Toyota Yaris: Headup Display System / Lost Communication With ECM/PCM "A" Missing Message (U010087,U012987,U014087,U015587,U016487,U023A87)
DESCRIPTION
The meter mirror sub-assembly communicates with each ECU via CAN communication.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U010087 | Lost Communication With ECM/PCM "A" Missing Message | Diagnosis Condition:
Malfunction Status:
Malfunction Time:
|
|
| U012987 | Lost Communication With Brake System Control Module Missing Message | Diagnosis Condition:
Malfunction Status:
Malfunction Time:
|
|
| U014087 | Lost Communication with Body Control Module Missing Message | Diagnosis Condition:
Malfunction Status:
Malfunction Time:
|
|
| U015587 | Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message | Diagnosis Condition:
Malfunction Status:
Malfunction Time:
|
|
| U016487 | Lost Communication with HVAC Control Module Missing Message | Diagnosis Condition:
Malfunction Status:
Malfunction Time:
|
|
| U023A87 | Lost Communication with Image Processing Module "A" Missing Message | Diagnosis Condition:
Malfunction Status:
Malfunction Time:
|
|
PROCEDURE
| 1. | CHECK FOR DTC (HEADUP DISPLAY SYSTEM) |
(a) Check for headup display system DTCs.
Body Electrical > Head Up Display > Trouble Codes| Result | Proceed to |
|---|---|
| U010087, U012987, U014087, U015587, U016387, U016487, U023A87, U029387 or U111087 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 DIAGNOSTIC TROUBLE CODE CHART |
Other information:
Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Diagnosis System
DIAGNOSIS SYSTEM DIAGNOSIS FUNCTION (a) The diagnosis function turns off the cruise control indicator and displays a warning message when a malfunction is detected. When a malfunction is detected in the dynamic radar cruise control system, DTCs are stored in the ECM or millimeter wave radar sensor assembly...
Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT NOTICE: This procedure includes the installation of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts. Click here PROCEDURE 1. REMOVE SPARK PLUG Click here 2. REMOVE OIL PRESSURE AND TEMPERATURE SENSOR Click here 3...
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Supplemental Restraint System (SRS) Precautions
The front and side supplemental restraint systems (SRS) include different types of air bags. Please verify the different types of air bags which are equipped on your vehicle by locating the “SRS AIRBAG” location indicators. These indicators are visible in the area where the air bags are installed.
The air bags are installed in the following locations:
The steering wheel hub (driver air bag) The front passenger dashboard (front passenger air bag) The outboard sides of the front seatbacks (side air bags) The front and rear window pillars, and the roof edge along both sides (curtain air bags)