Lexus SC300 / Lexus SC400. Manual — part 380

15. DISCONNECT ENGINE WIRE CONNECTORS
16. DISCONNECT THEFT DETERRENT HORN CONNECTOR
17. DISCONNECT GROUND CABLE FROM BODY

18. DISCONNECT POWER STEERING (PS) SOLENOID

VALVE CONNECTOR

19. DISCONNECT WIRE CLAMP (FOR GENERATOR)

FROM VSV (FOR EVAP)

(a) Remove the 2 bolts, and disconnect the VSV from the RH

cylinder head.

(b) Disconnect the wire clamp from the VSV bracket.

20. REMOVE GENERATOR
(a) Disconnect the generator connector.
(b) Remove the cap and nut, and disconnect the generator wire.
(c) Remove the bolt, and disconnect the transmission oil cooler

pipe bracket from the generator.

(d) Remove the nut and generator.

21. DISCONNECT POWER STEERING (PS) TUBES FROM

SUSPENSION CROSSMEMBER
Remove the clamp bolt, and disconnect the PS tubes.

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1UZ–FE ENGINE

ENGINE MECHANICAL

EG–143

22. DISCONNECT POWER STEERING (PS) RESERVOIR

TANK AND BRACKET FROM BODY
Remove the 3 bolts, and disconnect the reservoir tank and
bracket assembly.

23. DISCONNECT POWER STEERING (PS) PUMP FROM

ENGINE
Remove the nut and 3 bolts, and disconnect the PS pump
from the engine.
HINT: Put aside the PS pump, and suspend it.

24. DISCONNECT AIR CONDITIONING (A/C)

COMPRESSOR FROM ENGINE

(a) Disconnect the A/C compressor connector.
(b) Remove the nut, and disconnect the ground cable from the

A/C compressor stay.

(c) Remove the bolt and A/C compressor stay.

(d) Remove the 2 bolts, and disconnect the A/C compressor

from the engine.
HINT: Put aside the A/C compressor, and suspend it.

25. DISCONNECT HOSES

Disconnect the following hoses and ground strap:
(1)

Heater water hose from water bypass hose

(2)

Heater water hose from heater water valve

(3)

Brake booster hose from union on air intake chamber

(4)

Vacuum hose (from VSV for heater water valve) from air
intake chamber

(5)

Ground strap from bracket on body.

EG–144

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1UZ–FE ENGINE

ENGINE MECHANICAL

(6) Fuel inlet hose from fuel tube
(7) Fuel return hose from return pipe
HINT: Plug the hose ends.

26. REMOVE CHARCOAL CANISTER
(a) Disconnect the vacuum hose and air hose from from the

charcoal canister.

(b) Remove the charcoal canister.

27. DISCONNECT ENGINE WIRE FROM CABIN
(a) Remove the 2 clips, and pull out the instrument panel under

cover.

(b) Remove the 4 screws.
(c) Disconnect

the connectors, and remove the lower instrument

panel finish panel and glove compartment door assembly.

(d) Pull out the scuff plate.

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1UZ–FE ENGINE

ENGINE MECHANICAL

EG–145

(e) Take out the front side of the floor carpet.
(f) Remove the 2 nuts and ECM protector.

(g) Remove the nut, and disconnect the ECM from the floor

panel.

(h) Disconnect the following connectors:

(1)

2 connectors from ECM

(2)

Connector from ABS & TRAC ECU

(3) 2 connectors from TRAC ECU
(4)

4 connectors from connector cassette

(5)

Connector from A/C control assembly

EG–146

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1UZ–FE ENGINE

ENGINE MECHANICAL