2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 376

Text in Illustration

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- Continue to next step.

3. CHECK ID CODE BOX (IMMOBILISER CODE ECU) (WAVEFORM)

(a) Reconnect the ID code box (immobiliser code ECU) connector.

(b) Reconnect the ECM connector.

(c) Using an oscilloscope, check the waveform.

Waveform (Reference):

OK:

Waveform is output normally (see illustration).

Text in Illustration

NG -- REPLACE ID CODE BOX (IMMOBILISER CODE ECU)

OK -- REPLACE ECM See: Powertrain Management/Computers and Control Systems/Engine Control Module/Service and

Repair/Removal

4. REPLACE ID CODE BOX (IMMOBILISER CODE ECU)

(a) Replace the ID code box (immobiliser code ECU) See: Accessories and Optional Equipment/Antenna/Keyless Start Antenna/Service

and Repair/Removal.

NEXT -- Continue to next step.

5. ECU CODE REGISTRATION

(a) Register the ECU code See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Testing and Inspection/Programming

and Relearning/Engine Immobilizer System.