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
SEE MORE:
Open in IG Circuit (B242E)
DESCRIPTION This DTC is output when there is a problem in the power supply for the headlight ECU sub-assembly RH. The headlight ECU sub-assembly LH outputs DTC B242E. DTC No. Detection Item DTC Detection Condition Trouble Area B242E Open in IG Circuit IG circuit malfunction in the h
Parts Location
PARTS LOCATION ILLUSTRATION *1 COMBINATION METER ASSEMBLY *2 CLIMATE CONTROL SWITCH (for Driver Side) *3 CLIMATE CONTROL SWITCH (for Front Passenger Side) *4 AIR CONDITIONING CONTROL ASSEMBLY *5 AIR CONDITIONING AMPLIFIER ASSEMBLY *6 DLC3 *7 INSTRUMENT PANEL JUNCT
