Lexus NX: Precaution
PRECAUTION
PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL
NOTICE:
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After the power switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.
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When disconnecting and reconnecting the auxiliary battery
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HINT:
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.
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PRECAUTION WHEN USING TECHSTREAM
(a) When using the Techstream with the power switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Access. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.
PRECAUTION FOR REGISTRATION
(a) If replacing any of the following parts, refer to Registration.
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(1) Certification ECU (smart key ECU assembly)
(2) ID code box (immobiliser code ECU)
(3) Steering lock ECU (steering lock actuator assembly)
(4) Electrical key transmitter sub-assembly
(5) Hybrid vehicle control ECU
(6) Main body ECU (multiplex network body ECU)
(7) DCM (telematics transceiver)*
- *: for Lexus Enform Remote Compatible Type
PRECAUTIONS FOR AUXILIARY BATTERY
(a) Immediately after disconnecting and reconnecting the auxiliary battery cable, the entry unlock function may not operate. If this occurs, the entry unlock function can be restored by performing a wireless door lock and unlock or mechanical key operation.
(b) When the auxiliary battery is discharged, if the 12 V battery of another vehicle is used to jump start the hybrid control system, move the shift lever to P and open and close the driver door with the power switch off before starting the hybrid control system.
(c) After the auxiliary battery is removed and reinstalled, be sure to wait 10 seconds or more before the next hybrid control system start. The hybrid control system may not start immediately after the auxiliary battery is reinstalled.
HINT:
- After disconnecting and reconnecting the auxiliary battery cable, the hybrid control system may not start on the first attempt. If this occurs, turn the power switch off. The hybrid control system will start normally from the second time onward.
- When the auxiliary battery cable is disconnected and reconnected, the power source mode returns to the mode it was in before the auxiliary battery cable was disconnected.
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Parts Location
PARTS LOCATION ILLUSTRATION *1 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY - AM2 FUSE - STRG LOCK FUSE *2 NO. 2 ENGINE ROOM RELAY BLOCK AND NO. 2 JUNCTION BLOCK ASSEMBLY
System Diagram
SYSTEM DIAGRAM
System Description
SYSTEM DESCRIPTION IMMOBILISER SYSTEM DESCRIPTION (a) The immobiliser system determines whether or not to enable starting of the hybrid control system based on a comparison of the key ID code and the
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Installation
INSTALLATION PROCEDURE 1. INSTALL NO. 3 BATTERY SERVICE COVER BOARD (a) for Power Seat: Connect the wire harness clamp and power seat switch connector. (b) Attach the 2 claws and install the No. 3 battery service cover board. (c) Install the 2 clips. 2. INSTALL NO. 2 BATTERY SERVICE COVER BOARD HINT
Fuel Sender Gauge Assembly
ComponentsCOMPONENTS ILLUSTRATION *1 FUEL SENDER GAUGE ASSEMBLY - - N*m (kgf*cm, ft.*lbf): Specified torque - - RemovalREMOVAL PROCEDURE 1. REMOVE FUEL TANK ASSEMBLY Click here 2. REMOVE FUEL SENDER GAUGE ASSEMBLY (a) Remove the 5 screws and fuel sender gauge assembly
