Toyota Sienna Service Manual: Radiator

Cooling fan relay

On-vehicle inspection 1. Cooling fan relay (a) Remove the relay from engine room relay block No. 1. (b) Measure the resistance of the relay. Standard resistance If the result is not as ...

On-vehicle inspection

1. CHECK RADIATOR RESERVOIR CAP SUBASSEMBLY a) Measure the valve opening pressure. (1) If there are water stains or foreign matter on rubber packings 1, 2 or 3, clean the part(s) with water ...

Other materials:

ECU Power Source Circuit
DESCRIPTION This circuit provides power to operate the theft deterrent (warning) ECU. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT FUSE (ECU-B) Remove the ECU-B fuse from the engine room J/B. Measure the resistance. Standard resistance: Below 1 Ω 2 CHECK INSTRUMENT PANEL ...

Canceling and resuming the constant speed control
Pulling the lever toward you cancels the constant speed control. The speed setting is also canceled when the brakes are applied. Pushing the lever up resumes the constant speed control. Resuming is available when the vehicle speed is more than approximately 25 mph (40 km/h). ...

Engine Coolant Temperature Receiver Gauge Malfunction
DESCRIPTION The meter CPU receives engine coolant temperature signals from the ECM via the multiplex communication lines. The meter CPU displays engine coolant temperature that is calculated based on the data received from the ECM. WIRING DIAGRAM INSPECTION PROCEDURE HINT: If there is ...