DESCRIPTION
The ultrasonic sensor sends and receives ultrasonic waves. Based on the received wave, the sensor calculates the approximate distance between the vehicle and the obstacle, and sends the distance value as a signal to the clearance warning ECU assembly.
WIRING DIAGRAM
PROCEDURE
1. |
REPLACE NO. 1 ULTRASONIC SENSOR (REAR CORNER SENSOR RH) |
(a) Remove the No. 1 ultrasonic sensor (rear corner sensor RH) (See page
).
(b) Inspect the No. 1 ultrasonic sensor (rear corner sensor RH) (See page
).
NG | ![]() |
REPLACE NO. 1 ULTRASONIC SENSOR (REAR CORNER SENSOR RH) |
|
2. |
CHECK HARNESS AND CONNECTOR (REAR CORNER SENSOR RH - CLEARANCE WARNING ECU ASSEMBLY) |
(a) Disconnect the P1 No. 1 ultrasonic sensor (rear corner sensor RH) connector.
(b) Disconnect the F95 clearance warning ECU assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
P1-1 (E) - F95-17 (E1) |
Always |
Below 1 Ω |
P1-2 (S) - F95-18 (S1) |
Always |
Below 1 Ω |
P1-1 (E) - Body ground |
Always |
10 kΩ or higher |
P1-2 (S) - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Inspection
INSPECTION
PROCEDURE
1. INSPECT TRANSFER INPUT SHAFT
(a) Using a micrometer, measure the diameter of the input shaft journal.
Minimum diameter:
47.59 mm (1.88 in.)
If the diameter is less than the minimum, replace the input shaft.
(b) Usin ...
System Description
SYSTEM DESCRIPTION
1. DESCRIPTION
(a) In the Variable Flow Control (VFC) power steering system, the power steering
ECU assembly receives the steering angle signal, steering zero point memory, the
steering speed, vehicle speed signal and engine speed sign ...