Tech Tips
Use the following procedures to troubleshoot the power trunk lid system.
*: Use the GTS.
VEHICLE BROUGHT TO WORKSHOP
| NEXT |
|
CUSTOMER PROBLEM ANALYSIS CHECK
Tech Tips
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? | Running conditions, driving conditions, weather conditions |
| How did it happen? | Problem symptoms |
| NEXT |
|
INSPECT BATTERY VOLTAGE
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.
| NEXT |
|
CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
Use the GTS to check if the CAN communication system is functioning normally Click here.
| Result | Proceed to |
|---|---|
| CAN DTC is not output | A |
| CAN DTC is output | B |
| B |
|
GO TO CAN COMMUNICATION SYSTEM Click here |
| A |
|
CHECK FOR DTC*
Using the GTS, check for DTCs Click here.
| Result | Proceed to |
|---|---|
| DTC is not output | A |
| DTC is output | B |
| B |
|
GO TO DIAGNOSTIC TROUBLE CODE CHART Click here |
| A |
|
PROBLEM SYMPTOMS TABLE
Refer to Problem Symptoms Table Click here.
| Result | Proceed to |
|---|---|
| Fault is not listed on problem symptoms table | A |
| Fault is listed on problem symptoms table | B |
| B |
|
Go to step 8 |
| A |
|
OVERALL ANALYSIS AND TROUBLESHOOTING*
Operation check Click here.
Terminals of ECU Click here.
Data List/Active Test Click here.
| NEXT |
|
REPAIR OR REPLACE
| NEXT |
|
CONFIRMATION TEST
| NEXT |
|
| END |