Lexus NX: Navigation System

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 Precaution

PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: After the power switch is turned off, the radio receiver assembly records various types of memory and set

 Parts Location

PARTS LOCATION ILLUSTRATION *A w/ Parking Assist Monitor System *B w/ Panoramic View Monitor System *1 NO. 2 ENGINE ROOM RELAY BLOCK - DCM FUSE (w/ Manual [SOS] Switch) - ECU-B NO.1 FU

 System Diagram

SYSTEM DIAGRAM

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 Replacement

REPLACEMENT PROCEDURE 1. REPLACE INTAKE VALVE GUIDE BUSH (a) Heat the cylinder head sub-assembly to approximately 80 to 100°C (176 to 212°F). (b) Place the cylinder head sub-assembly on wooden blocks. (c) Using SST and a hammer, tap out the intake valve guide bush. SST: 09201-01055 SST: 09950-7

 Check Bus 3 Line for Short to +B

DESCRIPTION There may be a short circuit between one of the CAN bus lines and +B when there is no resistance between terminal 6 (CA3H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 21 (CA3L) of the central gateway ECU (network gateway ECU) and termin

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