Lexus ES: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the fuel lid opener system.
- *: Use the Techstream.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
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| 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
|
| 3. | PRE-CHECK |
(a) Measure the auxiliary battery voltage with the power 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.
|
| 4. | PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here .gif)
| Result | Proceed to |
|---|---|
| Fault is not listed in Problem Symptoms Table | A |
| Fault is listed in Problem Symptoms Table | B |
| B | .gif) | GO TO STEP 6 |
|
| 5. | OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Data List / Active Test
Click here
(b) Operation Check
Click here
(c) Inspection
|
| 6. | REPAIR OR REPLACE |
|
| 7. | CONFIRMATION TEST |
| NEXT | | END |
READ NEXT:
Operation Check
OPERATION CHECK CHECK FUEL LID OPENER SYSTEM Push the trunk and fuel switch assembly (fuel lid opener switch) and check that messages are displayed on the multi-information display in the combination
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of
Data List / Active Test
DATA LIST / ACTIVE TEST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faul
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Parts Location
PARTS LOCATION ILLUSTRATION *1 ECM *2 FUEL TANK ASSEMBLY *3 FUEL PUMP CONTROL ECU *4 FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEMBLY - FUEL PUMP (for Low Pressure) - FUEL SENDER GAUGE ASSEMBLY - FUEL MAIN VALVE ASSEMBLY *5 NO. 1 ENGINE ROOM RELAY BLOCK ASSEMBLY AND NO. 1 ENG
