LIGHTING (INT): BACK DOOR COURTESY SWITCH (for Sedan): INSPECTION; 2020 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019

Last Modified: 01-27-2025	6.11:8.1.0	Doc ID: RM100000001GTMX
Model Year Start: 2020	Model: GR Corolla	Prod Date Range: [01/2019 - ]
Title: LIGHTING (INT): BACK DOOR COURTESY SWITCH (for Sedan): INSPECTION; 2020 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - ]

INSPECTION

1. INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY (w/o Wireless Door Lock System)

(a) Check the operation of the luggage compartment door courtesy switch.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
2 (ACT-) - 3 (D+)	Closed (Locked)	10 kΩ or higher
2 (ACT-) - 3 (D+)	Open (Unlocked)	Below 1 Ω

If the result is not as specified, replace the luggage compartment door lock assembly.

Close (Lock)

Open (Unlock)

Component without harness connected

(Luggage Compartment Door Lock Assembly)

2. INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY (w/ Wireless Door Lock System)

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

(1) Move the door lock to the close (lock) position.

Close (Lock)

Open (Unlock)

Component without harness connected

(Luggage Compartment Door Lock Assembly)

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

OK:

Auxiliary Battery Connection

Result

Auxiliary battery positive (+) →

Terminal 1 (B)

Auxiliary battery negative (-) →

Terminal 2 (ACT-)

Luggage compartment door lock motor open (unlock) operation

If the result is not as specified, replace the luggage compartment door lock assembly.

(b) Check the operation of the luggage compartment door courtesy switch.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
2 (ACT-) - 3 (D+)	Closed (Locked)	10 kΩ or higher
2 (ACT-) - 3 (D+)	Open (Unlocked)	Below 1 Ω

If the result is not as specified, replace the luggage compartment door lock assembly.

Close (Lock)

Open (Unlock)

Component without harness connected

(Luggage Compartment Door Lock Assembly)