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:

Electronic control
(a) REMOVAL AND INSTALLATION OF BATTERY TERMINAL REMOVAL AND INSTALLATION OF BATTERY TERMINAL NOTICE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal. (1) Before performing electronic work, disconnect the ...

CD Sound Skips
INSPECTION PROCEDURE 1 CHECK CD Check the CD. OK: The CD is clean. HINT: If dirt is on the CD surface, wipe it clean with a soft cloth from the inside to the outside in a radial direction. NOTICE: Do not use a conventional record cleaner or antistatic preservative. 2 CHECK CD ...

Short to B+ in Front Pretensioner Squib LH Circuit
DTC B0138/72 Short to B+ in Front Pretensioner Squib LH Circuit DESCRIPTION The front pretensioner squib LH circuit consists of the center airbag sensor assembly and the front seat outer belt assembly LH. This circuit instructs the SRS to deploy when deployment conditions are met. DTC B01 ...