Lexus NX: Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
HINT:
Inspect the vehicle ECM using check mode. Intermittent problems are easier to detect with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default), which uses 2 trip detection logic.
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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
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 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
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SYSTEM DIAGRAM SYSTEM DIAGRAM (a) The CAN communication system is composed of 5 buses. CAN Main Bus Line Terminating Resistor CAN Branch Line * Gateway Function Equipped ECU Bus Monitoring Direction - - Connected to Code ECU/Sensor Name CAN DTC Storage
TERMINALS OF ECU CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY, MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (a) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly. Click here *1 Main Body ECU (Multiplex Network Body ECU) - - (b) Co
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