Toyota Yaris: Headup Display System / System Diagram
SYSTEM DIAGRAM
HINT:
Refer to System Diagram of CAN Communication System.
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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 The millimeter wave radar sensor assembly receives signals related to the brake control condition from the skid control ECU (brake actuator assembly) via the CAN communication line. If the millimeter wave radar sensor assembly receives signals from the skid control ECU (brake actuator assembly) indicating a brake control system malfunction, the millimeter wave radar sensor assembly stores DTC U041881...
DESCRIPTION If the air conditioning system cannot be operated using the air conditioning control assembly, the following factors may be the cause. Symptom Factor Air conditioning system cannot be operated using air conditioning control assembly
(With the exception of the switch indicators, no inputs are reflected when other switches operated)
LIN communication malfunction between air conditioning amplifier assembly and air conditioning control assembly
Short to +B or ground in air conditioning amplifier assembly circuit
Air conditioning amplifier assembly malfunction
Air conditioning control assembly malfunction
Harness or connector
WIRING DIAGRAM
CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure...
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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