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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 42 (Fuel System - Service Information (2 Of 2)) >> FUEL PUMP (for THS-HEV Model) >> Removal [10/2022 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

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The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during fuel pump removal/installation are shown below.

NECESSARY PROCEDURES AFTER PARTS REMOVED/INSTALLED/REPLACED

Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Auxiliary battery terminal is disconnected/reconnected Operate the multiplex network master switch assembly (retractable outer mirror switch) to extend and retract the outer rear view mirror assembly Parking Support Brake System* Refer to INITIALIZATION [10/2022 - ]
Replacement of fuel pump Inspection after repair
  • Poor idle, etc.
  • Engine start function, etc.
Refer to INITIALIZATION [10/2022 - ]

*: When "[Parking Support Brake System icon] System Stopped See Owner's Manual" is displayed on the multi-information display.

WARNING:
  • Never perform work on fuel system components near any possible ignition sources.
    GTY657996Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  • Vaporized fuel could ignite, resulting in a serious accident.
  • Do not perform work on fuel system components without first disconnecting the cable from the negative (-) auxiliary battery terminal.
    GTY657995Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  • Sparks could cause vaporized fuel to ignite, resulting in a serious accident.
NOTE:

To prevent the key from being locked in the vehicle, make sure to enter e-latch inspection mode and enable the manual release handle before disconnecting the cable from the negative (-) auxiliary battery terminal.

Refer to INSPECTION MODE PROCEDURE [10/2022 - ]

HINT: 

When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

ITEMS FOR WHICH LEARNING IS COMPLETED BY DRIVING THE VEHICLE

Effect/Inoperative Function when Necessary Procedure not Performed Necessary Procedure Link
Front Camera System Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 second or more. Refer to INITIALIZATION [10/2022 - ]
Adaptive High Beam System
Lighting System (w/ Automatic Headlight Beam Level Control System)
ITEMS FOR WHICH LEARNING IS COMPLETED BY OPERATING THE VEHICLE NORMALLY

Effect/Inoperative Function when Necessary Procedure not Performed Necessary Procedure Link
Power Back Door System Reset back door close position Refer to INITIALIZATION [10/2022 - ]
Air Conditioning System After the ignition switch is turned to ON, the servo motor standard position is recognized. -


COMPONENTS (REMOVAL) 

Fig 1: Fuel Pump (For 1Motor-HEV Model) Removal Components (1 Of 4)
GTY1130044Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Procedure Part Name Code
1 PRECAUTION - See step  1 - -
2 DISCHARGE FUEL SYSTEM PRESSURE - See step  2 - -
3 BATTERY SERVICE COVER PLATE 58491E - - -
4 DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL - - - -
Fig 2: Fuel Pump (For 1Motor-HEV Model) Removal Components (2 Of 4)
GTY1132497Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Procedure Part Name Code
5 REAR SEAT CUSHION ASSEMBLY - See step  5 - -
6 REAR SEAT CUSHION LOCK HOOK 72693 - - -
7 REAR DOOR SCUFF PLATE LH 67918A - - -
8 NO. 3 BATTERY SERVICE COVER BOARD 58467J - - -
9 REAR DOOR SCUFF PLATE RH 67917A - - -
10 NO. 2 BATTERY SERVICE COVER BOARD 58466K - - -
11 BATTERY SERVICE COVER BOARD 58464D - - -
12 CONSOLE REAR END PANEL SUB-ASSEMBLY - See step  12 - -
Non-reusable part - -
Fig 3: Fuel Pump (For 1Motor-HEV Model) Removal Components (3 Of 4)
GTY1130988Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Procedure Part Name Code
13 FRONT DOOR SCUFF PLATE LH 67914B - - -
14 FRONT DOOR SCUFF PLATE RH 67913B - - -
15 FRONT DOOR OPENING TRIM WEATHERSTRIP LH 62312B - - -
16 FRONT DOOR OPENING TRIM WEATHERSTRIP RH 62311B - - -
17 REAR DOOR OPENING TRIM WEATHERSTRIP LH 62332A - - -
18 REAR DOOR OPENING TRIM WEATHERSTRIP RH 62331A - - -
19 LAP BELT OUTER ANCHOR COVER 73233 - - -
20 FRONT SEAT OUTER BELT ASSEMBLY LH 73220 - - -
21 FRONT SEAT OUTER BELT ASSEMBLY RH 73210 - - -
22 CENTER PILLAR LOWER GARNISH LH 62414A - - -
23 CENTER PILLAR LOWER GARNISH RH 62413A - - -
Fig 4: Fuel Pump (For 1Motor-HEV Model) Removal Components (4 Of 4)
GTY1133598Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Procedure Part Name Code
24 REAR FLOOR SERVICE HOLE COVER 58325E - - -
25 FUEL TANK PRESSURE SENSOR (VAPOR PRESSURE SENSOR) 89461 See step  25 - -
26 FUEL TANK WIRE 82413A - - -
27 FUEL TANK VENT HOSE SUB-ASSEMBLY 77404 See step  27 - -
28 FUEL TANK MAIN TUBE SUB-ASSEMBLY 77209F See step  28 - -
29 NO. 1 FUEL TUBE CLAMP 77285G - - -
30 FUEL PUMP GAUGE RETAINER 77144 See step  30 - -
31 FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEMBLY 77020A See step  31 - -
32 FUEL SUCTION TUBE SET GASKET 77169A - - -
*1 TUBE JOINT CLIP - -
Non-reusable part - -