Toyota Sienna Service Manual: Ignition coil and spark plug

Ignition system

Parts location System diagram ...

On-vehicle inspection

NOTICE: In this section, the terms "cold" and "hot" refer to the temperature of the coils. "Cold" means approximately - 10°C (14°F) to 50°C (122°F). & ...

Other materials:

How to proceed with troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP 2 CUSTOMER PROBLEM ANALYSIS 3 CHECK AND CLEAR DTCs Refer to the diagnostic check/clear 4 PROBLEM SYMPTOM CONFIRMATION 5 SYMPTOM SIMULATION 6 CHECK DTC 7 CHECK IF THE SAME SYMPTOM APPEARS IN THE NAVIGATION SYSTEM Refer to the navigation system 8 PROBLE ...

Installation
1. INSTALL CHARCOAL CANISTER ASSEMBLY (a) Install the 3 bolts and charcoal canister. Torque: 29 N*m (296 kgf*cm, 21 ft.*lbf) (b) Connect the purge line hose to the charcoal canister. (c) Connect the wire harness clamp. (d) Connect the vapor pressure sensor connector. (e) Connect t ...

Mass or Volume Air Flow Circuit
DESCRIPTION The Mass Air Flow (MAF) meter is a sensor that measures the amount of air flowing through the throttle valve. The ECM uses this information to determine the fuel injection time and to provide appropriate airfuel ratio. Inside the MAF meter, there is a heated platinum wire whic ...