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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 Check Bus 2 Line for Short to +B

DESCRIPTION There may be a short circuit between one of the CAN bus wire and +B when there is no resistance between terminal 18 (CA4H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 17 (CA4L) of the central gateway ECU (network gateway ECU) and termin

 Lost Communication With TCM (U0101,U0122,U0124,U0126,U0293)

DESCRIPTION The absorber control ECU receives signals from the skid control ECU (brake booster with master cylinder assembly), steering sensor, airbag ECU assembly (built into acceleration sensor), ECM and hybrid vehicle control ECU via CAN communication. When DTCs indicating a CAN communication sys

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