Toyota CH-R Service Manual: Lost Communication With ECM/PCM "A" (U0100,U0129,U023A)

Toyota CH-R Service Manual / Power Assist Systems / Power Steering System / Lost Communication With ECM/PCM "A" (U0100,U0129,U023A)

DESCRIPTION

The power steering ECU assembly receives signals from the ECM and skid control ECU (brake actuator assembly) via CAN communication.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Warning Indicate

Return-to-normal Condition

Note

U0100

Lost Communication With ECM/PCM "A"

Lost communication with ECM

  • CAN communication system
  • ECM

EPS warning light: Does not come on

The ECU judges the system has returned to normal or the ignition switch is turned ON again

-

U0129

Lost Communication with Brake System Control Module

Lost communication with skid control ECU (brake actuator assembly)

  • CAN communication system
  • Skid control ECU (brake actuator assembly)

EPS warning light: Comes on

The ECU judges the system has returned to normal or the ignition switch is turned ON again

-

U023A

Lost Communication with Front Camera Module

Lost communication with forward recognition camera

  • CAN communication system
  • Forward recognition camera

EPS warning light: Does not come on

The ECU judges the system has returned to normal or the ignition switch is turned ON again

w/ Toyota Safety Sense P

PROCEDURE

1.

GO TO CAN COMMUNICATION SYSTEM

(a) Go to CAN communication system.

Click here

NEXT

END

    EPS Warning Light Circuit
    DESCRIPTION If the power steering ECU assembly detects a malfunction, the power steering ECU assembly stores a DTC and illuminates the EPS warning light. WIRING DIAGRAM CAUTION / NOTICE / HINT ...

    TC and CG Terminal Circuit
    DESCRIPTION Connecting terminals TC and CG of the DLC3 causes the ECU to display DTCs by blinking the EPS warning light. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: If the power steering E ...

    Other materials:

    Toyota CH-R Service Manual > Occupant Classification System: System Description
    SYSTEM DESCRIPTION GENERAL (a) The occupant detection ECU estimates the weight of an occupant based on signals received from the 2 occupant classification sensors. The occupant detection ECU determines whether the front passenger seat is occupied and classifies the occupant based on the esti ...

    Toyota CH-R Service Manual > Electric Parking Brake System: How To Proceed With Troubleshooting
    CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS (a) Interview the customer and confir ...

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    KIA Niro EV / Hybrid (SG2) - (2021-2023) - Owner's manual

    © 2017-2024 Copyright www.tochr.net
    0.0121