Toyota CH-R Service Manual: Lost Communication with ECM / PCM "A" (U0100,U0125,U0126,U0129,U0142)

Toyota CH-R Service Manual / Park Assist / Monitoring / Blind Spot Monitor System / Lost Communication with ECM / PCM "A" (U0100,U0125,U0126,U0129,U0142)

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

U0100

Lost Communication with ECM / PCM "A"

Lost communication with ECM

CAN communication system

U0125

Lost Communication with Yaw Rate Sensor Module

Lost communication with airbag sensor 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 brake system

CAN communication system

U0142

Lost Communication with Body Control Module "B"

Lost communication with main body ECU

CAN communication system

CAUTION / NOTICE / HINT

NOTICE:

When checking for DTCs, make sure that the blind spot monitor system is turned on.

PROCEDURE

1.

CHECK DTC

(a) Turn the ignition switch off.

(b) Turn the ignition switch to ON.

(c) Recheck for DTCs and check if the same DTC is output again.

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

Result

Proceed to

DTCs are output.

A

No DTCs are 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 if the DTCs were not output when rechecking for DTCs.

    Click here

A

GO TO CAN COMMUNICATION SYSTEM

B

USE SIMULATION METHOD TO CHECK

    Slave Module Horizontal Axis Misalignment (C1AC2)
    DESCRIPTION This DTC is stored when the angle of the blind spot monitor sensor RH (Slave) deviates more than the allowable range from the horizontal axis. HINT: If a drum tester such as a ...

    Lost Communication with Blind Spot Monitor Slave Module (U0232)
    DESCRIPTION This DTC is stored when the blind spot monitor sensor LH (Master) judges that there is a communication problem with the blind spot monitor sensor RH (Slave). DTC No. ...

    Other materials:

    Toyota CH-R Service Manual > Seat Belt Warning System(w/ Occupant Classification System): Driver Side Seat Belt Warning Light does not Operate
    DESCRIPTION The seat belt warning light on the combination meter assembly illuminates, blinks or turns off in accordance with the state of the front seat inner belt assembly LH. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: The seat belt warning system uses the CAN communication ...

    Toyota CH-R Service Manual > Tire Pressure Warning System: System Description
    SYSTEM DESCRIPTION DESCRIPTION OF SYSTEM (a) The tire pressure warning system warns the driver when the tire pressure has decreased in order to decrease CO2 emissions and enhance safety. (b) The tire pressure warning system illuminates the tire pressure warning light to warn the driver when t ...

    © 2017-2022 Copyright www.tochr.net
    0.0117