Toyota Yaris: Headup Display System / System Diagram
SYSTEM DIAGRAM
HINT:
Refer to System Diagram of CAN Communication System.
Click here

CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the headup display system.
*: Use the GTS.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT
2...
Other information:
DESCRIPTION If the ECM cannot recognize the millimeter wave radar sensor assembly. DTC U040181 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U040181 Invalid Data Received from ECM/PCM "A" Invalid Serial Data Received Approximately 17 seconds or more after the ignition switch is turned to ON, the ECM cannot recognize the millimeter wave radar sensor assembly for approximately 5 seconds or more...
With intermittent wiper
Turn the wipers on by pressing the lever up or
down.
Variable-speed intermittent wipers
Set the lever to the intermittent
position and choose the interval
timing by rotating the ring.
With auto-wiper control
Turn the wipers on by pressing the lever up or
down...
Categories
Stop the vehicle completely.
Manual transaxle:
Shift into neutral and set the parking brake.
Automatic transaxle:
Shift the selector lever to the P position and set the parking brake.
Press the push button start to turn off the engine. The ignition position is
off.
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