Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001GUKP
Model Year Start: 2020 Model: GR Corolla Prod Date Range: [01/2019 - 09/2022]
Title: DOOR LOCK: REAR DOOR LOCK: INSPECTION; 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 09/2022]

INSPECTION

PROCEDURE

1. INSPECT REAR DOOR LOCK WITH MOTOR ASSEMBLY LH

(a) Check the operation of the door lock motor.

(1) Apply auxiliary battery voltage and check the operation of the door lock motor.

OK:

Auxiliary Battery Connection

Result

Auxiliary battery positive (+) → Terminal 4 (L)

Auxiliary battery negative (-) → Terminal 1 (UL)

Locks

Auxiliary battery positive (+) → Terminal 1 (UL)

Auxiliary battery negative (-) → Terminal 4 (L)

Unlocks

If the result is not as specified, replace the rear door lock with motor assembly LH.

*a

Unlock

*b

Lock

*c

Component without harness connected

(Rear Door Lock with Motor Assembly LH)

(b) Check the operation of the unlock detection switch. (w/ Door Unlock Detection Switch)

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

6 (LSSR) - 9 (E)

Locked

10 kΩ or higher

6 (LSSR) - 9 (E)

Unlocked

Below 1 Ω

If the result is not as specified, replace the rear door lock with motor assembly LH.

2. INSPECT REAR DOOR LOCK WITH MOTOR ASSEMBLY RH

(a) Check the operation of the door lock motor.

(1) Apply auxiliary battery voltage and check the operation of the door lock motor.

OK:

Auxiliary Battery Connection

Result

Auxiliary battery positive (+) → Terminal 4 (L)

Auxiliary battery negative (-) → Terminal 1 (UL)

Locks

Auxiliary battery positive (+) → Terminal 1 (UL)

Auxiliary battery negative (-) → Terminal 4 (L)

Unlocks

If the result is not as specified, replace the rear door lock with motor assembly RH.

*a

Unlock

*b

Lock

*c

Component without harness connected

(Rear Door Lock with Motor Assembly RH)

(b) Check the operation of the unlock detection switch. (w/ Door Unlock Detection Switch)

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

6 (LSSR) - 9 (E)

Locked

10 kΩ or higher

6 (LSSR) - 9 (E)

Unlocked

Below 1 Ω

If the result is not as specified, replace the rear door lock with motor assembly RH.