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:
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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)