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 |
Test Mode Procedure
TEST MODE PROCEDURE
1. DESCRIPTION
HINT:
When using a chassis dynamometer, brake tester, etc. to perform a vehicle test,
activate test mode to avoid a "different tire diameter installed" incorrect judgment.
Test mode does not have a AWD paramet ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE ENGINE COVER JOINT
(a) Remove the 3 joints.
2. REMOVE SPARK PLUG
3. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Intake Side)
4. REMOVE CAMSHAFT TIM ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Perform troubleshooting in accordance with the following flowchart.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...