Toyota RAV4 manuals

Toyota Sienna Service Manual: 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

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

5 CHECK IDLING SPEED

  1. Check the idling speed

6 CHECK FUEL PRESSURE

  1. Check the fuel pressure

7 CHECK FOR SPARKS

  1. 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:

Reassembly
1. Install lower radiator tank (a) After checking that there are no foreign objects in the lock plate groove, install a new O-ring without twisting it. HINT: When cleaning the lock plate groove, lightly rub it with sandpaper without scratching it. (b) Tap the lock plate with a plastic ...

Diagnostic trouble code chart
COMMUNICATION DIAGNOSIS: SW: SW WITH NAME: SW CONVERTING: COMMAND SW: FRONT MONITOR: DVD PLAYER: TELEPHONE: NAVI: IN-DASH CD CHANGER: GPS: CAMERA UNIT: ...

Front Occupant Classification Sensor LH Circuit Malfunction
DTC B1780 Front Occupant Classification Sensor LH Circuit Malfunction DESCRIPTION The front occupant classification sensor LH circuit consists of the occupant classification ECU and the front occupant classification sensor LH. DTC B1780 is recorded when a malfunction is detected in the fron ...

В© 2011-2025 Copyright www.tsienna.net