Toyota Sienna Service Manual: Ignition system

Engine

Ignition coil and spark plug

Other materials:

Terminals of ECU
1. Instrument Panel Junction Block Assembly ...

Terminals of ecm
1. Ecm Hint: each ecm terminal's standard voltage is shown in the table below. In the table, first follow the information under "condition". Look under "symbols (terminal no.)" For the terminals to inspected. The standard voltage between the terminals is shown under ...

Dtc check / clear
Notice:All the stored dtcs and freeze frame data are erased if: 1) the ecm is changed from normal mode to check mode or vice versa; or 2) the ignition switch is turned from on to acc or off while in check mode. Before changing modes, always check and make a note of any dt ...