Toyota Sienna Service Manual: Ignition system

Engine

Ignition coil and spark plug

Other materials:

Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 2. REMOVE FRONT BUMPER ASSEMBLY Remove the 4 screws and separate the fender liner from the front bumper assembly. Remove the 8 screws and separate the engine under cover from the front bumper assembly. Remove the 5 ...

Data list / active test
1. 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 discovered ...

High pitched horn
COMPONENTS REMOVAL 1. REMOVE FRONT BUMPER COVER 2. REMOVE HIGH PITCHED HORN  Disconnect the connector.  Remove the bolt and horn. INSPECTION 1. INSPECT HIGH PITCHED HORN  Apply battery voltage and check operation of the horn, as shown in the table. Standard ...