Lexus NX: Removal
REMOVAL
PROCEDURE
1. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY
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2. DRAIN COOLANT (for Inverter Coolant)
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3. REMOVE UPPER RADIATOR SUPPORT SUB-ASSEMBLY
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4. DISCONNECT NO. 2 INVERTER COOLING HOSE ASSEMBLY
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5. REMOVE WATER PUMP WITH MOTOR
| (a) Disconnect the water pump with motor connector from the water pump with motor. NOTICE: Wipe off any coolant from around both the connectors of the wire harness and water pump with motor before disconnecting them, and apply vinyl tape to the disconnected connectors to protect them from coolant. |
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| (b) Slide the hose clamp, and disconnect the No. 2 inverter cooling hose and No. 3 inverter cooling hose from the water pump with motor. NOTICE: After disconnecting the water hose, plug the pipe with vinyl tape, etc. to prevent foreign matter from entering the water pump with motor. HINT: Prepare a drain pan or cloth in case the coolant leaks. |
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| (c) Remove the 3 bolts and the water pump with motor from the HV water pump bracket sub-assembly. |
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6. REMOVE HV WATER PUMP BRACKET SUB-ASSEMBLY
| (a) Remove the 2 bolts and HV water pump bracket sub-assembly from the inverter bracket. |
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Installation
INSTALLATION PROCEDURE 1. INSTALL HV WATER PUMP BRACKET SUB-ASSEMBLY (a) Temporarily install the HV water pump bracket sub-assembly to the inverter bracket with bolt A. *a Bolt A
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System Diagram
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Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination Meter
DESCRIPTION The stereo component amplifier assembly receives a vehicle speed signal from the combination meter assembly to control the ASL function. HINT:
A voltage of 12 V or 5 V is output from each ECU and then input to the combination meter assembly. The signal is changed to a pulse signal at
