Lexus ES: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
*: Use the Techstream.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
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| 2. | INSPECT AUXILIARY BATTERY VOLTAGE |
(a) Measure the auxiliary battery voltage with the power switch off.
Standard voltage:
11 to 14 V (Power switch off)
If the voltage is below 11 V, replace or recharge the auxiliary battery before proceeding to the next step.
|
| 3. | CHECK CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Click here .gif)
| Result | Proceed to |
|---|---|
| CAN DTCs are not output. | A |
| CAN DTCs are output. | B |
| B | .gif) | GO TO CAN COMMUNICATION SYSTEM |
|
| 4. | CHECK FOR DTCs* |
(a) Check for DTCs.
Body Electrical > Tilt&Telescopic > Trouble Codes| Result | Proceed to |
|---|---|
| DTCs are not output. | A |
| DTCs are output. | B |
| B | | GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
| 5. | PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
| Result | Proceed to |
|---|---|
| Problem symptom does not occur. | A |
| Problem symptom occurs. | B |
| B | | GO TO STEP 7 |
|
| 6. | OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Terminals of ECU.
Click here
(b) Data List / Active Test.
Click here
|
| 7. | REPAIR |
|
| 8. | CONFIRMATION TEST |
| NEXT | | END |
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Problem Symptoms Table
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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
Terminals Of Ecu
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Installation
INSTALLATION PROCEDURE 1. INSTALL FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY) (a) Connect the flow shutting valve (water by-pass hose assembly) to the water by-pass outlet sub-assembly and slide the clip to secure it. NOTICE:
Make sure to slide the flow shutting valve (water by-pass ho
Operation Check
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