Subaru 2009 IMPREZA Service Manual page 1990

3. General Description
A: CAUTION
1. SUPPLEMENTAL RESTRAINT SYSTEM
"AIRBAG"
The airbag system wiring harness is routed near
the TCM.
CAUTION:
• All the airbag system wiring harnesses and
connectors are colored yellow. Do not use an
electric test equipment to check these circuits.
• Be careful not to damage the airbag system
wiring harness when performing diagnostics or
servicing the TCM.
2. MEASUREMENT
When measuring the voltage and resistance of the
ECM, TCM or each sensor, use a tapered pin with
a diameter of less than 0.64 mm (0.025 in) in order
to avoid poor contact. Do not insert a pin of more
than 0.65 mm (0.026 in) diameter.
B: INSPECTION
1. BATTERY
Measure the battery voltage and specific gravity of
the electrolyte.
Standard voltage: 12 V or more
Specific gravity: 1.260 or more
2. TRANSMISSION GROUND
Make sure that the ground terminal bolt is tightened
securely.
Chassis side
Tightening torque:
13 N·m (1.3 kgf-m, 9.6 ft-lb)
General Description
3. ATF LEVEL
Make sure that ATF level is the specified amount.
<Ref. to 4AT-27, INSPECTION, Automatic Trans-
mission Fluid.>
4. FRONT DIFFERENTIAL OIL LEVEL
Make sure the front differential oil level is the spec-
ified amount. <Ref. to 4AT-29, INSPECTION, Dif-
ferential Gear Oil.>
5. OPERATION OF SELECT LEVER
Make sure there is no noise, dragging or contact
pattern in each select lever range.
WARNING:
Stop the engine while checking operation of the
select lever.
AT-01464
4AT(diag)-5
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
(A)
(A) Oil level gauge
(B) Inspection position when "HOT"
(C) Upper level
(D) Lower level
(E) Inspection position when "COLD"
(A)
(A)
(B)
(C)
(A) Oil level gauge
(B) Upper level
(C) Lower level
(C)
(B)
(D)
(C)
(E)
(D)
AT-04841
AT-04863