Lexus NX: 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 the power switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.
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When disconnecting and reconnecting the auxiliary battery
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HINT:
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.
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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 FOR DTC |
(a) Using the Techstream, check for DTCs according to the prompts on the screen.
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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.
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(c) Recheck for DTCs.
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HINT:
- 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.
-
If DTC C1652 is output frequently, duplicate the conditions that cause the problem symptoms and perform the inspection 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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SEE MORE:
Terminals Of Ecu
TERMINALS OF ECU CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) (a) Disconnect the T9 sliding roof ECU (sliding roof drive gear sub-assembly) connector. (b) Measure the resistance and voltage according to the value(s) in the table below. Tester Connection Wiring Color Terminal
Adjustment
ADJUSTMENT CAUTION / NOTICE / HINT HINT:
Centering bolts are used to mount the hood hinge to the vehicle body and hood. The hood cannot be adjusted with the centering bolts on. Substitute the centering bolts for standard bolts (with washers) when making adjustments.
A bolt without a torque spec
