Toyota Yaris: Cxpi Communication System / How To Proceed With Troubleshooting

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Power Source & Network / Networking / Cxpi Communication System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Use these procedures to troubleshoot the CXPI communication system.
  • *: Use the GTS.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

INSPECT AUXILIARY BATTERY VOLTAGE

(a) Measure the auxiliary battery voltage with the 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.

NEXT

3.

CHECK POWER INTEGRATION SYSTEM*

(a) Use the GTS to check if the power integration system is functioning normally.

Click here

Result

Proceed to

Power integration system DTCs are not output

A

Power integration system DTCs are output

B

B

GO TO POWER INTEGRATION SYSTEM

A

4.

CHECK FOR DTC*

(a) Check for DTCs and make a note of any codes that are output.

Click here

(b) Clear the DTCs.

Body Electrical > Main Body > Clear DTCs

(c) Recheck for DTCs.

Body Electrical > Main Body > Trouble Codes
DTCs output

GO TO DIAGNOSTIC TROUBLE CODE CHART

No DTCs output

5.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Data List / Active Test

Click here

(b) Terminals of ECU

Click here

NEXT

6.

ADJUST, REPAIR OR REPLACE

NEXT

END

    System Description

    SYSTEM DESCRIPTION CXPI COMMUNICATION SYSTEM DESCRIPTION The multiplex communication system [CXPI] is used for communication systems between body system components...

    Terminals Of Ecu

    TERMINALS OF ECU NOTICE: After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal...

    Other information:

    Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Installation


    INSTALLATION PROCEDURE 1. INSTALL RADIO SETTING CONDENSER (a) Engage the claw to install a new terminal cover to the wire harness. NOTICE: Make sure to hold the crimping side of the terminal when installing the wire harness to the terminal cover...

    Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Operation Check


    OPERATION CHECK INSPECT ILLUMINATED ENTRY SYSTEM OPERATION NOTICE: Perform this inspection with the customize parameters at the initial settings. Click here HINT: Perform this inspection with the map light assembly door linked switch on and the room light assembly switch set to DOOR...

    Categories

    Liftgate/Trunk Lid

    WARNING

    Never allow a person to ride in the luggage compartment/trunk

    Allowing a person to ride in the luggage compartment/trunk is dangerous. The person in the luggage compartment/trunk could be seriously injured or killed during sudden braking or a collision.

    Do not drive with the liftgate/trunk lid open

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