Lexus ES: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the power mirror control system (w/o Memory).
- *: Use the Techstream.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
| 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 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.
|
| 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) Operation Check
Click here
(b) Terminals of ECU
Click here
(c) Data List / Active Test
Click here
(d) Inspection
|
| 6. | REPAIR OR REPLACE |
|
| 7. | CONFIRMATION TEST |
| NEXT | | END |
READ NEXT:
Operation Check
OPERATION CHECK CHECK ELECTRICAL REMOTE CONTROL MIRROR FUNCTION (a) Turn the engine switch on (IG). (b) With L on the mirror select switch selected, check that the outer rear view mirror assembly LH s
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: If the battery voltage is low, the mirror heater function may not operate. HINT:
Use the table below to help determine the cause of problem symptoms. If multiple susp
Diagnosis System
DIAGNOSIS SYSTEM CHECK DLC3 (a) Check the DLC3. Click here INSPECT BATTERY VOLTAGE (a) Measure the battery voltage. Standard Voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace th
SEE MORE:
Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT SHOCK ABSORBER ASSEMBLY (a) Compress and extend the front shock absorber assembly rod 4 times or more. Standard: When compressed and extended at a constant speed, the stroke of the shock absorber rod is smooth with no abnormal resistance or sounds. When extende
On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. SECURE VEHICLE (a) Fully apply the parking brake and chock a wheel. CAUTION:
Make sure to apply the parking brake and chock a wheel before performing this procedure.
If the vehicle is not secure and the shift lever is moved to N, the vehicle may suddenly move,
