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:
Open in Outer Mirror Indicator(Master) (C1AB4)
DESCRIPTION
This DTC is stored when the blind spot monitor sensor LH detects an open in the
blind spot monitor indicator LH.
DTC Code
DTC Detection Condition
Trouble Area
C1AB4
With the blind spot monitor main switch assembly (warning ...
Air Mix Damper Position Sensor Circuit (Passenger Side) (B1431/31)
DESCRIPTION
This sensor detects the position of the air mix damper (for front passenger side)
and sends the appropriate signals to the air conditioning amplifier assembly. The
position sensor is built into the No. 2 air conditioning radiator damper servo sub-assembly
(for front passenger side ...
Portable Player cannot be Registered
CAUTION / NOTICE / HINT
HINT:
Some versions of "Bluetooth" compatible audio players may not function, or the
function may be limited using the navigation receiver assembly, even if the portable
audio player itself can play files (See page ).
PROCEDURE
1.
CHE ...
