2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 367

Waveform (Reference):

OK:

Waveform is output normally (see illustration)

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 -- REPLACE ENGINE SWITCH See: Powertrain Management/Ignition System/Sensors and Switches - Ignition

System/Ignition Switch/Service and Repair/Removal

Up to 08/2009

NETWORKING: LIN COMMUNICATION SYSTEM: B278C: Lost Communication with Power Source Control

B278C - Lost Communication with Power Source Control

DESCRIPTION

This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and power management control ECU stops

for more than 10 seconds.