2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) DIAGNOSIS AND REPAIR,MAINTENANCE, Technical Service Bulletin # SSC9LE Date: 090817

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) Page 360

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) Page 361

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) Page 362

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) Page 363

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) Page 364

Information

TECHNICAL INSTRUCTIONS

FOR

LIMITED SERVICE CAMPAIGN 9LE

AIR CONDITIONING WIRE HARNESS SUB-ASSEMBLY

2010 RX 350

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) Page 365

II. Identification of Affected Vehicles

A. AFFECTED VIN RANGE

^ Check the TIS Vehicle Inquiry system to conform the VIN is involved in this LSC. This will verify the vehicle is affected and has not already

been completed prior to dealer shipment or by another dealer.

^ TMS warranty will not reimburse dealers for repairs conducted on vehicles that are not affected or were completed by another dealer.

III. Preparation

A. PARTS

B. TOOLS & EQUIPMENT

^ Standard hand tools

^ Techstream scantool

IV. Background and Components

In certain 2010 model year RX 350 vehicles equipped with Vehicle Stability Control (VSC) the engine cooling fans may remain on continuously

and/or the rear brake lights may illuminate after the ignition is turned off with the air conditioner in the on position. If this condition occurs it may

drain the battery. To correct this condition an Air Conditioner Wiring Sub-Harness (shown below in red) will be installed.

V. Work Procedure

1. PRELIMINARY INSPECTION

a) Check for DTCs. If DTCs are present confirm the code(s) view and record the freeze frame data and perform repairs as necessary.

2. CONFIRM THAT THE IGNITION IS OFF

3. REMOVE THE LEFT SIDE ENGINE ROOM COVER

a) Remove the 4 clips and the left side engine room cover.

4. REMOVE THE NO.1 RELAY BLOCK COVER

a) Release the lock and disengage the 2 claws to remove the No. 1 relay block cover.

NOTE:

Take measures to prevent water, etc. from entering the relay block when removing the cover.

5. INSTALL THE AIR CONDITIONING WIRE HARNESS SUB-ASSEMBLY

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) Page 366

a) Disconnect the 22 pin connector as illustrated.

b) Connect the air conditioning wire harness sub-assembly into the location where the 22 pin connector was removed.

c) Reconnect the 22 pin connector to the air conditioning wire harness sub-assembly as illustrated.

NOTE:

After the installation, do not bend the sub-wire harness excessively.

6. REINSTALL THE NO.1 RELAY BLOCK COVER

a) Engage the 2 claws and the lock to reinstall the No.1 relay block cover.

7. REINSTALL THE LEFT SIDE ENGINE ROOM COVER

a) Insert the left side engine room cover into the guide.

b) Reinstall the 4 clips.

8. FINAL INSPECTION

a) Start the vehicle and increase the engine speed to approximately 2,000 RPM and verify the engine operates smoothly.

b) Confirm that no warning lamps in the combination meter are illuminated.

c) Check for DTCs. If DTCs are present confirm the code(s) view and record the freeze frame data and perform repairs as necessary.

d) Confirm normal air conditioner compressor operation.