Supplemental Restraint System - Subaru LEGACY 2006 Manual

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3. General Description
A: CAUTION

1. SUPPLEMENTAL RESTRAINT SYSTEM

"AIRBAG"
Airbag system wiring harness is routed near the
ABS wheel speed sensor and VDCCM&H/U.
CAUTION:
• All airbag system wiring harness and con-
nectors are colored yellow. Do not use the elec-
trical test equipment on these circuits.
• Be careful not to damage the airbag system
wiring harness when servicing the ABS wheel
speed sensor and VDCCM&H/U.
B: INSPECTION
Before performing diagnosis, check the following
items which might affect VDC problems.
1. BATTERY
Measure the battery voltage and check electrolyte.
Standard voltage: 12 V or more
Specific gravity: 1.260 or more
2. GROUND
Check the tightening torque of ground (GB-7) bolt
of VDC.
Tightening torque:
13 N·m (1.3 kgf-m, 9.6 ft-lb)
3. BRAKE FLUID
1) Check the brake fluid level.
2) Check the brake fluid for leaks.
4. HYDRAULIC UNIT
Check the hydraulic unit.
• With brake tester <Ref. to VDC-8, CHECKING
THE HYDRAULIC UNIT ABS OPERATION WITH
THE BRAKE TESTER, INSPECTION, VDC Con-
trol Module and Hydraulic Control Unit (VDC-
CM&H/U).>
• Without brake tester <Ref. to VDC-8, CHECK-
ING THE HYDRAULIC UNIT ABS OPERATION
BY PRESSURE GAUGE, INSPECTION, VDC
Control Module and Hydraulic Control Unit (VDC-
CM&H/U).>
5. BRAKE DRAG
Check for brake drag.
General Description
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
6. BRAKE PAD AND ROTOR
Check the brake pad and rotor.
• Front <Ref. to BR-15, INSPECTION, Front Brake
Pad.> <Ref. to BR-16, INSPECTION, Front Disc
Rotor.>
• Rear <Ref. to BR-21, INSPECTION, Rear Brake
Pad.> <Ref. to BR-22, INSPECTION, Rear Disc
Rotor.>
7. TIRE
Check the tire specifications, tire wear and air pres-
sure. <Ref. to WT-2, SPECIFICATION, General
Description.>
VDC(diag)-9