Toyota Avalon Service & Repair Manual: Basic Inspection

CAUTION / NOTICE / HINT

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

PROCEDURE

1.

CHECK BATTERY VOLTAGE

NOTICE:

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

Result

Proceed to

11 V or higher

OK

Below 11 V

NG

NG

CHARGE OR REPLACE BATTERY

OK

2.

CHECK WHETHER ENGINE CRANKS

NG

PROCEED TO PROBLEM SYMPTOMS TABLE

OK

3.

CHECK WHETHER ENGINE STARTS

NG

GO TO STEP 6

OK

4.

CHECK AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY

(a) Visually check that the air cleaner filter element sub-assembly is not excessively contaminated with dirt or oil.

NG

REPLACE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY

OK

5.

CHECK IDLE SPEED

(a) Check the engine idle speed.

Click here

NG

PROCEED TO PAGE AND CONTINUE TO TROUBLESHOOT

OK

6.

CHECK FUEL PRESSURE

(a) Check the fuel pressure.

Click here

NG

PROCEED TO PAGE AND CONTINUE TO TROUBLESHOOT

OK

7.

CHECK FOR SPARK

(a) Perform a spark test.

Click here

OK

PROCEED TO PROBLEM SYMPTOMS TABLE

NG

PROCEED TO PAGE AND CONTINUE TO TROUBLESHOOT

    Active Control Engine Mount System

    Brake Override System

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