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:
Monitor Drive Pattern
MONITOR DRIVE PATTERN
1. TEST MONITOR DRIVE PATTERN FOR ECT
CAUTION:
Perform this drive pattern on a level surface and strictly observe the posted
speed limits and traffic laws while driving.
HINT:
Performing this drive pattern is one method to simulate the ECM (ECT) malfunction
detection c ...
Transfer System
Precaution
PRECAUTION
Before disassembly, clean the transfer assembly and remove any deposited
sand and mud to prevent it from entering the transfer during disassembly
and assembly.
When removing any light alloy parts such as the transfer covers, do
not pry them off with a ...
Customize Parameters
CUSTOMIZE PARAMETERS
1. CUSTOMIZE SMART KEY SYSTEM (for Entry Function)
HINT:
The following items can be customized.
NOTICE:
When the customer requests a change in a function, first make sure that
the function can be customized.
Record the current settings before customizing.
...
