Sfi System - Basic Inspection

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - 1UR-FE ENGINE CONTROL


SFI SYSTEM - BASIC INSPECTION

When a malfunction cannot be 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 performing 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 performing engine troubleshooting.

1.CHECK BATTERY VOLTAGE
  • NOTICE:
  • Conduct this check with the engine stopped and the engine switch off.
Result
ResultProceed to
11 V or higherOK
Below 11 VNG
NG.
CHARGE OR REPLACE BATTERY
OK
2.CHECK WHETHER ENGINE WILL CRANK
NG.
PROCEED TO PROBLEM SYMPTOMS TABLE ()
OK
3.CHECK WHETHER ENGINE STARTS
NG.
GO TO STEP 6
OK
4.CHECK AIR FILTER

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

NG.
REPLACE AIR FILTER
OK
5.CHECK IDLING SPEED
NG.
TROUBLESHOOT IDLING SPEED AND PROCEED TO NEXT STEP
OK
6.CHECK FUEL PRESSURE
NG.
TROUBLESHOOT FUEL PRESSURE AND PROCEED TO NEXT STEP
OK
7.CHECK FOR SPARK
NG.
TROUBLESHOOT SPARK AND PROCEED TO NEXT STEP
OK
PROCEED TO PROBLEM SYMPTOMS TABLE ()