Toyota Sienna Service Manual: Ignition system

Engine

Ignition coil and spark plug

Other materials:

VSC Warning Light does not Come ON
DESCRIPTION The skid control ECU is connected to the combination meter via CAN and multiplex communications. If the skid control ECU stores DTCs to shut down TRAC and VSC operation, the VSC warning light comes on in the combination meter. WIRING DIAGRAM Refer to VSC Warning Light Remains ...

Speed sensor check (when using intelligent tester)
(a) Check the backward signal. (1) Drive the vehicle in reverse for more than 1 second at 3 km/h (2 mph) or higher. HINT: Drive the vehicle in reverse and check the speed sensor signal. Note that the signal check cannot be completed if the vehicle speed is 45 km/h (28 mph) or more. (b) Che ...

Knock Sensor 1 Circuit Low Input
DESCRIPTION A flat type knock sensor (non-resonant type) has a structure that can detect vibrations over a wide band of frequencies: between approximately 6 kHz and 15 kHz. Knock sensors are fitted onto the engine block to detect engine knocking. The knock sensor contains a piezoelectr ...