Toyota Sienna Service Manual: Adjustment

Terminals of ECU

1. CLEARANCE WARNING ECU *1: with Front Clearance Sonar 2. AIR CONDITIONER AMPLIFIER ASSEMBLY *1: with Front Clearance Sonar *2: Manual A/C *3: Auto A/C  Reference: ...

Park / Neutral Position Switch Circuit

DESCRIPTION The clearance warning ECU receives the reverse or park position signal from the park / neutral position switch. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT CLEARANCE WARNING E ...

Other materials:

Disassembly
1. REMOVE SIDE DEFROSTER NOZZLE DUCT NO.1 (a) Remove the 2 screws <C> and defroster nozzle duct No. 1. 2. REMOVE SIDE DEFROSTER NOZZLE DUCT NO.2 (a) Remove the 2 screws <C> and defroster nozzle duct No. 2. 3. REMOVE DEFROSTER NOZZLE ASSEMBLY (a) Remove the 4 screws <C> and d ...

PCS (Pre-Collision System)
When the radar sensor detects possibility of a frontal collision, the pre-collision system such as the brakes and seat belts are automatically engaged to lessen impact as well as vehicle damage. Pre-collision warning When a high possibility of a frontal collision is detected, the pre-colli ...

Oxygen Sensor Circuit
HINT: Sensor 2 refers to the sensor mounted behind the Three-Way Catalytic Converter (TWC) and located far from the engine assembly. DESCRIPTION A three-way catalytic converter (TWC) is used in order to convert the carbon monoxide (CO), hydro carbon (HC), and nitrogen oxides (HOx) into ...