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 sensor RH). If the No. 1 ultrasonic sensor (rear center sensor RH) has an open circuit or other malfunction, it will not function normally.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
C1AE8 |
A malfunction of the No. 1 ultrasonic sensor (rear center 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
).
PROCEDURE
1. |
CHECK DTC OUTPUT |
(a) Check for DTCs (See page ).
Result |
Proceed to |
---|---|
Only DTC C1AE8 is output |
A |
DTC C1AE8 and C1AED are output |
B |
No DTCs are output |
C |
B | ![]() |
GO TO DTC (C1AED) |
C | ![]() |
USE SIMULATION METHOD TO CHECK |
|
2. |
REPLACE NO. 1 ULTRASONIC SENSOR (REAR CENTER SENSOR RH) |
(a) Replace the No. 1 ultrasonic sensor (rear center 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 C1AE8 is output |
NG |
OK | ![]() |
END (REAR CENTER SENSOR RH WAS DEFECTIVE) |
NG | ![]() |
REPLACE CLEARANCE WARNING ECU ASSEMBLY |
Rear Occupant Classification Sensor RH Collision Detection (B1788)
DESCRIPTION
DTC B1788 is set when the occupant detection ECU receives a collision detection
signal, which is sent by the occupant classification sensor rear RH when an accident
occurs.
DTC B1788 is also set when the front seat with adjuster frame assembly RH is
subjected to a strong impact, ...
Terminals Of Ecu
TERMINALS OF ECU
1. REAR TELEVISION CAMERA ASSEMBLY
(a) Disconnect the T22 television camera assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
Terminal No. (Symbol)
Wiring Color
Terminal Description
...
System Description
SYSTEM DESCRIPTION
GENERAL
The cruise control main switch is used to turn the dynamic radar cruise control
system on and off, as well as operate 7 functions: SET, - (COAST), TAP-DOWN, RES
(RESUME), + (ACCEL), TAP-UP and CANCEL. The SET, TAP-DOWN, and - (COAST) functions,
and the RES (RESUME) ...