2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 2597

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- Continue to next step.

3. INSPECT AFS ECU (HEADLIGHT SWIVEL ECU ASSEMBLY)

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

(b) Connect an oscilloscope to the T5 inner rear view mirror assembly connector.

(c) Check the waveform.

OK:

Text in Illustration

NG -- REPLACE AFS ECU (HEADLIGHT SWIVEL ECU ASSEMBLY) See: Lighting and Horns/Headlamp/Headlamp

Alignment Control Module/Service and Repair/Components

OK -- REPLACE INNER REAR VIEW MIRROR ASSEMBLY

From 08/2009

LIGHTING (EXT): LIGHTING SYSTEM: B124D,B2432: Lost Communication with AFS LIN

B124D - Lost Communication with AFS LIN

B2432 - Lost Communication with Automatic High Beam Sensor

DESCRIPTION

* The DTC B124D is stored when the main body ECU (multiplex network body ECU) detects malfunctions in the LIN communication system.

* The DTC B2432 is stored when the AFS ECU (headlight swivel ECU assembly) detects malfunctions in the LIN communication system.