Lexus ES: Wheel Speed Sensor Malfunction (C164D)
DESCRIPTION
This DTC is stored when the clearance warning ECU assembly receives a wheel speed sensor (front speed sensor RH or front speed sensor LH, rear speed sensor RH or rear speed sensor LH) abnormality signal from the electronically controlled brake system via CAN communication.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
C164D | Wheel Speed Sensor Malfunction | Front wheel speed sensor malfunction | Electronically controlled brake system |
CAUTION / NOTICE / HINT
PROCEDURE
(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 4 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 Codes
HINT:
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DTC C164D is stored when a malfunction signal sent from the electronically controlled brake system is detected.
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If the malfunctioning part has been repaired or replaced before rechecking for DTCs, DTC C164D will not be output again.
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If DTC C164D 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 C164D is output | A |
DTC C164D is not output | B |
A | | GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM |
B | | USE SIMULATION METHOD TO CHECK |
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SEE MORE:
DESCRIPTION The cause of the malfunction may be a shutdown signal. Check whether there is a shutdown signal +B short circuit. Related Parts Check Area Inspection HSDN terminal Check that the HSDN terminal voltage decreases to check for an open or short circuit while READY off (IG ON).
PRECAUTION PRECAUTIONS FOR INSPECTING HYBRID CONTROL SYSTEM (a) Before the following operations are conducted, take precautions to prevent electric shock by turning the power switch off, wearing insulated gloves, and removing the service plug grip from HV battery.
Inspecting the high-voltage syst
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