Lexus ES: Outside Air Temperature Sensor (C1652)
DESCRIPTION
When a malfunction signal sent from the air conditioning system via CAN communication is detected by the clearance warning ECU assembly, DTC C1652 is stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1652 | Outside Air Temperature Sensor | Ambient temperature sensor malfunction | Air conditioning system |
CAUTION / NOTICE / HINT
NOTICE:
-
After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.
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After replacing an ultrasonic sensor or the clearance warning ECU assembly, perform the necessary procedures (adjustment, calibration, initialization or registration).
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PROCEDURE
| 1. | CHECK AIR CONDITIONING SYSTEM |
(a) Using the Techstream, check for DTCs according to the prompts on the screen.
HINT:
After turning the power switch from off to on (IG), wait 13 seconds or more before checking for DTCs.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes(b) Clear the DTCs according to the screen on the Techstream.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs(c) Recheck for DTCs.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble CodesHINT:
- DTC C1652 is stored when a malfunction signal sent from the air conditioning system is detected.
- If the malfunctioning part has been repaired or replaced before rechecking for DTCs, DTC C1652 will not be output again.
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If DTC C1652 is output frequently, duplicate the conditions that cause the problem symptoms and perform troubleshooting again, even though the DTC was not output when rechecking for DTCs.
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| Result | Proceed to |
|---|---|
| DTC C1652 is output | A |
| DTC C1652 is not output | B |
| A | .gif) | GO TO AIR CONDITIONING SYSTEM |
| B | | USE SIMULATION METHOD TO CHECK |
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Calibration
CALIBRATION NOTICE: When any of the following parts have been replaced, perform adjustment shown in the following table. If not, the parking support brake system may not operate correctly. PRECAUTION
Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE PARKING SUPPORT BRAKE SYSTEM (a) Customizing with the Techstream. NOTICE:
When the customer requests a change in a function, first make sure that the function can be
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST 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 pa
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Removal
REMOVAL PROCEDURE 1. REMOVE LUGGAGE COMPARTMENT FLOOR MAT Click here 2. REMOVE SPARE WHEEL COVER TRAY Click here 3. REMOVE REAR FLOOR FINISH PLATE Click here 4. REMOVE LUGGAGE COMPARTMENT DOOR WEATHERSTRIP (a) Remove the luggage compartment door weatherstrip.
Buzzer does not Sound
WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
When checking for DTCs, make sure that the blind spot monitor system is turned on.
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE 1. CHECK DTC (a) Turn the engine switch off.
