2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 535

NG -- INSPECT DCM (TELEMATICS TRANSCEIVER) (RED INDICATOR OUTPUT VOLTAGE)

OK -- REPLACE MAP LIGHT ASSEMBLY See: Accessories and Optional Equipment/Emergency Contact Button/Service and

Repair/Manual (SOS) Switch/Removal

7. INSPECT DCM (TELEMATICS TRANSCEIVER) (RED INDICATOR OUTPUT VOLTAGE)

(a) Remove the DCM (Telematics Transceiver) but do not disconnect the connectors See: Accessories and Optional

Equipment/Emergency Contact Module/Service and Repair/Removal.

(b) Connect the positive lead of a voltmeter to terminal G25-11 (IND1), and the negative lead to body ground.

(c) Measure the voltage.

Standard:

1.0 to 8.5 V for 2 seconds after the engine switch is on (IG).

0 V when the engine switch is off.

Text in Illustration

NG -- CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - BODY GROUND)

OK -- REPAIR OR REPLACE HARNESS OR CONNECTOR

8. CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - BODY GROUND)

(a) Remove the DCM (Telematics Transceiver) but do not disconnect the connectors See: Accessories and Optional

Equipment/Emergency Contact Module/Service and Repair/Removal.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Text in Illustration

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- Continue to next step.

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 1892

Standard Resistance:

(h) Check for a short in the circuit.

(1) Release the activation prevention mechanism built into connector B See: Restraints and Safety Systems/Air Bag Systems/Testing

and Inspection/Initial Inspection and Diagnostic Overview/Diagnosis System.

(2) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Text in Illustration

NG -- REPLACE NO. 2 FLOOR WIRE

OK -- Continue to next step.

2. CHECK CENTER AIRBAG SENSOR ASSEMBLY

(a) Restore the released activation prevention mechanism of connector B to the original condition.

(b) Connect the connectors to the front seat side airbag assembly LH and center airbag sensor assembly.

(c) Connect the cable to the negative (-) battery terminal.

(d) Turn the engine switch on (IG), and wait for at least 60 seconds.

(e) Clear the DTCs stored in the memory See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Reading and

Clearing Diagnostic Trouble Codes/DTC Check / Clear.

(f) Turn the engine switch off.

(g) Turn the engine switch on (IG), and wait for at least 60 seconds.

(h) Check for DTCs See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Reading and Clearing Diagnostic

Trouble Codes/DTC Check / Clear.

OK:

DTC B1825, B1826, B1827, B1828 or 56 is not output.

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 1597

HINT

When DTC B1650/32 is detected as a result of troubleshooting for the airbag system, check the DTCs stored in the occupant

classification ECU. When DTC B1793 is output, perform troubleshooting for the DTC.

WIRING DIAGRAM

INSPECTION PROCEDURE

HINT

* If troubleshooting (wire harness inspection) is difficult to perform, remove the front passenger seat installation bolts to see

under the seat cushion.

* In the above case, hold the seat so that it does not fall down. Hold the seat only as necessary because holding the seat for a long

period of time may cause seat rail deformation.

PROCEDURE

1. CHECK CONNECTORS

(a) Turn the engine switch off.

(b) Disconnect the cable from the negative (-) battery terminal.

(c) Check that the connectors are properly connected to the 4 occupant classification sensors and occupant classification ECU.

OK:

The connectors are properly connected.

HINT

If the connectors are not connected securely, reconnect the connectors and proceed to the next inspection.

(d) Disconnect the connectors from the 4 occupant classification sensor and occupant classification ECU.

(e) Check that the terminals of connectors are not damaged.

OK:

The terminals are not deformed or damaged.

NG -- REPLACE FRONT SEAT WIRE RH

OK -- Continue to next step.

2. CHECK FRONT SEAT WIRE RH (SHORT TO B+)

(a) Connect the cable to the negative (-) battery terminal.

2010 Lexus Truck RX 3502019 Audi RS5 Sportback Comes In $4,300 More Than The Coupe AWD V6-3.5L (2GR-FE) B CODE Page 2582

INSPECTION PROCEDURE


NOTICE:


Inspect the fuses for circuits related to this system before performing the following inspection procedure.


PROCEDURE


1. CHECK FOR DTC


(a) Clear the DTCs See: Lighting and Horns/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes.


(b) Check for DTCs See: Lighting and Horns/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes.


OK:


DTC B2424 or B2425 is not output.


NG -- CHECK HARNESS AND CONNECTOR (BATTERY - AFS ECU)


OK -- USE SIMULATION METHOD TO CHECK See: Accessories and Optional Equipment/Antitheft and Alarm


Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting


2. CHECK HARNESS AND CONNECTOR (BATTERY - AFS ECU)


(a) Disconnect the A53 AFS ECU (headlight swivel ECU assembly) connector.


(b) Measure the voltage according to the value(s) in the table below.


Standard Voltage:


Text in Illustration


NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR


OK -- Continue to next step.

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 1812

(1) Release the activation prevention mechanism built into connector B See: Restraints and Safety Systems/Air Bag Systems/Testing

and Inspection/Initial Inspection and Diagnostic Overview/Diagnosis System.

(2) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Text in Illustration

NG -- CHECK INSTRUMENT PANEL WIRE

OK -- Continue to next step.

2. CHECK CENTER AIRBAG SENSOR ASSEMBLY

(a) Restore the released activation prevention mechanism of connector B to the original condition.

(b) Connect the connectors to the front passenger airbag assembly and center airbag sensor assembly.

(c) Connect the cable to the negative (-) battery terminal.

(d) Turn the engine switch on (IG), and wait for at least 60 seconds.

(e) Clear the DTCs stored in the memory See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Reading and

Clearing Diagnostic Trouble Codes/DTC Check / Clear.

(f) Turn the engine switch off.

(g) Turn the engine switch on (IG), and wait for at least 60 seconds.

(h) Check for DTCs See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Reading and Clearing Diagnostic

Trouble Codes/DTC Check / Clear.

OK:

DTC B1815, B1816, B1817, B1818 or 54 is not output.

Text in Illustration

HINT

Codes other than DTC B1815, B1816, B1817, B1818 and 54 may be output at this time, but they are not related to this check.

NG -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY See: Relays and Modules/Relays and Modules - Restraints and

Safety Systems/Air Bag Control Module/Service and Repair/Removal

OK -- USE SIMULATION METHOD TO CHECK See: Accessories and Optional Equipment/Antitheft and Alarm

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 2467

(b) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

(c) Measure the resistance according to the value(s) in the table below.

HINT

This inspection is to check the LIN line in the instrument panel junction block assembly that connects the wire harness to the

built-in main body ECU (multiplex network body ECU).

Standard Resistance:

Text in Illustration

NG -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR

(a) Disconnect the L2 connector.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Text in Illustration

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- Continue to next step.

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 561

The display and navigation module display and radio receiver assembly are connected by the MOST communication line.

When a MOST communication error occurs between the display and navigation module display and radio receiver assembly, these DTCs will be

stored.

HINT

For the MOST network, the display and navigation module display is the master unit.

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:

* Inspect the fuses for circuits related to this system before performing the following inspection procedure.

* After replacing the radio receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, registration of the

XM radio ID is necessary. (w/ SDARS System)

PROCEDURE

1. CHECK OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)

(a) Check for optional components.

(1) Check that optional components (including associated wiring) which generate radio waves are not installed.

Result:

HINT

* Electrical noise from radio waves generated by optional components or the wiring for those components may affect MOST

communication.

* This DTC may be stored when an MOST communication error occurs due to electrical noise.

B -- CHECK DTC

A -- Continue to next step.

2. REMOVE OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)

(a) Remove optional components (including associated wiring).

NOTICE:

Do not remove optional components or associated wiring without the permission of the customer.

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 2346

(b) Clear the DTCs See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Testing and

Inspection/Reading and Clearing Diagnostic Trouble Codes/Pre-Collision System.

(c) Drive the vehicle.

(d) Recheck for DTCs.

OK:

DTC B2060 is not output.

NG -- REPLACE SEAT BELT CONTROL ECU

OK -- CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION) See: Accessories and Optional

Equipment/Antitheft and Alarm Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed

With Troubleshooting

From 08/2009

PRE-COLLISION: PRE-COLLISION SYSTEM: B2060: ABS Malfunction

B2060 - ABS Malfunction

DESCRIPTION

This DTC is stored when a malfunction in the vehicle stability control system is detected. This circuit consists of the skid control ECU and seat belt

control ECU. Signals are sent from the skid control ECU using the CAN communication.

INSPECTION PROCEDURE

HINT

This circuit uses CAN communication. Therefore, be sure to check that the CAN communication system is normal before

performing inspection See: Powertrain Management/Computers and Control Systems/Information Bus/Testing and

Inspection/Initial Inspection and Diagnostic Overview/CAN Communication System/How to Proceed With Troubleshooting.

PROCEDURE

1. CHECK DTC OUTPUT (CAN COMMUNICATION SYSTEM)

(a) Clear the DTCs See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Testing and

Inspection/Reading and Clearing Diagnostic Trouble Codes/Pre-Collision System.

(b) Recheck for DTCs.

OK:

CAN communication system DTC is not output.

NG -- GO TO CAN COMMUNICATION SYSTEM See: Powertrain Management/Computers and Control Systems/Information

Bus/Testing and Inspection/Initial Inspection and Diagnostic Overview/CAN Communication System/How to Proceed With

Troubleshooting

OK -- Continue to next step.

2. CHECK DTC OUTPUT (VEHICLE STABILITY CONTROL SYSTEM)

(a) Check DTCs for the vehicle stability control system See: Brakes and Traction Control/Antilock Brakes / Traction Control

Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes.

OK:

Vehicle stability control system DTC is not output.

NG -- GO TO VEHICLE STABILITY CONTROL SYSTEM See: Diagnostic Trouble Code Descriptions/Vehicle Stability

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 1937

Standard Resistance:

(g) Check for a short to ground in the circuit.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

(h) Check for a short in the circuit.

(1) Release the activation prevention mechanism built into connector B See: Restraints and Safety Systems/Air Bag Systems/Testing

and Inspection/Initial Inspection and Diagnostic Overview/Diagnosis System.

(2) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Text in Illustration

NG -- REPLACE FLOOR WIRE

OK -- Continue to next step.

2. CHECK CENTER AIRBAG SENSOR ASSEMBLY

(a) Restore the released activation prevention mechanism of connector B to the original condition.

(b) Connect the connectors to the curtain shield airbag assembly RH and center airbag sensor assembly.

(c) Connect the cable to the negative (-) battery terminal.

(d) Turn the engine switch on (IG), and wait for at least 60 seconds.

(e) Clear the DTCs stored in the memory See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Reading and

Clearing Diagnostic Trouble Codes/DTC Check / Clear.

(f) Turn the engine switch off.

(g) Turn the engine switch on (IG), and wait for at least 60 seconds.

(h) Check for DTCs See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Reading and Clearing Diagnostic

Trouble Codes/DTC Check / Clear.

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 2681

INSPECTION PROCEDURE

NOTICE:

If the ID code box (immobiliser code ECU) is replaced, register the ECU code and ECU communication ID See: Accessories and

Optional Equipment/Antitheft and Alarm Systems/Testing and Inspection/Programming and Relearning/Engine Immobilizer

System.

PROCEDURE

1. CHECK DTC OUTPUT

(a) Clear the DTCs See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Testing and Inspection/Reading and

Clearing Diagnostic Trouble Codes/Engine Immobiliser System.

(b) Recheck for DTCs See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Testing and Inspection/Reading and

Clearing Diagnostic Trouble Codes/Engine Immobiliser System.

OK:

DTC B2799 is not output.

NG -- RE-REGISTER ECU COMMUNICATION ID

OK -- USE SIMULATION METHOD TO CHECK See: Accessories and Optional Equipment/Antitheft and Alarm

Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting

2. RE-REGISTER ECU COMMUNICATION ID

(a) Re-register the ECU communication ID See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Testing and

Inspection/Programming and Relearning/Engine Immobilizer System.

NEXT -- Continue to next step.

3. CHECK DTC OUTPUT

(a) Clear the DTCs See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Testing and Inspection/Reading and

Clearing Diagnostic Trouble Codes/Engine Immobiliser System.

(b) Recheck for DTCs See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Testing and Inspection/Reading and

Clearing Diagnostic Trouble Codes/Engine Immobiliser System.

OK:

DTC B2799 is not output.

NG -- CHECK CONNECTOR CONNECTION CONDITION

OK -- END (ECU COMMUNICATION ID WAS NOT REGISTERED CORRECTLY)

4. CHECK CONNECTOR CONNECTION CONDITION

(a) Turn the engine switch off.

(b) Check that the connectors are properly connected to the ECM and ID code box (immobiliser code ECU).

OK:

Connectors are properly connected.

NG -- CONNECT CONNECTORS PROPERLY

OK -- Continue to next step.

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 305

NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HDD): B156E,B156B: No Response from Multi-media Interface

ECU

B156E - No Response from Multi-media Interface ECU

B156B - Multi-media Interface ECU Disconnected

DESCRIPTION

The display and navigation module display and multi-media interface ECU are connected by the AVC-LAN communication line.

When an AVC-LAN communication error occurs between the display and navigation module display and multi-media interface ECU, these DTCs

will be stored.

HINT

* *1: Even if no fault is present, this DTC may be stored depending on the battery condition or engine start voltage.

* The display and navigation module display is the master unit.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. CHECK OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)

(a) Check for optional components.

(1) Check that optional components (including associated wiring) which generate radio waves are not installed.

Result:

HINT

* Electrical noise from radio waves generated by optional components or the wiring for those components may affect AVC-LAN

communication.

* This DTC may be stored when an AVC-LAN communication error occurs due to electrical noise.

B -- CHECK DTC

A -- Continue to next step.

2. REMOVE OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)

(a) Remove optional components (including associated wiring).

NOTICE:

Do not remove optional components or associated wiring without the permission of the customer.

NEXT -- Continue to next step.

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 1449

Text in Illustration

NG -- CHECK FRONT DOOR WIRE LH (OPEN)

OK -- Continue to next step.

46. CHECK WIRE HARNESS (SHORT)

(a) Disconnect SST from connector E.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Text in Illustration

NG -- CHECK FRONT DOOR WIRE LH (SHORT)

OK -- Continue to next step.

47. CHECK WIRE HARNESS (SHORT TO B+)

(a) Connect the cable to the negative (-) battery terminal.

(b) Turn the engine switch on (IG).

(c) Measure the voltage according to the value(s) in the table below.

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 1633

Standard Resistance:

Text in Illustration

NG -- REPLACE INSTRUMENT PANEL WIRE

OK -- Continue to next step.

6. CHECK SPIRAL CABLE

(a) Check for a short to B+ in the circuit.

(1) Connect the cable to the negative (-) battery terminal.

(2) Turn the engine switch on (IG).

(3) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

(b) Check for an open in the circuit.

(1) Turn the engine switch off.

(2) Disconnect the cable from the negative (-) battery terminal.

NOTICE:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(3) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

(c) Check for a short to ground in the circuit.

(1) Measure the resistance according to the value(s) in the table below.

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 1297

8. CHECK CENTER AIRBAG SENSOR ASSEMBLY

(a) Connect the cable to the negative (-) battery terminal.

(b) Turn the engine switch on (IG), and wait for at least 60 seconds.

(c) Clear the DTCs stored in the memory See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Reading and

Clearing Diagnostic Trouble Codes/DTC Check / Clear.

(d) Turn the engine switch off.

(e) Turn the engine switch on (IG), and wait for at least 60 seconds.

(f) Check for DTCs See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Reading and Clearing Diagnostic

Trouble Codes/DTC Check / Clear.

OK:

DTC B1653/35 is not output.

Text in Illustration

HINT

Codes other than DTC B1653/35 may be output at this time, but they are not related to this check.

NG -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY See: Relays and Modules/Relays and Modules - Restraints and

Safety Systems/Air Bag Control Module/Service and Repair/Removal

OK -- END

1. CHECK NO. 2 FLOOR WIRE (OPEN)

(a) Disconnect the No. 2 floor wire from the front seat inner belt assembly LH.

HINT

SST has already been inserted into connector B.

(b) Measure the resistance according to the value(s) in the table below.

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 963

NOTICE:

Do not forcibly insert SST into the terminals of the connector when connecting.

SST : 09843-18040

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Text in Illustration

NG -- REPLACE FLOOR WIRE

OK -- Continue to next step.

9. CHECK FLOOR WIRE (SHORT)

(a) Disconnect SST from connector C.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Text in Illustration

NG -- REPLACE FLOOR WIRE

OK -- Continue to next step.

10. CHECK FLOOR WIRE (SHORT TO B+)

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 1791

(b) Connect the connectors to the front passenger airbag assembly and center airbag sensor assembly.

(c) Connect the cable to the negative (-) battery terminal.

(d) Turn the engine switch on (IG), and wait for at least 60 seconds.

(e) Clear the DTCs stored in the memory See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Reading and

Clearing Diagnostic Trouble Codes/DTC Check / Clear.

(f) Turn the engine switch off.

(g) Turn the engine switch on (IG), and wait for at least 60 seconds.

(h) Check for DTCs See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Reading and Clearing Diagnostic

Trouble Codes/DTC Check / Clear.

OK:

DTC B1815, B1816, B1817, B1818 or 54 is not output.

Text in Illustration

HINT

Codes other than DTC B1815, B1816, B1817, B1818 and 54 may be output at this time, but they are not related to this check.

NG -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY See: Relays and Modules/Relays and Modules - Restraints and

Safety Systems/Air Bag Control Module/Service and Repair/Removal

OK -- USE SIMULATION METHOD TO CHECK See: Accessories and Optional Equipment/Antitheft and Alarm

Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting

3. CHECK INSTRUMENT PANEL WIRE

(a) Restore the release activation prevention mechanism of connector B to the original condition.

(b) Disconnect the instrument panel wire assembly from the instrument panel wire.

(c) Check for a short to B+ in the circuit.

(1) Connect the cable to the negative (-) battery terminal.

(2) Turn the engine switch on (IG).

(3) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

(d) Check for an open in the circuit.

(1) Turn the engine switch off.

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 2314

INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC OUTPUT

(a) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision / Trouble Codes.

(b) Clear the DTCs See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Testing and

Inspection/Reading and Clearing Diagnostic Trouble Codes/Pre-Collision System.

(c) Turn the engine switch off.

(d) Turn the engine switch on (IG).

(e) Recheck for DTCs.

OK:

DTCs are not output.

NG -- REPLACE SEAT BELT CONTROL ECU

OK -- CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION) See: Accessories and Optional

Equipment/Antitheft and Alarm Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed

With Troubleshooting

From 08/2009

PRE-COLLISION: PRE-COLLISION SYSTEM:

B2015,B2016,B2020,B2021,B2025-B2027,B2030-B2032,B2035,B2040,B2041,B2043,B2047: Open in Right Side Upper MOS

B2015 - Open in Right Side Upper MOS

B2016 - Open in Right Side Lower MOS

B2020 - Open in Left Side Upper MOS

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 1032

NG -- CHECK FRONT DOOR WIRE LH (SHORT TO GROUND)

OK -- Continue to next step.

41. CHECK REAR AIRBAG SENSOR LH

(a) Connect the connector to the side airbag sensor LH (for rear side) and side airbag sensor LH (for front side).

(b) Interchange the rear airbag sensor RH with LH and connect the connectors.

(c) Connect the cable to the negative (-) battery terminal.

(d) Turn the engine switch on (IG), and wait for at least 60 seconds.

(e) Clear the DTCs stored in the the memory See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Reading and

Clearing Diagnostic Trouble Codes/DTC Check / Clear.

(f) Turn the engine switch off.

(g) Turn the engine switch on (IG), and wait for at least 60 seconds.

(h) Check for DTCs See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Reading and Clearing Diagnostic

Trouble Codes/DTC Check / Clear.

Result:

Text in Illustration

HINT

Codes other than DTC B1633 and B1638 may be output at this time, but they are not related to this check.

C -- USE SIMULATION METHOD TO CHECK See: Accessories and Optional Equipment/Antitheft and Alarm

Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting

B -- REPLACE REAR AIRBAG SENSOR LH

A -- Continue to next step.

42. CHECK SIDE AIRBAG SENSOR LH (FOR FRONT SIDE)

(a) Turn the engine switch off.

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 1423

INSPECTION PROCEDURE

PROCEDURE

1. CHECK PRESENT DTC

(a) Turn the engine switch on (IG), and wait for at least 60 seconds.

(b) Check for present DTCs See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Reading and Clearing

Diagnostic Trouble Codes/DTC Check / Clear.

Result:

HINT

* DTCs indicating communication errors will be changed to DTCs indicating errors in initialization by turning the engine switch

off and then to ON again.

* Codes other than present DTC B1627, B1628, B1637, B1638, B1647, B1648, B1697, B1698 and 82 may be output at this time,

but they are not related to this check.

E -- CHECK PRESENT DTC

D -- CHECK CONNECTORS

C -- CHECK PAST DTC

B -- CHECK CONNECTORS

A -- Continue to next step.

2. CHECK PAST DTC

(a) Turn the engine switch on (IG), and wait for at least 60 seconds.

(b) Check for past DTCs See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Reading and Clearing Diagnostic

Trouble Codes/DTC Check / Clear.

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 1298

NG -- REPLACE NO. 2 FLOOR WIRE

OK -- REPLACE FRONT SEAT INNER BELT ASSEMBLY LH See: Restraints and Safety Systems/Seat Belt Systems/Seat

Belt/Service and Repair/Removal and Replacement/Rear Seat Inner Belt Assembly (for LH Side)/Removal

2. CHECK NO. 2 FLOOR WIRE (SHORT)

(a) Disconnect the No. 2 floor wire from the front seat belt inner belt assembly LH.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Text in Illustration

NG -- REPLACE NO. 2 FLOOR WIRE

OK -- REPLACE FRONT SEAT INNER BELT ASSEMBLY LH See: Restraints and Safety Systems/Seat Belt Systems/Seat

Belt/Service and Repair/Removal and Replacement/Rear Seat Inner Belt Assembly (for LH Side)/Removal

3. CHECK NO. 2 FLOOR WIRE (SHORT TO B+)

(a) Turn the engine switch off.

(b) Disconnect the cable from the negative (-) battery terminal.

NOTICE:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.