DESCRIPTION
An ultrasonic sensor consists of a sensor portion that transmits and receives ultrasonic waves and a preamplifier that amplifies them. The ultrasonic sensor outputs the ultrasonic waves and sends the received signals to the clearance warning ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT NO. 1 ULTRASONIC SENSOR
Standard resistance
2 CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - NO. 1 ULTRASONIC SENSOR)
Standard resistance
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Removal
1. REMOVE REAR SEAT LEG SIDE GARNISH SUBASSEMBLY RH
Disengage the clips and remove the seat leg side
garnish sub-assembly RH.
2. REMOVE REAR NO. 2 SEAT ASSEMBLY RH
Remove the bolt and locus cable RH.
Remove the 2 bolts and rear No. 2 seat assembly
RH.
R ...
Front Occupant Classification Sensor LH Collision
Detection
DTC B1785 Front Occupant Classification Sensor LH Collision
Detection
DESCRIPTION
DTC B1785 is output when the occupant classification ECU receives a collision
detection signal sent by
the front occupant classification sensor LH if an accident occurs.
DTC B1785 is also output when the front ...
Room temperature sensor (for rear air conditioning system)
ON-VEHICLE INSPECTION
1. INSPECT REAR A/C ROOM TEMPERATURE SENSOR
(a) Remove the rear A/C room temperature sensor.
(b) Disconnect the connector from the rear A/C room
temperature sensor.
(c) Measure the resistance according to the value(s) in
the table below.
Standard resistance
NOTI ...