CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. | VEHICLE BROUGHT TO WORKSHOP |
|
2. | CUSTOMER PROBLEM ANALYSIS |
(a) Interview the customer to confirm the problem.
Click here
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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. | CHECK FOR DTC (AIR CONDITIONING SYSTEM)* |
(a) Clear the DTCs.
Click here
(b) Check for DTCs.
Click here
Result | Proceed to |
---|---|
DTCs are not output | A |
DTCs are output | B |
B | ![]() | GO TO AIR CONDITIONING SYSTEM |
|
5. | CHECK FOR DTC (SEAT HEATER SYSTEM)* |
(a) Clear the DTCs.
Click here
(b) Recheck for DTCs.
Click here
Result | Proceed to |
---|---|
DTCs are not output | A |
DTCs are output | B |
B | ![]() | GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
6. | PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
Result | Proceed to |
---|---|
Fault is not listed in Problem Symptoms Table | A |
Fault is listed in Problem Symptoms Table | B |
B | ![]() | GO TO STEP 8 |
|
7. | OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Operation Check
Click here
(b) Terminals of ECU
Click here
(c) Data List / Active Test
Click here
(d) Inspection
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8. | REPAIR OR REPLACE |
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9. | CONFIRMATION TEST |
NEXT | ![]() | END |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: Lack of Power
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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Washer Motor: Components
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