2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 292

NG -- REPLACE OUTSIDE ELECTRICAL KEY OSCILLATOR

OK -- Continue to next step.

4. REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

(a) Replace the certification ECU (smart key ECU assembly) See: Accessories and Optional Equipment/Antitheft and Alarm

Systems/Alarm Module/Service and Repair/Removal.

NEXT -- Continue to next step.

5. 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/Smart Access System With Push-Button Start (for Entry Function).

(b) Recheck for DTCs.

OK:

DTC B27A8 is not output.

NG -- REPLACE OUTSIDE ELECTRICAL KEY OSCILLATOR

OK -- END (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) WAS DEFECTIVE)

Up to 08/2009

LIGHTING (EXT): LIGHTING SYSTEM: B124A: Automatic High Beam Mirror

B124A - Automatic High Beam Mirror

DESCRIPTION

The DTC is stored when the main body ECU (multiplex network body ECU) detects malfunctions in the inner rear view mirror assembly.

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:

First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN

communication malfunctions before troubleshooting this symptom.

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.