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:
ComponentsCOMPONENTS ILLUSTRATION
*1 ROCKER PANEL MOULDING - - RemovalREMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. REMOVE REAR WHEEL HOUSE FRONT PLATE Click here
2...
DESCRIPTION When an internal malfunction is detected in the millimeter wave radar sensor assembly, a DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A8749 Microwave Integrated Circuit (VCO Circuit) in Front Radar Sensor Internal Electronic Failure When the ignition switch is ON, the millimeter wave radar sensor assembly detects a malfunction in the microwave integrated circuit (VCO circuit)...
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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