Toyota Sienna Service Manual: Ignition system

Engine

Ignition coil and spark plug

Other materials:

Problem symptoms table
If there are no DTCs output but the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting page. NOTICE: When replacing the brake actuator assembly, sensor, etc., turn the ignition switch off. HINT: ...

Problem symptoms table
HINT:  Before performing verification listed in the table below, check the fuse and relay.  Check the circuits for each problem symptom in the order given in the table below, and proceed to the relevant page. CLEARANCE SONAR SYSTEM: *1: with Front Clearance Sonar *2: wit ...

Back Sonar Sensor LH Circuit
DESCRIPTION An ultrasonic sensor consists of a sensor portion that transmits and receives ultrasonic waves and a preamplifier that amplifies them. The ultrasonic sensor outputs the ultrasonic waves and sends the received signals to the clearance warning ECU. WIRING DIAGRAM INSPECTION PR ...