Lexus NX: Problem Symptoms Table



Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Airbag System


Suspected Area


SRS warning light goes off after primary check, but then comes on

SRS Warning Light Circuit

When power switch is turned on (IG), SRS warning light sometimes comes on after approximately 6 seconds

SRS Warning Light Circuit

SRS warning light always comes on even when no DTCs are output

SRS Warning Light Circuit

When power switch is turned on (IG), SRS warning light does not come on

SRS Warning Light Circuit


 Terminals Of Ecu

TERMINALS OF ECU AIRBAG ECU ASSEMBLY Terminal No. Terminal Symbol Destination I58-1 P2+ Instrument panel passenger airbag assembly (Front passenger side squib 2nd step) I58-2 P2-

 Diagnosis System

DIAGNOSIS SYSTEM SYMPTOM SIMULATION HINT: The most difficult case in troubleshooting is when no problem symptoms occur. In such a case, a thorough problem analysis must be carried out. A simulation of

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Turn the power switch off. (b) Connect the Techstream to the DLC3. (c) Turn the power switch on (IG). (d) Turn the Techstream on. (e) Enter the following menus: Body El


 Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be dis

 Front Camera Internal Circuit (C2A60)

DESCRIPTION This DTC is stored when the parking assist ECU detects a signal indicating a malfunction in the front television camera assembly via CAN communication. DTC No. Detection Item DTC Detection Condition Trouble Area C2A60 Front Camera Internal Circuit A signal indicating a m

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