Toyota Avalon Service & Repair Manual: Stop Switch Circuit Malfunction (C164E)

Toyota Avalon Service & Repair Manual / Audio, Visual, Telematics / Park Assist / Monitoring / Intelligent Clearance Sonar System(for Gasoline Model) / Stop Switch Circuit Malfunction (C164E)

DESCRIPTION

When a stop light switch assembly circuit malfunction signal sent from the electronically controlled brake system is detected by the clearance warning ECU assembly, DTC C164E is stored.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C164E	Stop Switch Circuit Malfunction	Stop light switch assembly circuit open	Electronically controlled brake system

CAUTION / NOTICE / HINT

NOTICE:

After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore make sure to read the disconnecting the cable from the negative (-) 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 DTC OUTPUT

(a) Using the Techstream, check for DTCs according to the prompts on the screen.

HINT:

After turning the engine 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

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes

HINT:

DTC C164E is stored when a malfunction signal sent from the electronically controlled brake system is detected.
If the malfunctioning part has been repaired or replaced before rechecking for DTCs, DTC C164E will not be output again.
If DTC C164E 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 C164E is output	A
DTC C164E is not output	B

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM

USE SIMULATION METHOD TO CHECK

Wheel Speed Sensor Malfunction (C164D)

Brake Hydraulic Pressure Malfunction (C164F)

See More:

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PROBLEM SYMPTOMS TABLE NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to Registration. Click here If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information the headlight ECU sub-assembly LH. Click here If the headli ...

Toyota Avalon Service & Repair Manual: Stop Switch Circuit Malfunction (C164E)

Wheel Speed Sensor Malfunction (C164D)

Brake Hydraulic Pressure Malfunction (C164F)

See More:

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