Subaru B9 TRIBECA WX 2007 Manual page 22

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11.GENERAL SCAN TOOL
Using general scan tools will greatly improve the ef-
ficiency of repairing engine electronic controls.
Subaru Select Monitor can be used to diagnose the
engine, VDC, airbag and other electronically con-
trolled parts.
12.AWD CIRCUIT MEASURES
Since VTD type is used in the center differential,
cut-off of AWD circuit cannot be carried out.
13.SPEEDOMETER TEST
1) Rear wheel free roller system
(1) Set the free roller on the floor of rear wheel
side securely according to the wheel base and
rear tread of the vehicle.
(2) Let the vehicle ride on the tester and free
roller gently.
CAUTION:
Fix the vehicle using a pulling metal (chain or
wire) to the front and rear towing hooks or tie-
down hook to prevent the lateral runout of front
wheels and springing out of vehicle.
(A) Free roller
(3) Set the speedometer tester.
(4) Conduct the speedometer test work.
CAUTION:
Do not suddenly accelerate or decelerate while
working.
2) Rear wheel jack-up system
(1) Set the vehicle on speedometer tester.
CAUTION:
Fix the vehicle using a pulling metal (chain or
wire) to the front and rear towing hooks or tie-
down hook to prevent the lateral runout of front
wheels and springing out of vehicle.
Note
(2) Jack up the rear wheels and set the rigid
racks to the specified locations of side sill.
(3) Conduct the speedometer test work.
CAUTION:
Do not suddenly accelerate or decelerate while
working.
14.BRAKE TEST
1) Keep the front or rear wheels on the ground dur-
ing measurement.
(A)
NT-00033
2) When the brake dragging force is large, inspect
whether there is dragging in the brake or brake
shoe.
Specifications:
Rear wheel total
Difference between
right and left
wheels
Grand total
• When measurement is difficult to carry out be-
cause both of front wheels are locked, check if
break force measurement in this condition con-
forms to standard grand total.
NT-9
(A)
(A) Rigid rack
(A)
(C)
(B)
(A) Brake tester
(B) Position for measuring front wheel
(C) Position for measuring rear wheel
Braking force
More than 10% of load on front or rear
wheels
Less than 8% of load on front or rear
wheels
More than 50% of vehicle weight at
the time of test
NOTE
NT-00034
NT-00029