Toyota Sienna Service Manual: Basic inspection

Toyota Sienna Service Manual / 2GR-FE Engine control system / SFI system / Basic inspection

When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out in all circuits considered to be possible causes of the problem. In many cases, by carrying out the basic engine check shown in the following flowchart, the location of the problem can be found quickly and efficiently. Therefore, using this check is essential when engine troubleshooting.

1 CHECK BATTERY VOLTAGE

NOTICE: Carry out this check with the engine stopped and ignition switch off.

Result

Result

2 CHECK WHETHER ENGINE CRANKS

3 CHECK WHETHER ENGINE STARTS

4 CHECK AIR FILTER

Visually check that the air filter is not excessively contaminated with dirt or oil.

5 CHECK IDLING SPEED

Check the idling speed

6 CHECK FUEL PRESSURE

Check the fuel pressure

7 CHECK FOR SPARKS

Check for sparks

PROCEED TO PROBLEM SYMPTOMS TABLE

Check for intermittent problems

1. CHECK FOR INTERMITTENT PROBLEMS HINT: For use of the intelligent tester only: Inspect the vehicle's ECM using check mode. Intermittent problems are easier to detect with an intelligent teste ...

Registration

NOTICE: The Vehicle Identification Number (VIN) must be input into the replacement ECM. HINT: The VIN is a 17-digit alphanumeric vehicle identification number. The intelligent tester is required ...

Other materials:

Air Intake Control Circuit
DESCRIPTION The air cleaner is equipped with two inlets, one of which is opened or closed by the Air Intake Control Valve (AICV). This system reduces intake noise and increases engine power at low-to-high engine speed range. When the engine is operating in the low-to-mid speed range, this ...

Installation
1. INSTALL CENTER REAR SEAT LAP TYPE BELT ASSEMBLY (for 8-Passenger) HINT: Refer to the instructions for reassembly of the rear No. 1 seat assembly (for center seat). Install the center rear seat lap type belt assembly with the bolt. Torque: 42 N*m (430 kgf*cm, 31 ft.*lbf) 2. IN ...

Repair
1. REPAIR REAR WINDOW DEFOGGER WIRE Clean the broken wire tips with grease, wax and silicone remover. Place the masking tape along the both sides of the wire. Thoroughly mix the repair agent (Dupont paste No. 4817). Using a fine tip brush, apply a smal ...