Toyota Yaris: Active Noise Control System / Lost Communication With ECM/PCM "A" Missing Message (U010087,U012987,U014087)

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Audio & Visual & Telematics / Audio / Video / Active Noise Control System / Lost Communication With ECM/PCM "A" Missing Message (U010087,U012987,U014087)

DESCRIPTION

These DTCs are stored when a malfunction occurs in the CAN communication circuit.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U010087

Lost Communication With ECM/PCM "A" Missing Message

When the stereo component equalizer assembly detects a CAN communication malfunction in the engine system for 1 second or more continuously 3 seconds after the ignition switch is turned to ON*

CAN communication system

U012987

Lost Communication With Brake System Control Module Missing Message

When the stereo component equalizer assembly detects a CAN communication malfunction in the brake system for 1 second or more continuously 3 seconds after the ignition switch is turned to ON*

CAN communication system

U014087

Lost Communication with Body Control Module Missing Message

When the stereo component equalizer assembly detects a CAN communication malfunction in the main body ECU for 3 seconds or more continuously 3 seconds after the ignition switch is turned to ON*

CAN communication system

HINT:

*: Malfunction monitoring is not performed under the following conditions, in order to prevent erroneous detection.

  • After ignition switch is turned to ACC for 3 seconds or more.
  • After the auxiliary battery voltage returns to normal for 3 seconds.
  • Before 3 seconds have elapsed after auxiliary battery voltage has returned to normal.

PROCEDURE

1.

CLEAR DTC

(a) Clear the DTCs.

Body Electrical > Active Noise Control > Clear DTCs
NEXT

2.

CHECK FOR DTC

(a) Check for DTCs.

Body Electrical > Active Noise Control > Trouble Codes

Result

Proceed to

DTC U010087, U012987 and U014087 are not output

A

DTC U010087, U012987 and U014087 are output

B

HINT:

  • If CAN communication system malfunction DTCs are output, they may also be output for other systems.
  • If the CAN communication system has been checked and repaired in other systems, the DTC will not be output after rechecking for DTCs.
  • If the DTC is output frequently, duplicate the conditions that cause a malfunction and perform the check again, even though the DTC was not output after rechecking for DTCs.

    Click here

A

USE SIMULATION METHOD TO CHECK

B

GO TO CAN COMMUNICATION SYSTEM

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    DESCRIPTION This circuit is the power source circuit for the stereo component equalizer assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses and relays for circuits related to this system before performing the following procedure...

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    ComponentsCOMPONENTS ILLUSTRATION *1 DIGITAL AUDIO BROADCASTING ANTENNA BASE - - RemovalREMOVAL CAUTION / NOTICE / HINT HINT: When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating...

    Other information:

    Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Starter Relay Signal Compare Failure (P061562)


    DESCRIPTION When the STA signal detected by the ECM and by the engine stop and start ECU do not match, the engine stop and start ECU stores DTC P061562 and blinks the stop and start cancel indicator. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory Note P061562 Starter Relay Signal Compare Failure Both of the following conditions are met for 2 seconds or more (1 trip detection logic): Normal communication with the ECM...

    Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Components


    C..

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