Lexus SC300 / Lexus SC400. Manual — part 409

(c) Connect the following connectors:

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

(d) Install the engine & ECT ECU with the nut.

(e) Install the ECU protector with the two nuts.
(f) Install the floor carpet.

EM–170

–

ENGINE MECHANICAL

Cylinder Block

(g) Install the scuff plate.

(h) Connect the connectors.
(i)

Install the lower instrument panel finish panel and glove
compartment door assembly with the four screws.

(j) Install the instrument panel under cover with the two

clips.

12. INSTALL CHARCOAL CANISTER

(a) Install the charcoal canister.
(b) Connect the vacuum hose and air hose to the charcoal

canister.

13. CONNECT HOSES

Connect the following hose and ground strap:

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

chamber

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

air intake chamber

(5) Ground strap to bracket on body

–

ENGINE MECHANICAL

Cylinder Block

EM–171

(6) Two fuel hoses to fuel tubes

14. INSTALL A/C COMPRESSOR

(a) Install

the A/C compressor,

compressor

stay

and

ground cable with the nut and three bolts.

Torque: Bolt 49 N

⋅

m (500 kgf

⋅

cm, 36 ft

⋅

lbf)

Nut 29 N

⋅

m (300 kgf

⋅

cm, 22 ft

⋅

lbf)

(b) Connect the A/C compressor connector.

15. INSTALL PS PUMP

Install the PS pump with the three bolts and nut. Alternately
tighten the bolts and nut.

Torque: Bolt 39 N

⋅

m (400 kgf

⋅

cm, 29 ft

⋅

lbf)

Nut 43 N

⋅

m (440 kgf

⋅

cm, 32 ft

⋅

lbf)

16. INSTALL PS RESERVOIR TANK AND BRACKET

Install the reservoir tank and bracket assembly with the three
bolts.

EM–172

–

ENGINE MECHANICAL

Cylinder Block

17. INSTALL

PS

TUBES

Install the PS tube clamp with the bolt.

18. INSTALL

ALTERNATOR

(a) Install the alternator and A/T oil cooler pipe bracket with

the bolt and nut.

Torque: 37 N

⋅

m (380 kgf

⋅

cm, 27 ft

⋅

lbf)

(b) Connect the alternator connector.
(c) Connect the alternator wire with the nut and cap.

19. INSTALL WIRE CLAMP (FOR ALTERNATOR) AND VSV

(FOR EVAP SYSTEM)
(a) Install the wire clamp to the VSV bracket.
(b) Install the VSV with the two bolts.

20. CONNECT PS SOLENOID VALVE CONNECTOR

21. CONNECT ENGINE WIRE CONNECTORS
22. CONNECT THEFT DETERRENT HORN CONNECTOR
23. INSTALL GROUND CABLE TO BODY

–

ENGINE MECHANICAL

Cylinder Block

EM–173