Toyota Sienna Service Manual: Ignition coil and spark plug

Ignition system

Parts location System diagram ...

On-vehicle inspection

NOTICE: In this section, the terms "cold" and "hot" refer to the temperature of the coils. "Cold" means approximately - 10°C (14°F) to 50°C (122°F). & ...

Other materials:

Installation
1. Install speed sensor (nc sensor) (a) Coat the O-ring with ATF. (b) Install the speed sensor with the bolt. Torque: 11 N*m (115 kgf*cm, 8 ft.*lbf) HINT: Make sure to install the same manufacturer's sensor. (c) Connect the speed sensor connector. 2. INSTALL SPEED SENSOR (NT SENSOR) ...

ECM / PCM Processor
DTC P0606 ECM / PCM Processor DESCRIPTION The ECM continuously monitors its internal processors (CPUs), A/F sensor transistors and heated oxygen sensor (HO2S) transistors. This self-check ensures that the ECM is functioning properly. These are diagnosed by internal "mirroring" of t ...

Situations when it is necessary to contact dealers before towing
The following may indicate a problem with your transaxle. Contact your Toyota dealer or commercial towing service before towing. The engine is running but the vehicle does not move. The vehicle makes an abnormal sound Towing with a sling-type truck Do not tow with a sling-type truck to p ...