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:
Auto Down Operation does not Fully Open Power Window (Catch Protection Function
is Activated)
DESCRIPTION
If a front door glass or the power window regulator motor assembly (for driver
door) or power window regulator motor assembly (front passenger door) does not operate
smoothly, the catch protection function may be triggered automatically, resulting
in the auto down operation being ...
Removal
REMOVAL
PROCEDURE
1. REMOVE RADIATOR GRILLE
(a) w/ Toyota Safety Sense P
(1) Disconnect the connector.
(2) Disengage the clamp.
(b) Put protective tape around the radiator grille.
...
Rear Differential Lock Position SW Stuck ON (P17BC)
DESCRIPTION
This DTC is output when an ON malfunction of the differential lock indicator
switch is detected.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
P17BC
Rear Differential Lock Position SW Stuck ON
...
