Lexus SC300 / Lexus SC400. Manual — part 397

15. DISCONNECT ENGINE WIRE CONNECTORS

16. DISCONNECT THEFT DETERRENT HORN CONNECTOR

17. DISCONNECT GROUND CABLE FROM BODY

18. DISCONNECT PS SOLENOID VALVE CONNECTOR

19. DISCONNECT WIRE CLAMP (FOR ALTERNATOR) FROM

VSV (FOR EVAP SYSTEM)
(a) Remove the two bolts, and disconnect the VSV from the

RH cylinder head.

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

20. REMOVE

ALTERNATOR

(a) Disconnect the alternator connector.
(b) Remove the cap and nut, and disconnect the alternator

wire.

(c) Remove the mounting bolt and nut.
(d) Disconnect the A/T oil cooler pipe bracket.
(e) Remove the alternator.

21. DISCONNECT PS TUBES FROM SUSPENSION

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

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ENGINE MECHANICAL

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22. DISCONNECT PS RESERVOIR TANK AND BRACKET

FROM BODY
Remove the three bolts, and disconnect the reservoir tank
and bracket assembly.

23. DISCONNECT PS PUMP FROM ENGINE

Remove the three pump bolts and nut, and disconnect the PS
pump.
HINT: Put aside the PS pump, and suspend it.

24. DISCONNECT A/C COMPRESSOR

(a) Disconnect the compressor connector.
(b) Remove the mounting nut, and disconnect the ground

cable.

(c) Remove the mounting bolt and compressor stay.

(d) Remove the two mounting bolts, and disconnect the

compressor from the engine.

HINT: Put aside the compressor, and suspend it.

25. DISCONNECT HOSES AND GROUND STRAP

Disconnect the following hose and ground strap:

(1) Heater water hose from water by–pass pipe
(2) Heater water hose from heater water valve
(3) Vacuum hose from brake booster union on air in-

take chamber

(4) Vacuum hose (from VSV for heater water valve)

from air intake chamber

(5) Ground strap from bracket on body

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(6) Two fuel hoses from fuel tubes.

Plug the hose end.

26. REMOVE CHARCOAL CANISTER

(a) Disconnect the vacuum hose and air hose from the

charcoal canister.

(b) Remove the charcoal canister.

27. DISCONNECT ENGINE WIRE FROM CABIN

(a) Remove the two clips, and pull out the instrument panel

under cover.

(b) Remove the four mounting 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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(e) Take out the front side of the floor carpet.
(f) Remove the two nuts and ECU protector.

(g) Remove

the nut, and disconnect the engine & ECT ECU

from the floor panel.

(h) Disconnect the following connectors:

(1) Two connectors from engine & ECT ECU
(2) Connector from ABS & TRAC ECU
(3) Two connectors from TRAC ECU
(4) Four connectors from connector cassette
(5) Connector from A/C control assembly

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