Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001ARAV
Model Year Start: 2019 Model: Avalon HV Prod Date Range: [04/2018 - 08/2020]
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: CENTER AIRBAG SENSOR ASSEMBLY: INSTALLATION; 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]

INSTALLATION

PROCEDURE

1. INSTALL AIRBAG ECU ASSEMBLY

(a) Check that the engine switch (for Gasoline Model) or power switch (for HV Model) is off.

(b) Check that the cable is disconnected from the negative (-) auxiliary battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

(c) Install the airbag ECU assembly with the 3 bolts.

Torque:

17.5 N·m {178 kgf·cm, 13 ft·lbf}

NOTICE:

  • Temporarily tighten the 2 bolts in the order of (A), (B) and then fully tighten the 3 bolts in the order of (C), (A) and (B).
  • If the airbag ECU assembly has been dropped, or there are any cracks, dents or other defects in the case or connector, replace it with a new one.
  • When installing the airbag ECU assembly, make sure that the wire harness does not interfere with other parts and is not pinched.
  • When the engine switch (for Gasoline Model) or power switch (for HV Model) is first turned on (IG) after the airbag ECU assembly has been replaced, make sure that no one is in the vehicle.

(d) Temporarily connect the connector and then move the lock lever in the direction indicated by the arrow to securely connect the connectors.

NOTICE:

When connecting any airbag connector, take care not to damage the airbag wire harness.

*a

Lock Lever

Move in this Direction

(e) Check that there is no looseness in the installed parts of the airbag ECU assembly.

2. INSTALL NO. 1 CONSOLE BOX DUCT

(a) Install the No. 1 console box duct with the clip as shown in the illustration.

Install in this Direction

3. INSTALL FRONT FLOOR CARPET ASSEMBLY

(a) Install the front floor carpet assembly to its original position as shown in the illustration.

(b) Engage the 2 guides.

(c) Install the 3 front floor carpet clips.

(d) Install the front floor carpet assembly to its original position as shown in the illustration.

(e) Engage the 2 guides.

(f) Install the 3 front floor carpet clips.

4. INSTALL ACCELERATOR PEDAL

for 2GR-FKS: Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE CONTROL): ACCELERATOR PEDAL: INSTALLATION+

for A25A-FXS: Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; HYBRID / BATTERY CONTROL: ACCELERATOR PEDAL SENSOR: INSTALLATION+

5. INSTALL ACCELERATOR PEDAL PAD

for 2GR-FKS: Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE CONTROL): ACCELERATOR PEDAL: INSTALLATION+

for A25A-FXS: Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; HYBRID / BATTERY CONTROL: ACCELERATOR PEDAL SENSOR: INSTALLATION+

6. INSTALL NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; INTERIOR PANELS / TRIM: INSTRUMENT PANEL SAFETY PAD: INSTALLATION+

7. INSTALL CENTER PILLAR LOWER GARNISH LH

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; INTERIOR PANELS / TRIM: ROOF HEADLINING: INSTALLATION+

8. CONNECT REAR DOOR OPENING TRIM WEATHERSTRIP LH

9. INSTALL REAR DOOR SCUFF PLATE LH (for Gasoline Model)

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; INTERIOR PANELS / TRIM: ROOF HEADLINING: INSTALLATION+

10. INSTALL REAR DOOR SCUFF PLATE LH (for HV Model)

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; INTERIOR PANELS / TRIM: ROOF HEADLINING: INSTALLATION+

11. CONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP LH

12. INSTALL COWL SIDE TRIM SUB-ASSEMBLY LH

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; INTERIOR PANELS / TRIM: ROOF HEADLINING: INSTALLATION+

13. INSTALL FRONT DOOR SCUFF PLATE LH

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; INTERIOR PANELS / TRIM: ROOF HEADLINING: INSTALLATION+

14. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; INTERIOR PANELS / TRIM: INSTRUMENT PANEL SAFETY PAD: INSTALLATION+

15. INSTALL CENTER PILLAR LOWER GARNISH RH

HINT:

Use the same procedure as for the LH side.

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; INTERIOR PANELS / TRIM: ROOF HEADLINING: INSTALLATION+

16. CONNECT REAR DOOR OPENING TRIM WEATHERSTRIP RH

17. INSTALL REAR DOOR SCUFF PLATE RH (for Gasoline Model)

HINT:

Use the same procedure as for the LH side.

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; INTERIOR PANELS / TRIM: ROOF HEADLINING: INSTALLATION+

18. INSTALL REAR DOOR SCUFF PLATE RH (for HV Model)

HINT:

Use the same procedure as for the LH side.

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; INTERIOR PANELS / TRIM: ROOF HEADLINING: INSTALLATION+

19. CONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP RH

20. INSTALL COWL SIDE TRIM SUB-ASSEMBLY RH

HINT:

Use the same procedure as for the LH side.

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; INTERIOR PANELS / TRIM: ROOF HEADLINING: INSTALLATION+

21. INSTALL FRONT DOOR SCUFF PLATE RH

HINT:

Use the same procedure as for the LH side.

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; INTERIOR PANELS / TRIM: ROOF HEADLINING: INSTALLATION+

22. INSTALL REAR SEAT CUSHION LOCK HOOK (for Gasoline Model)

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; SEAT: REAR SEAT ASSEMBLY: INSTALLATION+

23. INSTALL REAR SEAT CUSHION ASSEMBLY (for Gasoline Model)

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; SEAT: REAR SEAT ASSEMBLY: INSTALLATION+

24. CONNECT REAR CENTER SEAT OUTER BELT ASSEMBLY (for Gasoline Model)

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; SEAT: REAR SEAT ASSEMBLY: INSTALLATION+

25. INSTALL LUGGAGE COMPARTMENT INNER TRIM PAD (for Gasoline Model with Seat Heater System)

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; DOOR / HATCH: LUGGAGE COMPARTMENT DOOR SUPPORT: INSTALLATION+

26. INSTALL SPARE WHEEL COVER ASSEMBLY (for Gasoline Model with Seat Heater System)

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; DOOR / HATCH: LUGGAGE COMPARTMENT DOOR SUPPORT: INSTALLATION+

27. INSTALL CONSOLE ASSEMBLY

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; INTERIOR PANELS / TRIM: FRONT CONSOLE BOX: INSTALLATION

28. INSTALL FRONT SEAT ASSEMBLY

(a) Install the front seat assembly LH and front seat assembly RH.

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; SEAT: FRONT SEAT ASSEMBLY: INSTALLATION

29. PERFORM DIAGNOSTIC SYSTEM CHECK

for Gasoline Model: Click here 2019 - 2022 MY Avalon [04/2018 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for Gasoline Model): DTC CHECK / CLEAR

for HV Model: Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for HV Model): DTC CHECK / CLEAR

30. PERFORM YAW RATE AND ACCELERATION SENSOR ZERO POINT CALIBRATION

(a) When the airbag ECU assembly is replaced, perform zero point learning for the yaw rate and acceleration sensor.

for Gasoline Model: Click here 2019 - 2021 MY Avalon [04/2018 - 08/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model): CALIBRATION

for HV Model: Click here 2019 - 2021 MY Avalon HV [04/2018 - 08/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): CALIBRATION

HINT:

The yaw rate and acceleration sensor is built into the airbag ECU assembly.