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 Detection Item Symptom Trouble Area 4WD Control ECU Communication Stop Mode Communication stop for "Four Wheel Drive Control" is indicated on the "Communication Bus Check" screen of the GTS. Click here
4WD ECU assembly branch line or connector
Power source circuit of 4WD ECU assembly
4WD ECU assembly ground circuit
4WD ECU assembly
WIRING DIAGRAM
CAUTION / NOTICE / HINT CAUTION: When performing the confirmation driving pattern, obey all speed limits and traffic laws...
INSTALLATION PROCEDURE 1. INSTALL NO. 1 COOLER THERMISTOR (a) Install the No. 1 cooler thermistor as shown in the illustration. Installation Position: Part Length A 45 to 55 mm (1.77 to 2.17 in.) B 23 to 27 mm (0.906 to 1.06 in.) C 54...
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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