Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: How To Proceed With Troubleshooting

Toyota Corolla Cross (2022-2024) Service Manual / Vehicle Exterior / Lighting (ext) / Lighting System (w/o Afs) / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Use the following procedure to troubleshoot the lighting 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 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.

(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 COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

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

  • for HEV Model: Click here
  • for Gasoline Model: Click here

Result

Proceed to

CAN DTCs are not output (for LED Type Parking Light without AFS)

A

CAN DTCs are not output (for Bulb Type Parking Light)

B

CAN DTCs are output

C
B

GO TO STEP 6

C

GO TO CAN COMMUNICATION SYSTEM

  • for HEV Model: Click here
  • for Gasoline Model: Click here

A

5.

CHECK CXPI COMMUNICATION SYSTEM*

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

Click here

OK:

CXPI communication system DTCs are not output.

OK

GO TO STEP 6

NG

GO TO CXPI COMMUNICATION SYSTEM

6.

CHECK FOR DTC*

(a) Check for DTCs.

Body Electrical > Main Body > Trouble Codes

Result

Proceed to

Malfunction is duplicated but DTCs are not output

A

Malfunction cannot be duplicated and DTCs are not output

B

DTCs are output

C
B

USE SIMULATION METHOD TO CHECK

C

GO TO DIAGNOSTIC TROUBLE CODE CHART
A

7.

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

8.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Operation Check.

Click here

(b) Terminals of ECU.

Click here

(c) Data List / Active Test.

Click here

(d) On-vehicle Inspection.

(e) Inspection.

NEXT

9.

ADJUST, REPAIR OR REPLACE
NEXT

10.

CONFIRMATION TEST
NEXT

END

    READ NEXT:

     Operation Check

    OPERATION CHECK AUTOMATIC LIGHT CONTROL SYSTEM OPERATION CHECK (w/ Automatic Light Control System) NOTICE: Make sure that the customize settings are set to default when performing the automatic light

     Customize Parameters

    CUSTOMIZE PARAMETERS CUSTOMIZE LIGHTING SYSTEM (EXT) 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

     Problem Symptoms Table

    PROBLEM SYMPTOMS TABLE NOTICE: Before replacing the main body ECU (multiplex network body ECU) or certification ECU (smart key ECU assembly), refer to Registration.*1 *1: w/ Smart Key System

    SEE MORE:

     Microphone Circuit Open (B157213)

    DESCRIPTION This DTC is stored when the DCM (telematics transceiver) detects a malfunction in the telephone microphone assembly circuit. DTC No. Detection Item DTC Detection Condition Trouble Area B157213 Microphone Circuit

     Removal

    REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL) Procedure Part Name Code 1 TONNEAU COVER ASSEMBLY 64910J - - - 2 DECK BOARD ASSEMBLY 58410B - - - 3 SPARE WHEEL CUSHION 64777J - - -

    © 2020-2024 Copyright www.tcorollacross.com