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

2 CHECK WHETHER ENGINE CRANKS

3 CHECK WHETHER ENGINE STARTS

4 CHECK AIR FILTER

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

5 CHECK IDLING SPEED

(a) Check the idling speed (See page EM-2).

6 CHECK FUEL PRESSURE

(a) Check the fuel pressure (See page FU-7).

7 CHECK FOR SPARKS

(a) Check for sparks (See page ES-217).

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 tes ...

Other materials:

Trailer towing tips
Your vehicle will handle differently when towing a trailer. Help to avoid an accident, death or serious injury, keep the following in mind when towing: Speed limits for towing a trailer vary by state or province. Do not exceed the posted towing speed limit. Toyota recommends that the ve ...

Precaution
1. GENERAL PRECAUTION  When using the battery during inspection, do not bring the positive and negative tester probes too close to each other as a short circuit may occur. PARTS LOCATION SYSTEM DIAGRAM 1. SIGNAL COMMUNICATION TABLE Driver Side Power Seat (w ...

Customize parameters
HINT: The following items can be customized. NOTICE:  After confirming whether the items requested by the customer are applicable or not for customization, perform customize operations.  Be sure to record the current settings before customizing.  When troubleshooting, ...

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