Lexus ES manuals

Lexus ES: Internal Control Module Software Incompatibility Invalid/Incompatible Software Component (U030057)

Lexus ES (XZ10) Service Manual / Engine & Hybrid System / Cruise Control / Dynamic Radar Cruise Control System (for Gasoline Model) / Internal Control Module Software Incompatibility Invalid/Incompatible Software Component (U030057)

DESCRIPTION

If the vehicle information stored in the forward recognition camera does not match the vehicle information sent from the ECM, the forward recognition camera stores DTC U030057.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

DTC Output from

U030057

Internal Control Module Software Incompatibility Invalid/Incompatible Software Component

The vehicle information sent from the ECM does not match that stored in the forward recognition camera.

Pre-collision system

Does not come on

Radar Cruise2

PROCEDURE

1.

GO TO PRE-COLLISION SYSTEM

HINT:

If DTC U030057 is output by the dynamic radar cruise control system, perform troubleshooting for the pre-collision system.

Click here

NEXT

END

READ NEXT:

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DESCRIPTION If the forward recognition camera cannot verify the vehicle information sent from the main body ECU (multiplex network body ECU), the forward recognition camera stores DTC U032251. DTC

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 Reassembly

REASSEMBLY PROCEDURE 1. INSTALL SOLENOID (SL) VALVE (a) Coat the solenoid (SL) valve with Toyota Genuine ATF WS. (b) Install the solenoid (SL) valve to the transmission valve body assembly with the bolt. Torque: 7.0 N·m {71 kgf·cm, 62 in·lbf} 2. INSTALL SOLENOID (SLT) VALVE (a)

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DESCRIPTION The cause of this malfunction may be the generator resolver. Check the generator resolver internal resistance and connection condition from the inverter to the resolver. Related Parts Check Area Inspection Wire harness and connector between the inverter and generator resolver

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