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Intuitive Parking Assist System (Diagnostic Codes & Circuit Tests): Overview Lexus RX III рестайлинг

Warning System 4 illustrations ~1141 words

DESCRIPTION

The No. 1 ultrasonic sensor (front left sensor) is installed on the front bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (front left sensor). If the No. 1 ultrasonic sensor (front left sensor) has an open circuit or other malfunction, it will not function normally.

DTC No.DTC Detection ConditionTrouble Area
C1AE1A malfunction of the No. 1 ultrasonic sensor (front left sensor).No. 1 ultrasonic sensor (front left sensor) Clearance warning ECU assembly

The No. 1 ultrasonic sensor (front left sensor) is installed on the front bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (front left sensor). If the No. 1 ultrasonic sensor (front left sensor) has an open circuit or other malfunction, it will not function normally.

DTC No.DTC Detection ConditionTrouble Area
C1AE1A malfunction of the No. 1 ultrasonic sensor (front left sensor).No. 1 ultrasonic sensor (front left sensor) Clearance warning ECU assembly

The No. 1 ultrasonic sensor (front left center sensor) is installed on the front bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (front left center sensor). If the No. 1 ultrasonic sensor (front left center sensor) has an open circuit or other malfunction, it will not function normally.

DTC No.DTC Detection ConditionTrouble Area
C1AE2A malfunction of the No. 1 ultrasonic sensor (front left center sensor).No. 1 ultrasonic sensor (front left center sensor) Clearance warning ECU assembly

The No. 1 ultrasonic sensor (front left center sensor) is installed on the front bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (front left center sensor). If the No. 1 ultrasonic sensor (front left center sensor) has an open circuit or other malfunction, it will not function normally.

DTC No.DTC Detection ConditionTrouble Area
C1AE2A malfunction of the No. 1 ultrasonic sensor (front left center sensor).No. 1 ultrasonic sensor (front left center sensor) Clearance warning ECU assembly

The No. 1 ultrasonic sensor (front right center sensor) is installed on the front bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (front right center sensor). If the No. 1 ultrasonic sensor (front right center sensor) has an open circuit or other malfunction, it will not function normally.

DTC No.DTC Detection ConditionTrouble Area
C1AE3A malfunction of the No. 1 ultrasonic sensor (front right center sensor).No. 1 ultrasonic sensor (front right center sensor) Clearance warning ECU assembly

The No. 1 ultrasonic sensor (front right center sensor) is installed on the front bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (front right center sensor). If the No. 1 ultrasonic sensor (front right center sensor) has an open circuit or other malfunction, it will not function normally.

DTC No.DTC Detection ConditionTrouble Area
C1AE3A malfunction of the No. 1 ultrasonic sensor (front right center sensor).No. 1 ultrasonic sensor (front right center sensor) Clearance warning ECU assembly

The No. 1 ultrasonic sensor (front right sensor) is installed on the front bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (front right sensor). If the No. 1 ultrasonic sensor (front right sensor) has an open circuit or other malfunction, it will not function normally.

DTC No.DTC Detection ConditionTrouble Area
C1AE4A malfunction of the No. 1 ultrasonic sensor (front right sensor).No. 1 ultrasonic sensor (front right sensor) Clearance warning ECU assembly

The No. 1 ultrasonic sensor (front right sensor) is installed on the front bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (front right sensor). If the No. 1 ultrasonic sensor (front right sensor) has an open circuit or other malfunction, it will not function normally.

DTC No.DTC Detection ConditionTrouble Area
C1AE4A malfunction of the No. 1 ultrasonic sensor (front right sensor).No. 1 ultrasonic sensor (front right sensor) Clearance warning ECU assembly

The No. 1 ultrasonic sensor (rear left sensor) is installed on the rear bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (rear left sensor). If the No. 1 ultrasonic sensor (rear left sensor) has an open circuit or other malfunction, it will not function normally.

DTC No.DTC Detection ConditionTrouble Area
C1AE6A malfunction of the No. 1 ultrasonic sensor (rear left sensor).No. 1 ultrasonic sensor (rear left sensor) Clearance warning ECU assembly

The No. 1 ultrasonic sensor (rear left sensor) is installed on the rear bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (rear left sensor). If the No. 1 ultrasonic sensor (rear left sensor) has an open circuit or other malfunction, it will not function normally.

DTC No.DTC Detection ConditionTrouble Area
C1AE6A malfunction of the No. 1 ultrasonic sensor (rear left sensor).No. 1 ultrasonic sensor (rear left sensor) Clearance warning ECU assembly

The No. 1 ultrasonic sensor (rear left center sensor) is installed on the rear bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (rear left center sensor). If the No. 1 ultrasonic sensor (rear left center sensor) has an open circuit or other malfunction, it will not function normally.

DTC No.DTC Detection ConditionTrouble Area
C1AE7A malfunction of the No. 1 ultrasonic sensor (rear left center sensor).No. 1 ultrasonic sensor (rear left center sensor) Clearance warning ECU assembly

The No. 1 ultrasonic sensor (rear left center sensor) is installed on the rear bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (rear left center sensor). If the No. 1 ultrasonic sensor (rear left center sensor) has an open circuit or other malfunction, it will not function normally.

DTC No.DTC Detection ConditionTrouble Area
C1AE7A malfunction of the No. 1 ultrasonic sensor (rear left center sensor).No. 1 ultrasonic sensor (rear left center sensor) Clearance warning ECU assembly

The No. 1 ultrasonic sensor (rear right center sensor) is installed on the rear bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (rear right center sensor). If the No. 1 ultrasonic sensor (rear right center sensor) has an open circuit or other malfunction, it will not function normally.

DTC No.DTC Detection ConditionTrouble Area
C1AE8A malfunction of the No. 1 ultrasonic sensor (rear right center sensor).No. 1 ultrasonic sensor (rear right center sensor) Clearance warning ECU assembly

The No. 1 ultrasonic sensor (rear right center sensor) is installed on the rear bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (rear right center sensor). If the No. 1 ultrasonic sensor (rear right center sensor) has an open circuit or other malfunction, it will not function normally.

DTC No.DTC Detection ConditionTrouble Area
C1AE8A malfunction of the No. 1 ultrasonic sensor (rear right center sensor).No. 1 ultrasonic sensor (rear right center sensor) Clearance warning ECU assembly

The No. 1 ultrasonic sensor (rear right sensor) is installed on the rear bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (rear right sensor). If the No. 1 ultrasonic sensor (rear right sensor) has an open circuit or other malfunction, it will not function normally.

DTC No.DTC Detection ConditionTrouble Area
C1AE9A malfunction of the No. 1 ultrasonic sensor (rear right sensor).No. 1 ultrasonic sensor (rear right sensor) Clearance warning ECU assembly

The No. 1 ultrasonic sensor (rear right sensor) is installed on the rear bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (rear right sensor). If the No. 1 ultrasonic sensor (rear right sensor) has an open circuit or other malfunction, it will not function normally.

DTC No.DTC Detection ConditionTrouble Area
C1AE9A malfunction of the No. 1 ultrasonic sensor (rear right sensor).No. 1 ultrasonic sensor (rear right sensor) Clearance warning ECU assembly

This DTC is stored when there is an open or short circuit in the communication line between the front sensors and the ECU, or when there is a malfunction in a front sensor.

DTC No.DTC Detection ConditionTrouble Area
C1AECAn open or short circuit in the communication line between the front sensors and ECU or a malfunction in a front sensor during initialization mode after the engine switch is turned on (IG).Front ultrasonic sensor circuit Clearance warning ECU assembly

Scheme 29

Scheme 29: WIRING DIAGRAM

This DTC is stored when there is an open or short circuit in the communication line between the front sensors and the ECU, or when there is a malfunction in a front sensor.

DTC No.DTC Detection ConditionTrouble Area
C1AECAn open or short circuit in the communication line between the front sensors and ECU or a malfunction in a front sensor during initialization mode after the engine switch is turned on (IG).Front ultrasonic sensor circuit Clearance warning ECU assembly

This DTC is stored when there is an open or short circuit in the communication line between the rear sensors and the ECU, or when there is a malfunction in a rear sensor.

DTC No.DTC Detection ConditionTrouble Area
C1AEDAn open or short circuit in the communication line between the rear sensors and ECU or a malfunction in a rear sensor during initialization mode after the engine switch is turned on (IG).Rear ultrasonic sensor circuit Clearance warning ECU assembly

Scheme 30

Scheme 30: WIRING DIAGRAM

This DTC is stored when there is an open or short circuit in the communication line between the rear sensors and the ECU, or when there is a malfunction in a rear sensor.

DTC No.DTC Detection ConditionTrouble Area
C1AEDAn open or short circuit in the communication line between the rear sensors and ECU or a malfunction in a rear sensor during initialization mode after the engine switch is turned on (IG).Rear ultrasonic sensor circuit Clearance warning ECU assembly

These DTCs are stored when the clearance warning ECU assembly cannot receive and recognize several signals via the CAN communication system.

DTC No.DTC Detection ConditionTrouble Area
U0101Lost communication with ECMCAN communication system
U0142Lost communication with main body ECU (multiplex network body ECU)
U0155Lost communication with combination meter

HINT

When 2 or more DTCs starting with "U" are output simultaneously, inspect the connectors and wire harnesses of each ECU.

These DTCs are stored when the clearance warning ECU assembly cannot receive and recognize several signals via the CAN communication system.

DTC No.DTC Detection ConditionTrouble Area
U0101Lost communication with ECMCAN communication system
U0142Lost communication with main body ECU (multiplex network body ECU)
U0155Lost communication with combination meter

HINT

When 2 or more DTCs starting with "U" are output simultaneously, inspect the connectors and wire harnesses of each ECU.

This circuit consists of the No. 1 clearance warning buzzer and clearance warning ECU assembly. An ECU-excited type buzzer is used. The ECU operates the buzzer using a sound pattern that changes depending on the distance to the obstacle.

Scheme 31

Scheme 31: WIRING DIAGRAM

This circuit provides power to operate the clearance warning ECU assembly.

Scheme 32

Scheme 32: WIRING DIAGRAM