Lexus ES manuals

Lexus ES: Basic Inspection

Lexus ES (XZ10) Service Manual / Engine & Hybrid System / A25a-fxs (engine Control) / Sfi System / 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 AUXILIARY BATTERY VOLTAGE

NOTICE:

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

Result

Proceed to

11 V or higher

OK

Below 11 V

NG
NG

CHARGE OR REPLACE AUXILIARY 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

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