Toyota Sienna Service Manual: Engine immobiliser

Security horn assembly

INSPECTION 1. INSPECT SECURITY HORN ASSEMBLY  Check operation of the horn. Standard If the result is not a ...

Engine immobiliser system

PARTS LOCATION SYSTEM DESCRIPTION The engine immobiliser system has been designed to prevent the vehicle from being stolen. This system uses a transponder key ECU that stores the key code of t ...

Other materials:

Check component status
(a) Compare the test value with the minimum test limit (MIN LIMIT) and maximum test limit (MAX LIMIT). (b) If the test value is between the minimum test limit and maximum test limit, the component is functioning normally. If not, the component is malfunctioning. The test value is usually sign ...

Absence of Registration Unit/ No Response for Connection Check/ Last Mode Error/ No Response Against ON / OFF Command/ Mode Status Error/ Slave Reset
DESCRIPTION HINT:  *1: Even if no fault is present, this trouble code may be stored depending on the battery condition or engine start voltage.  *2: If the power connector is disconnected after the engine starts, this code is stored after 180 seconds.  *3: If the ...

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 ...