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. |
INSPECT NO. 1 ULTRASONIC SENSOR (REAR CENTER SENSOR LH) |
(a) Remove the No. 1 ultrasonic sensor (rear center sensor LH) (See page ).
(b) Inspect the No. 1 ultrasonic sensor (rear center sensor LH) (See page ).
NG |
REPLACE NO. 1 ULTRASONIC SENSOR (REAR CENTER SENSOR LH) |
|
2. |
CHECK HARNESS AND CONNECTOR (REAR CENTER SENSOR LH - CLEARANCE WARNING ECU ASSEMBLY) |
(a) Disconnect the P3 No. 1 ultrasonic sensor (rear center sensor LH) 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 |
---|---|---|
P3-1 (E) - F95-15 (E4) |
Always |
Below 1 Ω |
P3-2 (S) - F95-16 (S4) |
Always |
Below 1 Ω |
P3-1 (E) - Body ground |
Always |
10 kΩ or higher |
P3-2 (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 |
On-vehicle Inspection
ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE
1. CHECK REAR AIRBAG SENSOR LH (VEHICLE NOT INVOLVED IN COLLISION)
(a) Perform ...
Installation
INSTALLATION
CAUTION / NOTICE / HINT
PROCEDURE
1. TEMPORARILY INSTALL BRAKE MASTER CYLINDER PUSH ROD CLEVIS
(a) Install the lock nut and brake master cylinder push rod clevis to the brake
booster assembly.
HINT:
Tighten the lock nut after adjusting the ...