DESCRIPTION
The No. 1 ultrasonic sensor (front left sensor) is installed on the front bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (front left sensor). If the No. 1 ultrasonic sensor (front left sensor) has an open circuit or other malfunction, it will not function normally.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
C1AE1 |
A malfunction of the No. 1 ultrasonic sensor (front left sensor). |
|
CAUTION / NOTICE / HINT
NOTICE:
If DTCs are output after repairs, turn the engine switch on (IG) and turn the clearance sonar main switch on. Then clear the DTCs (See page ).
PROCEDURE
1. |
CHECK DTC OUTPUT |
(a) Check for DTCs (See page ).
Result |
Proceed to |
---|---|
Only DTC C1AE1 is output |
A |
DTC C1AE1 and C1AEC are output |
B |
No DTCs are output |
C |
B |
GO TO DTC (C1AEC) |
C |
USE SIMULATION METHOD TO CHECK |
|
2. |
REPLACE NO. 1 ULTRASONIC SENSOR (FRONT LEFT SENSOR) |
(a) Replace the No. 1 ultrasonic sensor (front left sensor) 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 |
---|---|
DTC C1AE1 is output |
A |
No DTCs are output |
B |
A |
REPLACE CLEARANCE WARNING ECU ASSEMBLY |
B |
END |
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC (CHECK USING TECHSTREAM)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Navigation System / Trouble
Codes.
(e) Chec ...
Receiver Error (C2176/76)
DESCRIPTION
The signals are transmitted to the tire pressure warning antenna and receiver
on the body as radio waves and then sent to the tire pressure warning ECU.
DTC No.
DTC Detection Condition
Trouble Area
...
Removal
REMOVAL
PROCEDURE
1. PRECAUTION
CAUTION:
Be sure to read Precaution thoroughly before servicing (See page
).
If the front seat side airbag assembly was deployed, replace the front
seat side airbag assembly, front seat frame assembly wit ...