Toyota Yaris: Charging System / How To Proceed With Troubleshooting

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Power Source & Network / G16e-gts (battery / Charging) / Charging System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

*: Use the GTS.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

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?	Running conditions, driving conditions, weather conditions
How did it happen?	Problem symptoms

3.	INSPECT AUXILIARY BATTERY VOLTAGE

HINT:

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

(a) Measure the auxiliary battery voltage.

Standard Voltage:

11 to 14 V

4.	INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Check if CAN communication DTCs are output.

Click here

Result	Proceed to
CAN communication DTCs are not output.	A
CAN communication DTCs are output.	B

GO TO CAN COMMUNICATION SYSTEM

5.	CHECK FOR DTC*

HINT:

Refer to DTC Check / Clear.

Click here

Result	Proceed to
DTCs are not output.	A
DTCs are output.	B

GO TO DTC CHART

6.	REFER TO PROBLEM SYMPTOMS TABLE

HINT:

Refer to Problem Symptoms Table.

Click here

Result	Proceed to
Malfunctioning parts are not confirmed.	A
Malfunctioning parts are confirmed.	B

GO TO STEP 12

7.	OVERALL ANALYSIS AND TROUBLESHOOTING*

HINT:

Refer to Data List / Active Test.

Click here

Result	Proceed to
Malfunctioning parts are not confirmed.	A
Malfunctioning parts are confirmed.	B

GO TO STEP 12

8.	CHECK ECM CIRCUIT

HINT:

Refer to Terminals of ECM.

Click here

GO TO STEP 12

9.	CHECK FOR INTERMITTENT PROBLEMS

HINT:

Refer to Symptom Simulation.

Click here

10.	PERFORM PARTS INSPECTION

11.	IDENTIFY PROBLEM

12.	ADJUST AND/OR REPAIR MALFUNCTIONING PARTS, COMPONENT AND AREA

13.	PERFORM CONFIRMATION TEST

END

PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table...

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Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Backup Boost Converter "A" Control CPU Signal Invalid (P060629)

DESCRIPTION The engine stop and start ECU can detect open circuits when signals such as the boost, standby request or overheating signal cannot be sent to the backup boost converter control IC from the stop and start control IC in the engine stop and start ECU...

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Rear Upper Arm

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Toyota Yaris: Charging System / How To Proceed With Troubleshooting

System Diagram

Problem Symptoms Table

Other information:

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Backup Boost Converter "A" Control CPU Signal Invalid (P060629)

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Rear Upper Arm

Categories

Turning the Engine Off