Lexus NX: Invalid Data Received from Hybrid Powertrain Control Module Invalid Serial Data Received (U059481)

Lexus NX Service Manual / Engine & Hybrid System / Cruise Control / Dynamic Radar Cruise Control System / Invalid Data Received from Hybrid Powertrain Control Module Invalid Serial Data Received (U059481)

DESCRIPTION

If the hybrid vehicle control ECU cannot recognize the forward recognition camera. DTC U059481 is stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

U059481

Invalid Data Received from Hybrid Powertrain Control Module Invalid Serial Data Received

When the power switch is on (IG) for 17 seconds or more, the hybrid vehicle control ECU cannot recognize the forward recognition camera continues for 2 second or more.

Hybrid vehicle control ECU

Radar Cruise2

CAUTION / NOTICE / HINT

NOTICE:

Before replacing the hybrid vehicle control ECU, refer to Service Bulletin.

PROCEDURE

1.

CHECK FOR DTCs (Radar Cruise2)

(a) Clear the DTCs.

Click here

Powertrain > Radar Cruise2 > Clear DTCs

(b) Make sure that the DTC detection conditions are met.

HINT:

If the detection conditions are not met, the system cannot detect the malfunction.

(c) Check for DTCs.

Click here

Powertrain > Radar Cruise2 > Trouble Codes

Result

Proceed to

DTC U059481 is not output

A

DTC U059481 is output

B

A

USE SIMULATION METHOD TO CHECK

B

REPLACE HYBRID VEHICLE CONTROL ECU

READ NEXT:

 Cruise Control Switch Circuit

DESCRIPTION The cruise control main switch outputs the cruise control power supply switch signal and each operation switch signal to the hybrid vehicle control ECU. The hybrid vehicle control ECU

 Distance Control Switch Circuit

DESCRIPTION The vehicle-to-vehicle distance control switch is used to set the distance for vehicle-to-vehicle distance control mode. The vehicle-to-vehicle distance control switch is installed in the

 Cruise Main Indicator Light Circuit

DESCRIPTION When the dynamic radar cruise control system is turned on using the cruise control main switch, the cruise control indicator (vehicle-to-vehicle distance control mode) illuminates. The hyb

SEE MORE:

 System Diagram

SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Radio Receiver Assembly Multi-display assembly Camera information signal GVIF Cable Radio Receiver Assembly Rear Television Camera Assembly Camera information signal CAN Communication Line Steering Sens

 Terminals Of Ecu

TERMINALS OF ECU CLOCK ASSEMBLY Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition I163-1 (ILL-) - Body ground G - Body ground Illumination signal ground Power switch on (ACC) Pulse generation I163-2 (E) - Body ground W-B - Body ground

© 2016-2024 Copyright www.lexunx.com