Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001GCQC
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 - 09/2022]
Title: HYBRID / BATTERY CONTROL: HV RELAY ASSEMBLY (for NICKEL METAL HYDRIDE BATTERY): INSTALLATION; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]

INSTALLATION

PROCEDURE

1. INSTALL HV BATTERY JUNCTION BLOCK ASSEMBLY

CAUTION:

Be sure to wear insulated gloves and protective goggles.

(a) Install the HV battery junction block assembly to the No. 1 hybrid battery shield sub-assembly with the 4 nuts.

Torque:

7.5 N·m {76 kgf·cm, 66 in·lbf}

NOTICE:

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

(b) Connect the HV battery junction block assembly connector.

NOTICE:

Make sure that the connectors are connected securely.

(c) Engage the 2 claws to install the wiring harness protector.

(d) Connect the HV battery junction block assembly connector.

NOTICE:

Make sure that the connectors are connected securely.

(e) Engage the 2 claws to close the wiring harness protector.

(f) Engage the clamp.

(g) Connect the HV battery junction block assembly connector.

NOTICE:

Make sure that the connectors are connected securely.

(h) Connect the electric vehicle battery plug assembly with the bolt.

Torque:

7.5 N·m {76 kgf·cm, 66 in·lbf}

2. INSTALL UPPER NO. 1 HYBRID BATTERY COVER SUB-ASSEMBLY

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3. CONNECT FLOOR WIRE

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4. INSTALL NO. 1 HYBRID BATTERY EXHAUST DUCT

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5. CONNECT FLOOR WIRE

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6. CONNECT FLOOR UNDER WIRE

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7. INSTALL NO. 1 HV BATTERY COVER PANEL RH

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8. INSTALL BATTERY COOLING BLOWER ASSEMBLY

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9. INSTALL REAR SEAT CUSHION LEG SUB-ASSEMBLY

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10. INSTALL REAR UNDER COVER

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11. INSTALL REAR UNDER SIDE COVER LH

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12. INSTALL REAR DOOR SCUFF PLATE LH

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13. INSTALL REAR UNDER SIDE COVER RH

HINT:

Use the same procedure as for the LH side.

14. INSTALL REAR DOOR SCUFF PLATE RH

HINT:

Use the same procedure as for the LH side.

15. INSTALL REAR SEAT CUSHION LOCK HOOK

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16. INSTALL REAR SEAT CUSHION ASSEMBLY

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17. CONNECT REAR SEAT CENTER LAP TYPE BELT ASSEMBLY

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18. INSTALL SERVICE PLUG GRIP

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