DESCRIPTION
The No. 1 ultrasonic sensor (front right sensor) is installed on the front bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (front right sensor). If the No. 1 ultrasonic sensor (front right sensor) has an open circuit or other malfunction, it will not function normally.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
C1AE4 |
A malfunction of the No. 1 ultrasonic sensor (front right 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 C1AE4 is output |
A |
DTC C1AE4 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 RIGHT SENSOR) |
(a) Replace the No. 1 ultrasonic sensor (front right 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 C1AE4 is output |
A |
No DTCs are output |
B |
A | ![]() |
REPLACE CLEARANCE WARNING ECU ASSEMBLY |
B | ![]() |
END |
Removal
REMOVAL
PROCEDURE
1. REMOVE WINDSHIELD WIPER MOTOR AND LINK
(a) Remove the windshield wiper motor and link (See page
).
2. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY
3. REMOVE COOL AIR INTAKE DUCT SEAL
4. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY
...
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DESCRIPTION
Signals are input into the position control ECU and switch assembly. The built-in
ECU manages the signals received from the position control ECU and switch assembly,
and operates each motor. If the position control ECU and switch assembly rece ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
If a trouble code is displayed during the DTC check, check the trouble areas
listed for that code in the table below and proceed to the appropriate page.
Cruise Control System
DTC Code
Detection Item
...