Lexus NX: Lost Communication with Steering Angle Sensor Module (U0126,U0125,U0129,U0142,U0293)

Lexus NX Service Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Blind Spot Monitor System / Lost Communication with Steering Angle Sensor Module (U0126,U0125,U0129,U0142,U0293)

DESCRIPTION

These DTCs are stored if there is a malfunction in the CAN communication system connected to the blind spot monitor sensor.

HINT:

If CAN communication system DTCs are stored, they may also be stored for other systems.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Note

U0125

Lost Communication with Yaw Rate Sensor Module

Lost communication with airbag ECU assembly

CAN communication system

-

U0126

Lost Communication with Steering Angle Sensor Module

Lost communication with steering sensor

CAN communication system

-

U0129

Lost Communication with Brake System Control Module

Lost communication with skid control ECU (brake booster with master cylinder assembly)

CAN communication system

-

U0142

Lost Communication with Body Control Module "B"

Lost communication with main body ECU (multiplex network body ECU)

CAN communication system

-

U0293

Lost Communication with EV ECU

Lost communication with hybrid vehicle control ECU

CAN communication system

-

CAUTION / NOTICE / HINT

NOTICE:

When checking for DTCs, make sure that the blind spot monitor main switch (combination switch assembly) is on.

PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs.

Click here

Body Electrical > Blind Spot Monitor Master > Clear DTCs Body Electrical > Blind Spot Monitor Slave > Clear DTCs

(b) Check for DTCs.

Body Electrical > Blind Spot Monitor Master > Trouble Codes Body Electrical > Blind Spot Monitor Slave > Trouble Codes

Result

Proceed to

DTC U0125, U0126, U0129, U0142 and U0293 are not output

A

DTC U0125, U0126, U0129, U0142 and/or U0293 is output

B

HINT:

  • If CAN communication system DTCs are stored, they may also be stored for other systems.
  • If the CAN communication system has been inspected and repaired, the DTCs will not be output when rechecking for DTCs.
  • If these DTCs are output frequently, duplicate the conditions that cause the problem symptoms and perform the inspection again, even though the DTC was not output when rechecking for DTCs.

    Click here

A

USE SIMULATION METHOD TO CHECK

B

GO TO CAN COMMUNICATION SYSTEM

READ NEXT:

 Lost Communication with Blind Spot Monitor Slave Module (U0232)

DESCRIPTION This DTC is stored when the blind spot monitor sensor LH judges that there is a communication error with the blind spot monitor sensor RH. DTC No. Detection Item DTC Detection Condi

 Software Incompatibility with Body Control Module "B" (U1331)

DESCRIPTION This DTC is stored when the destination information of the main body ECU (multiplex network body ECU) does not match that of the blind spot monitor sensors. DTC No. Detection Item D

 Main Switch Circuit

DESCRIPTION When the blind spot monitor main switch (combination switch assembly) is turned on, a signal is sent to the blind spot monitor sensor LH and the blind spot monitor indicator on the blind s

SEE MORE:

 Installation

INSTALLATION CAUTION / NOTICE / HINT NOTICE: Do not replace the spiral with sensor cable sub-assembly with the battery connected and the engine switch on (IG). Do not rotate the spiral with sensor cable sub-assembly when the following conditions are met: 1) The steering wheel is removed, 2) the

 Glass Surroundings Temperature Sensor Circuit (B14A9)

DESCRIPTION The air conditioning amplifier assembly detects the temperature of the area near the windshield glass using this circuit. The air conditioning amplifier assembly applies voltage to the air conditioning thermistor assembly (glass surroundings temperature sensor). As the temperature of the

© 2016-2024 Copyright www.lexunx.com