Lexus NX: System Diagram

SYSTEM DIAGRAM

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 How To Proceed With Troubleshooting

PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CONFIRM PROBLEM SYMPTOMS NEXT 3. CUSTOMER PROBLEM ANALYSIS (a) Check if the vehicle has be

 On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. CHECK AUXILIARY BATTERY (a) Check that the auxiliary battery cables are connected to the correct terminals. HINT: If they are not, connect them properly. (b) Check t

 Networking

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 Lost Communication with "Door Control Module A" (U0199)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U0199 Lost Communication with "Door Control Module A" There is no communication from the outer mirror control ECU assembly LH. Power source circuit of outer mirror control ECU assembly LH

 Parts Location

PARTS LOCATION ILLUSTRATION *1 FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH *2 SHIFT LEVER POSITION SENSOR *3 SIDE TURN SIGNAL LIGHT ASSEMBLY LH *4 SIDE TURN SIGNAL LIGHT ASSEMBLY RH *5 OUTER REAR VIEW MIRROR ASSEMBLY LH *6 OUTER REAR VIEW MIRROR ASSEMBLY RH *7 HE

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