Model Name:
4Runner GRN210 215 UZN210 215
Section:
1Gr-Fe Engine Control System
Check battery voltage
Check whether engine cranks
Check whether engine starts
Check air filter
Check idling speed
Check fuel pressure
Check for spark
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:
Result
| Proceed to
|
11 V or more
| 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 FILTER
Visually check that the air filter is not excessively contaminated with dirt or oil.
| NG. |  |
| REPLACE AIR FILTER |
| OK |
|  |
|
|
5.CHECK IDLING SPEED
Check the idling speed (Click here).
| NG. |  |
| TROUBLESHOOT IDLING SPEED AND PROCEED TO NEXT STEP |
| OK |
|  |
|
|
6.CHECK FUEL PRESSURE
Check the fuel pressure (Click here).
| NG. |  |
| TROUBLESHOOT FUEL PRESSURE AND PROCEED TO NEXT STEP |
| OK |
|  |
|
|
7.CHECK FOR SPARK
Check for spark (Click here).
| NG. |  |
| TROUBLESHOOT SPARK AND PROCEED TO NEXT STEP |
| OK |
|  |
|
|
PROCEED TO PROBLEM SYMPTOMS TABLE
|