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:

Standard bolt
HOW TO DETERMINE BOLT STRENGTH SPECIFIED TORQUE FOR STANDARD BOLTS HOW TO DETERMINE NUT STRENGTH HINT: *: Nut with 1 or more marks on one side surface of the nut. Use a nut with the same nut strength classification number (or greater) as the bolt strength classification number ...

Removal
1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM (See page AC-172) 2. REMOVE FRONT WHEEL RH 3. REMOVE FRONT FENDER APRON SEAL RH (See page EM-26) 4. REMOVE V-RIBBED BELT (See page EM-6) 5. REMOVE RADIATOR AND FAN ASSEMBLY (See page CO-28) 6. DISCONNECT DISCHARGE HOSE SUB-ASSEMBLY (a) Re ...

Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 2. REMOVE HEATED OXYGEN SENSOR (for Bank 1 Sensor 2) (a) Disconnect the sensor connector under the center console. (b) Using SST, remove the heated oxygen sensor. SST 09224-00010 3. REMOVE FRONT EXHAUST PIPE ASSEMBLY (a) Disconnect ...