Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM1000000028K63 |
Model Year Start: 2023 |
Model: GR Corolla |
Prod Date Range: [11/2022 -
] |
Title: DOOR LOCK: KEY REMINDER WARNING SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [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 key reminder warning system.
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*: Use the GTS.
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 CHECK
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HINT:
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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.
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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 problem analysis:
What
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Vehicle model, system name
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When
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Date, time, occurrence frequency, whether the problem occurred recently or has been occurring for a long time
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Where
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Whether the problem occurs at a specific location
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Under what conditions?
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Whether the doors were locked or unlocked, whether the ignition switch was ON, whether the engine has started
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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
If the voltage is below 11 V, recharge or replace the 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
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4.
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CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
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(a) Using the GTS, check for CAN communication system DTCs.
for HV Model: Click here
for Gasoline Model: 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 HV Model: Click here
for Gasoline Model: Click here
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A
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5.
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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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A
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6.
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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
(c) Operation Check
Click here
(d) Inspection
NEXT
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NEXT
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NEXT |
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END
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