Lexus NX: Removal

REMOVAL

PROCEDURE

1. PRECAUTION

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2. CHECK FOR DTC

(a) Check for DTCs.

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NOTICE:

Confirm that P0AA6 (Hybrid Battery Voltage System Isolation Fault) is not output before removing or installing an HV battery module. If this DTC is output, perform troubleshooting for this DTC first.

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3. REMOVE SERVICE PLUG GRIP

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4. DISCONNECT WIRE HARNESS

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5. DISCONNECT INVERTER RESERVE TANK ASSEMBLY

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6. REMOVE CONNECTOR COVER ASSEMBLY

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7. CHECK TERMINAL VOLTAGE

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8. INSTALL CONNECTOR COVER ASSEMBLY

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9. REMOVE REAR SEAT ASSEMBLY

for Manual Seat: Click here

for Power Seat: Click here

10. REMOVE NO. 2 HYBRID VEHICLE BATTERY SHIELD REINFORCEMENT

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11. REMOVE HV BATTERY JUNCTION BLOCK ASSEMBLY

CAUTION:

Wear insulated gloves and use insulated tools.

(a) Using an insulated tool, remove the 3 nuts, and disconnect the 2 No. 2 frame wires (high-voltage cables) and ground terminal.

*a

Ground Terminal

(b) Disconnect the 4 connectors.

NOTICE:

Insulate the removed connector with insulating tape.

(c) Remove the 3 nuts and hybrid junction block assembly.

NOTICE:

If the hybrid battery junction block assembly has been dropped, replace it with a new one.

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 Inspection

INSPECTION PROCEDURE 1. INSPECT HV BATTERY JUNCTION BLOCK ASSEMBLY (a) Inspect SMRB: (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connect

 Installation

INSTALLATION PROCEDURE 1. INSTALL HV BATTERY JUNCTION BLOCK ASSEMBLY CAUTION: Wear insulated gloves and use insulated tools. (a) Install the hybrid battery junction block assembly with the 3 nuts. Tor

 Hybrid Control System

SEE MORE:

 Relay

On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT IGNITION CONTROL RELAY (IGCT) (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 3 - 5 Auxiliary battery voltage is not applied

 Precaution

PRECAUTION CAUTION: While the auxiliary battery is connected, even if the power switch is off, the brake control system activates when the brake pedal is depressed or the door courtesy switch is turned on. Therefore, during servicing of the brake system components, do not depress the brake pedal

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