Lexus NX: 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 | .gif) | CHARGE OR REPLACE AUXILIARY BATTERY |
|
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| 2. | CHECK WHETHER ENGINE CRANKS |
| NG | | PROCEED TO PROBLEM SYMPTOMS TABLE |
|
| 3. | CHECK WHETHER ENGINE STARTS |
| NG | | GO TO STEP 6 |
|
| 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 |
|
| 5. | CHECK IDLING SPEED |
(a) Check the engine idling speed.
Click here .gif)
| NG | | TROUBLESHOOT IDLING SPEED AND PROCEED TO NEXT STEP |
|
| 6. | CHECK FUEL PRESSURE |
(a) Check the fuel pressure.
Click here
| NG | | TROUBLESHOOT FUEL PRESSURE AND PROCEED TO NEXT STEP |
|
| 7. | CHECK FOR SPARK |
(a) Perform a spark test.
Click here
| OK | | PROCEED TO PROBLEM SYMPTOMS TABLE |
| NG | | TROUBLESHOOT SPARK AND PROCEED TO NEXT STEP |
READ NEXT:
Registration
REGISTRATION CAUTION / NOTICE / HINT NOTICE: The Vehicle Identification Number (VIN) must be input into a replacement ECM. HINT: The VIN is a 17-digit alphanumeric vehicle identification number. The T
Initialization
INITIALIZATION Inspection After Repair Perform learning value reset and idle learning after replacing or servicing parts related to engine operation. Details on procedures required are indicated by an
Checking Monitor Status
CHECKING MONITOR STATUS The purpose of the monitor result (mode 06) is to allow access to the results of on-board diagnostic monitoring tests of specific components/systems that are not continuously m
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Precaution
PRECAUTION PRECAUTION FOR REPLACEMENT (a) Always prepare a new bulb for immediate replacement. While replacing a bulb, the lens may attract dust and moisture if removed from the vehicle for a long time. (b) Always replace a bulb with another bulb of the same wattage. (c) If only replacing the bulb o
Removal
REMOVAL PROCEDURE 1. REMOVE REAR BUMPER COVER Click here 2. REMOVE KICK DOOR CONTROL BRACKET (a) Disconnect the connector and detach the 2 wire harness clamps. NOTICE: Do not touch the terminal of the kick door control sensor connector. (b) Remove the screw. (c) Remov
