Impreza WRX Wagon F4-2.0L DOHC Turbo (2002)
NOTE:
A)
Do not insert anything into the gap between the ECU and the hydraulic unit.
B)
Do not pry off the ECU, but pull it straight out from the hydraulic unit.
C)
Do not reuse the seal from the ECU.
Installation of new ECU
1)
Confirm that the sealing surface of the hydraulic unit is clean.
NOTE:
A)
Do not machine the sealing surface.
B)
If the sealing surface is damaged, replace not only ECU but also the hydraulic unit and the ECU assembly with new one.
C)
Clean dust or foreign material from the sealing surface with a clean cloth and alcohol.
D)
Do not blow compressed air onto the ECU surface or the hydraulic unit.
2)
In order to prevent damage on the valves protruding from the hydraulic unit, do not tilt the ECU against the hydraulic unit when assembling.
3)
Install the new ECU.
4)
Temporarily tighten 6 new screws by hand.
NOTE:
Do not reuse the screws that were previously removed from the ECU. Only use the new screws provided in the kit.
5)
Tighten the 6 screws in the exact order shown in Figure 2; use the specified tightening torque of 2.65 +/- 0.30Nm (1.95 +/- 0.22 ft-lbs) (26.4
inch-lbs).
6)
Check if the screws are securely tightened by confirming that there is no visable clearance between the ECU and the hydraulic unit.
7)
Connect the motor power source connector to ECU.
NOTE:
Confirm that you hear a clicking sound when locking the connector lock.
8)
Install the hydraulic unit and the ECU assembly onto the bracket and tighten the two nuts with a tightening torque of 18 +/- 5Nm (13.28 +/- 3.69
ft-lbs) (44.28 inch-lbs).
NOTE:
Attach the damper under the hydraulic unit with the hydraulic unit and the bracket securely.
9)
Reconnect the ECU harness connector with the ECU.
Restoration of surrounding parts
1)
Install the air cleaner case.
2)
Install the air intake duct.
Testing after replacement
1)
Confirm that the ABS warning lamp light comes on normally and then turns off when the ignition switch is turned on.
NOTE: