Toyota Yaris: Front Camera System / Lost Communication With ECM/PCM "A" Missing Message (U010087,U010187,U012687,U012987,U014087,U015587)

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Engine & Hybrid System / Cruise Control / Front Camera System / Lost Communication With ECM/PCM "A" Missing Message (U010087,U010187,U012687,U012987,U014087,U015587)

DESCRIPTION

When a malfunction is detected between various ECUs and sensors, these DTCs are stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U010087

Lost Communication With ECM/PCM "A" Missing Message

When the ignition switch is ON for 3 seconds or more, and the vehicle is being driven at a speed of 5 km/h (3mph) or more, a communication malfunction between the forward recognition camera and the ECM continues for 2 seconds or more.

CAN communication system

U010187

Lost Communication with TCM Missing Message

When the ignition switch is ON for 3 seconds or more, a communication malfunction between the forward recognition camera and the ECM continues for approximately 5 seconds or more.

CAN communication system

U012687

Lost Communication with Steering Angle Sensor Module Missing Message

When the ignition switch is ON for 3 seconds or more, a communication malfunction between the forward recognition camera and the steering sensor continues for approximately 1 second or more.

CAN communication system

U012987

Lost Communication with Brake System Control Module Missing Message

When the ignition switch is ON for 3 seconds or more, a communication malfunction between the forward recognition camera and the skid control ECU (brake actuator assembly) continues for approximately 1 second or more.

CAN communication system

U014087

Lost Communication with Body Control Module Missing Message

When the ignition switch is ON for 3 seconds or more, a communication malfunction between the forward recognition camera and the main body ECU (multiplex network body ECU) continues for 5 seconds or more.

CAN communication system

U015587

Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message

When the ignition switch is ON for 3 seconds or more, a communication malfunction between the forward recognition camera and the combination meter assembly continues for 5 seconds or more.

CAN communication system

PROCEDURE

1.

CLEAR DTC

(a) Clear the DTCs.

Chassis > Front Recognition Camera > Clear DTCs
NEXT

2.

CHECK FOR DTCs

(a) Make sure that the DTC detection conditions are met.

HINT:

If the detection conditions are not met, the system cannot detect the malfunction.

(b) Check for DTCs.

Chassis > Front Recognition Camera > Trouble Codes

Result

Proceed to

DTC U010087, U010187, U012687, U012987, U014087 or U015587 is output

A

DTCs are not output

B

None of the above conditions are met

C

A

GO TO CAN COMMUNICATION SYSTEM

B

USE SIMULATION METHOD TO CHECK

C

GO TO DTC CHART

    Front Recognition Camera Heater Malfunction (C1AAE00)

    DESCRIPTION The forward recognition camera controls the flow of current to the forward recognition with heater hood sub-assembly. If the forward recognition camera detects a malfunction in the forward recognition with heater hood sub-assembly circuit, it will store this DTC...

    Internal Control Module Software Incompatibility Not Programmed (U030051,U030057)

    DESCRIPTION The forward recognition camera receives vehicle information from the ECM via CAN communication. DTC U030051 is stored when the vehicle information from the ECM cannot be confirmed...

    Other information:

    Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Precaution


    PRECAUTION CAUTION: Failure to carry out service procedures in the correct sequence could cause SRS parts to unexpectedly deploy and possibly lead to serious injuries. Furthermore, if a mistake is made when servicing SRS parts, they may fail to operate when required...

    Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Precaution


    PRECAUTION CHARGING SYSTEM PRECAUTION NOTICE: Check that the battery cables are connected to the correct terminals. Disconnect the battery cables when the auxiliary battery is given a quick charge. Do not perform tests with a high voltage insulation resistance tester...

    Categories

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