Toyota Yaris: Manual Transaxle System / How To Proceed With Troubleshooting

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Drivetrain / Ea67f (manual Transmission / Transaxle) / Manual Transaxle System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, be sure to check that there are no malfunctions in the CAN communication system.
  • *: Use the GTS.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

CUSTOMER PROBLEM ANALYSIS

(a) Refer to How to Troubleshoot ECU Controlled Systems in Introduction.

Click here

NEXT

3.

INSPECT AUXILIARY BATTERY VOLTAGE

Standard voltage:

11 to 14 V

HINT:

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

NEXT

4.

CONNECT GTS TO DLC3*

HINT:

If the display indicates a communication fault in the GTS, inspect the DLC3.

When any CAN communication system DTCs are output, perform troubleshooting on the CAN communication system first.

NEXT

5.

CHECK CAN COMMUNICATION SYSTEM*

(a) Use the GTS to check if the CAN communication system is functioning normally.

CAN Bus Check

HINT:

  • Refer to CAN Bus Check for the CAN communication system.

    Click here

  • The ECM is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN communications system.

Result

Proceed to

CAN communication DTCs are not output.

A

CAN communication DTCs are output.

B

B

GO TO CAN COMMUNICATION SYSTEM

A

6.

CHECK AND CLEAR DTCS AND FREEZE FRAME DATA*

(a) Check for DTCs.

Click here

Powertrain > Engine > Trouble Codes

(b) Check for freeze frame data.

Click here

HINT:

Record or print DTCs and freeze frame data if necessary.

(c) Clear for DTCs.

Click here

Powertrain > Engine > Clear DTCs
NEXT

7.

PROBLEM SYMPTOM CONFIRMATION

(a) Refer to Road Test.

Click here

Result

Proceed to

Symptom does not occur.

A

Symptom occurs.

B

B

GO TO STEP 9

A

8.

SYMPTOM SIMULATION

(a) Refer to Symptom Simulation.

Click here

NEXT

9.

CHECK FOR DTC*

(a) Check for DTCs.

Click here

Powertrain > Engine > Trouble Codes

Result

Proceed to

DTCs are not output.

A

DTCs are output.

B

B

GO TO STEP 14

A

10.

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 STEP 12

A

11.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Data List / Active Test

Click here

(b) Terminals of ECM

Click here

NEXT

12.

REPAIR OR REPLACEMENT

NEXT

13.

CONFIRMATION TEST

(a) Refer to the road test section to perform a road test.

NEXT

END

14.

DIAGNOSTIC TROUBLE CODE CHART

(a) Proceed to Diagnostic Trouble Code Chart.

Click here

NEXT

15.

CIRCUIT INSPECTION*

NEXT

16.

IDENTIFICATION OF PROBLEM

NEXT

GO TO STEP 12

    System Diagram

    S..

    Check For Intermittent Problems

    C..

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