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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Installation
INSTALLATION PROCEDURE 1. INSTALL ABSORBER CONTROL ECU (a) Install the absorber control ECU with the 2 bolts. Torque: 8.5 N·m {87 kgf·cm, 75 in·lbf} NOTICE:
Avoid any impact to the absorber control ECU.
Do not drop the absorber control ECU. If it is dropped, replace it with a new one.
(b
Fail-safe Chart
FAIL-SAFE CHART If a problem occurs in the power steering system, the power steering assist will be stopped or the amount of power assist will be decreased to protect the system. Power Steering System Malfunction Fail-safe Operation Power Steering Warning Light Buzzer
Torque sensor (
