Toyota Tacoma 2015-2018 Service Manual: Rear Left Center Sensor Malfunction (C1AE7)
DESCRIPTION
The No. 1 ultrasonic sensor (rear center sensor LH) is installed on the rear bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (rear center sensor LH). If the No. 1 ultrasonic sensor (rear center sensor LH) has an open circuit or other malfunction, it will not function normally.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1AE7 |
A malfunction of the No. 1 ultrasonic sensor (rear center sensor LH). |
|
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
.gif)
).
PROCEDURE
|
1. |
CHECK DTC OUTPUT |
(a) Check for DTCs (See page ).
|
Result |
Proceed to |
|---|---|
|
Only DTC C1AE7 is output |
A |
|
DTC C1AE7 and C1AED are output |
B |
|
No DTCs are output |
C |
| B | .gif) |
GO TO DTC (C1AED) |
| C | |
USE SIMULATION METHOD TO CHECK |
|
.gif)
|
2. |
REPLACE NO. 1 ULTRASONIC SENSOR (REAR CENTER SENSOR LH) |
(a) Replace the No. 1 ultrasonic sensor (rear center sensor LH) with a known
good one (See page ).
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 ).
|
Result |
Proceed to |
|---|---|
|
No DTCs are output |
OK |
|
DTC C1AE7 is output |
NG |
| OK | |
END (REAR CENTER SENSOR LH WAS DEFECTIVE) |
| NG | |
REPLACE CLEARANCE WARNING ECU ASSEMBLY |
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.
...
Clearance Sonar Main Switch Circuit
DESCRIPTION
The back sonar or clearance sonar switch assembly is installed at the base of
the driver side of the instrument panel.
When the back sonar or clearance sonar switch assembly is turned ...
Other materials:
Installation
INSTALLATION
PROCEDURE
1. INSTALL TRANSFER POSITION SWITCH
(a) Attach the 2 claws to install the transfer position switch.
2. INSTALL AIR CONDITIONING CONTROL ASSEMBLY (for Automatic Air Conditioning
System)
(See page )
3. INSTALL INTEGRATION PANEL SUB-ASSEMBLY (for Manual Cooler System)
...
Connecting Bluetooth®
The following can be performed using Bluetooth® wireless communication: ■
A portable audio player can be operated and listened to via multimedia system
■ Hands-free phone calls can be made via a cellular phone
In order to use wireless communication, register and connect a Bluetooth ...
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for both the RH and LH sides.
The procedure described below is for the LH side.
PROCEDURE
1. INSTALL FRONT SHOULDER BELT ANCHOR ADJUSTER ASSEMBLY
(a) Engage the guide to temporarily install the front ...