2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 279

(b) Measure the resistance and check for pulses according to the value(s) in the table below.

Standard Resistance:

Standard:

Text in Illustration

NG -- REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) See: Accessories and Optional

Equipment/Antitheft and Alarm Systems/Alarm Module/Service and Repair/Removal

OK -- Continue to next step.

4. REPLACE INDOOR ELECTRICAL KEY OSCILLATOR (for Center Floor)

(a) Replace the indoor electrical key oscillator (for center floor) See: Accessories and Optional Equipment/Antitheft and Alarm

Systems/Keyless Entry/Antenna - Keyless Entry/Service and Repair/Electrical Key Oscillator (for Center Floor)/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 B27A6 is not output.

NG -- REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) See: Accessories and Optional

Equipment/Antitheft and Alarm Systems/Alarm Module/Service and Repair/Removal

OK -- END (INDOOR ELECTRICAL KEY OSCILLATOR WAS DEFECTIVE)

From 08/2009

THEFT DETERRENT / KEYLESS ENTRY: SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Entry Function): B27A6:

Open in Rear Floor Electrical Key Oscillator Circuit

B27A6 - Open in Rear Floor Electrical Key Oscillator Circuit