Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM10000000275M9 |
Model Year Start: 2023 |
Model: GR Corolla |
Prod Date Range: [09/2022 - 11/2022] |
Title: TELEMATICS: TELEMATICS SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING; 2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022] |
HOW TO PROCEED WITH TROUBLESHOOTING
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CAUTION / NOTICE / HINT
HINT:
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Use the following procedure to troubleshoot the telematics system.
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*: Use the Techstream.
PROCEDURE
1.
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VEHICLE BROUGHT TO WORKSHOP
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NEXT
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2.
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CUSTOMER PROBLEM ANALYSIS
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HINT:
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In troubleshooting, check 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.
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Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
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The following 5 items are important points for analysis:
What
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Vehicle model, system name
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When
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Date, time, occurrence frequency
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Where
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Road conditions
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Under what conditions?
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Driving conditions, weather conditions
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How did it happen?
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Problem symptoms
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NEXT
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(a) Measure the battery voltage.
Standard voltage:
11 to 14 V
HINT:
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
NEXT
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4.
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CHECK CAN COMMUNICATION SYSTEM*
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(a) Check if CAN communication system DTCs are output.
for TMC Made: Click here
for TMMMS Made: Click here
Result
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Proceed to
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CAN DTCs are not output.
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A
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CAN DTCs are output.
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B
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B |
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GO TO CAN COMMUNICATION SYSTEM
for TMC Made: Click here
for TMMMS Made: Click here
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A
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(a) Check for DTCs.
Safety Connect System: Click here
Telematics System: Click here
Body Electrical > Telematics > Trouble Codes
Result
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Proceed to
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DTCs are not output.
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A
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Safety connect system DTCs are output.
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B
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Telematics system DTCs are output.
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C
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A
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6.
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CHECK VEHICLE OPERATION HISTORY*
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(a) Check for vehicle control history and note any codes that are output.
Click here
Result
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Proceed to
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No vehicle control history is output
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A
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Any vehicle control history is output
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B
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A
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7.
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PROBLEM SYMPTOMS TABLE
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(a) Refer to Problem Symptoms Table.
Click here
Result
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Proceed to
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Fault is not listed in Problem Symptoms Table.
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A
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Fault is listed in Problem Symptoms Table.
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B
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HINT:
If the symptom does not recur and no DTCs are output, perform the simulation method.
Click here
A
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8.
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OVERALL ANALYSIS AND TROUBLESHOOTING*
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(a) Terminals of ECU
Click here
(b) Data List / Active Test
Click here
NEXT
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NEXT
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NEXT |
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END
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