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:
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side) (a) Connect the GTS to the DLC3. (b) Start the engine. (c) Turn the GTS on. (d) Inspect the camshaft timing oil control solenoid assembly. (1) Enter the following menus: Powertrain / Engine / Active Test / Control the Intake VVT OCV Duty Ratio Bank 1 / Data List / Intake VVT Change Angle Bank 1...
DESCRIPTION If recirculation/fresh mode changes unintentionally and without permission, the following causes are possible. Symptom Factor
Recirculation/fresh mode changes without permission
Recirculation/fresh mode light blinks
Customize setting
Change in ambient air temperature
Decrease in refrigerant pressure
Air conditioner pressure sensor circuit malfunction
Engine coolant temperature (high)
PROCEDURE 1...
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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