Toyota Sienna Service Manual: Ignition system

Engine

Ignition coil and spark plug

Other materials:

Power slide door warning buzzer
INSPECTION 1. INSPECT POWER SLIDE DOOR WARNING BUZZER LH Check the resistance of the buzzer. Resistance If the result is not as specified, replace the buzzer. NOTICE: The circuit that causes the buzzer to sound is built into the slide door ECU, not around the buzzer. Direct ...

Engine Control System Malfunction
DTC C1201/51 Engine Control System Malfunction DESCRIPTION If trouble occurs the engine control system, the ECM transmits the abnormality to the skid control ECU. The skid control ECU set this DTC and the skid control ECU prohibits TRAC and VSC control. INSPECTION PROCEDURE 1 CHECK ENGIN ...

Purpose of readiness tests
The On-Board Diagnostic (OBD II) system is designed to monitor the performance of emissionrelated components, and indicate any detected abnormalities with DTCs (Diagnostic Trouble Codes). Since various components need to be monitored in different driving conditions, the OBD II system ...