754
T
(A) Bolt
(B) Clip
(A) Bolt
(B) Clip
(A) Bolt
(A)
(A)
(A)
(A)
(A)
(A)
(A)
(B)
(B)
AB-00625
AB-00626
(A)
(A)
(A)
(A)
(A)
(B)
(B)
(A)
(A)
(A)
(A)
AB-01193
T
(A)
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