Basic Inspection
2GR-FE ENGINE CONTROL: SFI SYSTEM: BASIC INSPECTION
When the 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 procedure, 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 the ignition switch off.
Result
NG -- CHARGE OR REPLACE BATTERY
OK -- Continue to next step.
2. CHECK WHETHER ENGINE CRANKS
NG -- PROCEED TO PROBLEM SYMPTOMS TABLE
OK -- Continue to next step.
3. CHECK WHETHER ENGINE STARTS
NG -- GO TO STEP 6
OK -- Continue to next step.
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 -- Continue to next step.
5. CHECK IDLE SPEED
(a) Check the engine idling speed Engine.
NG -- TROUBLESHOOT IDLE SPEED AND PROCEED TO NEXT STEP
OK -- Continue to next step.
6. CHECK FUEL PRESSURE
(a) Check the fuel pressure Fuel System.
NG -- TROUBLESHOOT FUEL PRESSURE AND PROCEED TO NEXT STEP
OK -- Continue to next step.
7. CHECK FOR SPARK
(a) Check the spark Testing and Inspection.
NG -- TROUBLESHOOT IGNITION SYSTEM AND PROCEED TO NEXT STEP
OK -- PROCEED TO PROBLEM SYMPTOMS TABLE