
Vehicle identification
FuelOxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1) (P2195,P2196)
DESCRIPTION
HINT:
Although the DTC titles say oxygen sensor, these DTCs relate to the
air fuel ratio sensor.
Sensor 1 refers to the sensor mounted in front of the three-way catalytic
converter and located near the engine assembly.
...
Operation Check
OPERATION CHECK
1. MALFUNCTION BUZZER
(a) Open circuit or frozen
(1) If an open circuit is detected between the ultrasonic sensors and the clearance
warning ECU assembly, if a sensor malfunction is detected or if a sensor is covered
with foreign matter, ...
Clearance Warning Buzzer Circuit
DESCRIPTION
This circuit consists of the No. 1 clearance warning buzzer and clearance warning
ECU assembly. An ECU-excited type buzzer is used. The ECU operates the buzzer using
a sound pattern that changes depending on the distance to the obstacle.
WIRI ...