Toyota Tacoma (2015-2018) Service Manual: Rear Left Sensor Malfunction (C1AE6)

Toyota Tacoma (2015-2018) Service Manual / Park Assist / Monitoring / Intuitive Parking Assist System / Rear Left Sensor Malfunction (C1AE6)

DESCRIPTION

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

DTC No.	DTC Detection Condition	Trouble Area
C1AE6	A malfunction of the No. 1 ultrasonic sensor (rear corner sensor LH).	No. 1 ultrasonic sensor (rear corner sensor LH) Clearance warning ECU assembly

CAUTION / NOTICE / HINT

NOTICE:

If DTCs are output after repairs, turn the ignition switch to ON and turn the back sonar or clearance sonar switch assembly on. Then clear the DTCs (See page PROCEDURE ).

PROCEDURE

1.	CHECK DTC OUTPUT

(a) Check for DTCs (See page Result ).

Result

Result	Proceed to
Only DTC C1AE6 is output	A
DTC C1AE6 and C1AED are output	B
No DTCs are output	C

GO TO DTC (C1AED)

USE SIMULATION METHOD TO CHECK

2.	REPLACE NO. 1 ULTRASONIC SENSOR (REAR CORNER SENSOR LH)

(a) Replace the No. 1 ultrasonic sensor (rear corner sensor LH) with a known good one (See page HINT: ).

HINT:

All of the sensors are interchangeable. To confirm whether a sensor is functioning normally, switch it with a known good sensor from the other end of the vehicle.

3.	CHECK DTC OUTPUT

(a) Clear the DTCs (See page (b) Check for DTCs (See page ). ).

(b) Check for DTCs (See page Result ).

Result

Result	Proceed to
No DTCs are output	OK
DTC C1AE6 is output	NG

END (REAR CORNER SENSOR LH WAS DEFECTIVE)

REPLACE CLEARANCE WARNING ECU ASSEMBLY

Rear Right Sensor Malfunction (C1AE9)

DESCRIPTION The No. 1 ultrasonic sensor (rear corner sensor RH) is installed on the rear bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (rear corner ...

Rear Sensor Communication Malfunction (C1AED)

DESCRIPTION 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. ...

Other materials:

Removal
REMOVAL CAUTION / NOTICE / HINT CAUTION: Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing (See page ). HINT: Use the same procedure for both the RH and LH sides. The procedure describe ...

System Description
SYSTEM DESCRIPTION 1. SRS (SUPPLEMENTAL RESTRAINT SYSTEM) AIRBAG SYSTEM (a) General Description (1) The SRS airbag system consists of the following airbag and main components: Airbag Access Cab Model Double Cab Model Driver Airbag Stan ...

Clearance Warning Buzzer
Components COMPONENTS ILLUSTRATION Installation INSTALLATION PROCEDURE 1. INSTALL NO. 1 CLEARANCE WARNING BUZZER (a) Connect the connector. (b) Engage the clamp to install the No. 1 clearance warning buzzer. 2. INSTALL INSTRUMENT PANEL SUB-ASSEMBLY (See page ) Removal REMOVAL ...