Toyota Sienna Service Manual: Ignition switch

Starter relay

On-vehicle inspection 1. Inspect starter relay (a) Using an ohmmeter, measure the resistance between each terminal. Standard resistance If the result is not as specified, replace the starter ...

Removal

1. Disconnect cable from negative battery terminal 2. REMOVE STEERING COLUMN COVER LOWER (A) insert the key into the ignition key cylinder and release the steering lock. (B) turn the steeri ...

Other materials:

Data list / active test
1. READ DATA LIST HINT: Using the intelligent tester to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be disco ...

AVC-LAN Circuit
DESCRIPTION Each unit of the audio system connected to the AVC-LAN (communication bus) transfers the signal of each switch by communication. When a short to +B or short to ground occurs in this AVC-LAN, the audio system will not function normally as the communication is discontinued. INSP ...

Engine Coolant Temperature Circuit
DTC P0115 Engine Coolant Temperature Circuit DTC P0117 Engine Coolant Temperature Circuit Low Input DTC P0118 Engine Coolant Temperature Circuit High Input DESCRIPTION A thermistor is built into the Engine Coolant Temperature (ECT) sensor, of which the resistance value varies according to the ...