Toyota Sienna Service Manual: Ignition system

Engine

Ignition coil and spark plug

Other materials:

Reassembly
1. INSTALL INPUT SHAFT OIL SEAL RING (a) Compress a new input shaft oil seal ring from both sides to reduce dimension A. Dimension A: 5 mm (0.197 in.) (b) Coat the oil seal ring with ATF and install it to the input shaft. NOTICE: Do not expand the end gap of the oil seal ring too much. ...

Security Horn Circuit
DESCRIPTION During the alarm sounding state, the relay in the ECU turns on and off in a cycle of approximately 0.2 seconds, causing the security horn to sound. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT SECURITY HORN ASSEMBLY Disconnect the T1 security horn connector.  C ...

How to proceed with troubleshooting
1 VEHICLE BROUGHT INTO A WORKSHOP 2 DIAGNOSTIC QUESTIONING AND SYMPTOM CONFIRMATION Ask the customer about symptoms and confirm malfunctions. 3 CONFIRM THE SYSTEM NORMAL CONDITION 4 CHECK DTC HINT: If the system cannot enter the diagnosis mode, inspect each AVC-LAN communication signal ...