Subaru IMPREZA 2002 Service Manual page 97

I
GENERAL DESCRIPTION
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
3. General Description
A: CAUTION
Supplemental Restraint System "Airbag"
The airbag system wiring harness is routed near
the transmission control module (TCM).
CAUTION:
All airbag system wiring harness and con-
nectors are colored yellow. Do not use electri-
cal test equipment on these circuit.
Be careful not to damage the airbag system
wiring harness when performing diagnostics
and servicing the TCM.
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 the pin more
than 6.5 mm (0.256 in).
a:
INSPECTION
1. BATTERY
Measure the battery voltage and specific gravity of
electrolyte.
Standard voltage: 12V or more
Specific gravity: Above 1.260
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 . 4 ff-lb)
TR0373
3. ATFLEVEL
Make sure the ATF level is in the specification.
B3M0173B
(A) Upper level
(B) Lower level
4. FRONT DIFFERENTIAL OIL LEVEL
Make sure the front differential oil level is in the
specification.
B3M01748
(A) Upper level
(B) Lower level
5. OPERATION OF SHIFT SELECT LEVER
Make sure there is no abnormal noise, dragging or
contact pattern in each select lever range.
WARNING:
Stop the engine while checking operation of the
selector lever.
AT-5