2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 2651

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:

If the certification ECU (smart key ECU assembly) is replaced, register the key See: Accessories and Optional

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

HINT

Before performing the inspection, check that DTC U1420 (CAN communication system) is not output 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. RE-REGISTER REMOTE ENGINE STARTER SYSTEM

(a) Re-register the remote engine starter system See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Testing and

Inspection/Programming and Relearning/Engine Immobilizer System.

NEXT -- Continue to next step.

2. CHECK ENGINE START (REMOTE ENGINE START FUNCTION)

(a) Check that the engine starts using the remote engine start function.

OK:

Engine starts using remote engine start function.

NG -- CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - JUNCTION CONNECTOR)

OK -- END (REMOTE ENGINE STARTER ID WAS NOT REGISTERED CORRECTLY)

3. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - JUNCTION CONNECTOR)

(a) Disconnect the main body ECU (multiplex network body ECU) connector.

(b) Disconnect the junction connector.