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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 IG Power Supply Voltage (C1551)

DESCRIPTION The power steering ECU assembly distinguishes the power switch status as on (IG) or off through the IG power source circuit. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition C1551 IG Power Supply Voltage IG power

 A/F Sensor Slow Response - Rich to Lean Bank 1 Sensor 1 (P014C,P014D,P015A,P015B)

DESCRIPTION Refer to DTC P2195. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory P014C A/F Sensor Slow Response - Rich to Lean Bank 1 Sensor 1 The "Rich to Lean response rate deterioration level*" value is standard or less (2 trip detection log

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