Toyota Yaris: Meter / Gauge System / How To Proceed With Troubleshooting

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Vehicle Interior / Meter / Gauge / Display / Meter / Gauge System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Use the following procedure to troubleshoot the meter / gauge system.
  • *: Use the GTS.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

CUSTOMER PROBLEM ANALYSIS

HINT:

  • In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
  • Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
  • The following 5 items are important points for problem analysis:

    What

    Vehicle model, system name

    When

    Date, time, occurrence frequency

    Where

    Road conditions

    Under what conditions?

    Driving conditions, weather conditions

    How did it happen?

    Problem symptoms

NEXT

3.

PRE-CHECK

(a) Measure the auxiliary battery voltage with ignition switch off.

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.

(b) Check the fuses and relays.

(c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.

NEXT

4.

CHECK CAN COMMUNICATION SYSTEM*

(a) Using the GTS, check for CAN communication system DTCs.

Click here

Result

Proceed to

CAN DTCs are not output

A

CAN DTCs are output

B

B

GO TO CAN COMMUNICATION SYSTEM

A

5.

CHECK FOR DTC* (METER / GAUGE SYSTEM)

(a) Check for DTCs.

Body Electrical > Combination Meter > Trouble Codes

Result

Proceed to

DTCs are not output

A

DTCs are output

B

B

GO TO DIAGNOSTIC TROUBLE CODE CHART

A

6.

PROBLEM SYMPTOM CONFIRMATION

NEXT

7.

SYMPTOM SIMULATION

NEXT

8.

PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table.

Click here

Result

Proceed to

Fault is not listed in Problem Symptoms Table

A

Fault is listed in Problem Symptoms Table

B

B

GO TO PROBLEM SYMPTOMS TABLE

A

9.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU.

Click here

(b) Data List / Active Test.

Click here

(c) On-vehicle Inspection.

Click here

(d) Inspection.

NEXT

10.

CIRCUIT INSPECTION

NEXT

11.

ADJUST, REPAIR OR REPLACE

NEXT

12.

CONFIRMATION TEST

NEXT

END

    System Diagram

    S..

    Customize Parameters

    CUSTOMIZE PARAMETERS NOTICE: When the customer requests a change in a function, first make sure that the function can be customized. Be sure to make a note of the current settings before customizing...

    Other information:

    Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Diagnostic Trouble Code Chart


    D..

    Toyota Yaris XP210 (2020-2024) Owner's Manual: Limitations to side collision detection


    T..

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