Toyota Tacoma (2015-2018) Service Manual: 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 sensor RH). If the No. 1 ultrasonic sensor (rear corner sensor RH) has an open circuit or other malfunction, it will not function normally.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1AE9 |
A malfunction of the No. 1 ultrasonic sensor (rear corner sensor RH). |
|
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 C1AE9 is output |
A |
|
DTC C1AE9 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 CORNER SENSOR RH) |
(a) Replace the No. 1 ultrasonic sensor (rear corner sensor RH) 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 C1AE9 is output |
NG |
| OK | |
END (REAR CORNER SENSOR RH WAS DEFECTIVE) |
| NG | |
REPLACE CLEARANCE WARNING ECU ASSEMBLY |
Rear Right Center Sensor Malfunction (C1AE8)
DESCRIPTION
The No. 1 ultrasonic sensor (rear center sensor RH) is installed on the rear
bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic
sensor (rear center ...
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 ...
Other materials:
Engine Hood Courtesy Switch
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY)
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Text in Illustration
*a
...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals ...
Side Airbag Sensor RH Circuit Malfunction (B1620/21)
DESCRIPTION
The side airbag sensor assembly RH consists of parts such as the safing sensor,
the diagnostic circuit and the lateral deceleration sensor.
When the airbag sensor assembly receives signals from the lateral deceleration
sensor, it determines whether or not the SRS should be activate ...
