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:
INSPECTION PROCEDURE 1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Front Wiper Switch Tester Connection Condition Specified Condition z5-14 (MIST) -z5-5 (E) MIST position Below 1 Ω z5-14 (MIST) -z5-5 (E) Except MIST position 10 kΩ or higher z5-10 (W_OFF) - z5-5 (E) OFF position Below 1 Ω z5-10 (W_OFF) - z5-5 (E) Except OFF position 10 kΩ or higher z5-13 (+S) - z5-5 (E) AUTO position Below 1 Ω z5-13 (+S) - z5-5 (E) Except AUTO position 10 kΩ or higher z5-11 (+1) - z5-5 (E) LO position Below 1 Ω z5-11 (+1) - z5-5 (E) Except LO position 10 kΩ or higher z5-12 (+2) - z5-5 (E) HI position Below 1 Ω z5-12 (+2) - z5-5 (E) Except HI position 10 kΩ or higher Front Washer Switch Tester Connection Condition Specified Condition z5-15 (WF) - z5-5 (E) ON position Below 1 Ω z5-15 (WF) - z5-5 (E) OFF position 10 kΩ or higher Auto Sensitivity Adjustment Switch Tester Connection Condition Specified Condition z5-4 (VR) - z5-5 (E) P1 position 1102 to 1218 Ω z5-4 (VR) - z5-5 (E) P2 position 570 to 630 Ω z5-4 (VR) - z5-5 (E) P3 position 256...
PROBLEM SYMPTOMS TABLE If there are no DTCs output and the problem still occurs, check the suspected areas for each problem symptom in the order given in the following table and proceed to the relevant troubleshooting page. NOTICE: When replacing the skid control ECU (brake actuator assembly), sensors, etc...
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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