Toyota Sienna Service Manual: Heated oxygen sensor (for 4wd)

Inspection

1. INSPECT HEATED OXYGEN SENSOR (for Bank 1 Sensor 2) (a) Measure the resistance of the sensor. Standard resistance If the resistance is not as specified, replace the sensor. 2. INSPECT HE ...

Removal

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 2. REMOVE HEATED OXYGEN SENSOR (for Bank 1 Sensor 2) (a) Disconnect the sensor connector under the center console. (b) Using SST, remove the ...

Other materials:

No. 1 Clearance Warning Buzzer Circuit
DESCRIPTION The clearance warning ECU receives the ultrasonic sensor signal to sound the front warning buzzer. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT FRONT BUZZER Remove the clearance warning ECU with front buzzer.  Apply the battery voltage to the terminals 1 and 2 o ...

Rear Air Mix Damper Position Sensor Circuit
DESCRIPTION This sensor detects the position of the rear air mix control servo motor (water valve servo motor) and sends the appropriate signals to the A/C amplifier. The position sensor is built in the rear air mix control servo motor (water valve servo motor). The position sensor's r ...

Brake Switch "A" Circuit
DTC P0571 Brake Switch "A" Circuit DESCRIPTION When the brake pedal is depressed, the stop light switch sends a signal to the ECM. When the ECM receives this signal, it cancels the cruise control. The fail-safe function operates to enable normal driving even if there is a malfuncti ...