| Last Modified: 7-3-2017 | 6.8:8.0.40 | Doc ID: RM000000PDM031X |
| Model Year Start: 2007 | Model: LX470 | Prod Date Range: [08/2006 - ] |
| Title: 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: BASIC INSPECTION; 2007 MY LX470 [08/2006 - ] | ||
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 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:
Perform this check with the engine stopped and ignition switch OFF.
|
Result |
Proceed to |
|---|---|
|
11 V or more |
OK |
|
Below 11 V |
NG |
| NG |
|
CHARGE OR REPLACE BATTERY |
|
|
2. |
CHECK WHETHER ENGINE WILL CRANK |
| NG |
|
PROCEED TO PROBLEM SYMPTOMS TABLE |
|
|
3. |
CHECK WHETHER ENGINE STARTS |
| NG |
|
GO TO STEP 6 |
|
|
4. |
CHECK AIR FILTER |
(a) Visually check that the air filter is not excessively contaminated with dirt or oil.
| NG |
|
REPLACE AIR FILTER |
|
|
5. |
CHECK IDLING SPEED |
| NG |
|
PROCEED TO PROBLEM SYMPTOMS TABLE |
|
|
6. |
CHECK FUEL PRESSURE |
| NG |
|
PROCEED TO TROUBLESHOOTING |
|
|
7. |
CHECK FOR SPARK |
| NG |
|
PROCEED TO TROUBLESHOOTING |
| OK |
|
PROCEED TO PROBLEM SYMPTOMS TABLE |
|
|