Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM10000000276HH
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 -           ]
Title: THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): Key Cannot be Registered; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]

Key Cannot be Registered

DESCRIPTION

A maximum of 5 key ID codes can be registered.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

If the transponder key ECU assembly is replaced, refer to Registration.

Click here 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): REGISTRATION 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): REGISTRATION

PROCEDURE

1.

CHECK REGISTRATION MODE

(a) Check that the system enters registration mode.

OK:

System enters registration mode.

NG

GO TO STEP 5

OK

2.

CHECK SECURITY INDICATOR LIGHT OPERATION

(a) In registration mode, insert the door control transmitter assembly into the ignition key cylinder and check the security indicator light.

HINT:

If the new key ID code registration fails, code 2-1 will be output through the security light. Trying to re-register an already registered door control transmitter assembly will cause code 2-2 to be output when the door control transmitter assembly is inserted. If the number of registered key ID codes exceeds the maximum limit, code 2-3 will be output through the security indicator light. The output details are shown in the following illustration.

*a

Security Indicator Light

*b

Normal (Immobiliser system is operating normally)

*c

Code 2-1

*d

Code 2-2

*e

Code 2-3

-

-

Result

Proceed to

Code 2-1 or Code 2-3 is output

A

Code 2-2 is output

B

B

END (REGISTERED DOOR CONTROL TRANSMITTER ASSEMBLY WAS USED)

A

3.

READ VALUE USING GTS (TRANSPONDER M-CODE)

(a) Connect the GTS to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the GTS on.

(d) Enter the following menus: Body Electrical / Immobiliser / Data List.

(e) Read the Data List according to the display on the GTS.

Body Electrical > Immobiliser > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Transponder M-code

Number of registered master key

min. 0, max. 15

Number of registered master keys displayed

-

Body Electrical > Immobiliser > Data List

Tester Display

Transponder M-code

Result

Proceed to

5 is displayed for "Transponder M-code"

A

Values are other than above

B

A

MAXIMUM NUMBER OF DOOR CONTROL TRANSMITTER ASSEMBLIES ALREADY REGISTERED

B

4.

KEY REGISTRATION

(a) Refer to the table below to determine if additional door control transmitter assemblies can be registered.

Number of Door Control Transmitter Assemblies Registered

Proceed to

0

New key ID code registration

1 to 5

Additional key ID code registration

(b) Check if an additional door control transmitter assembly can be registered.

OK:

Additional door control transmitter assembly can be registered.

OK

END (DOOR CONTROL TRANSMITTER ASSEMBLY MALFUNCTION)

NG

REPLACE TRANSPONDER KEY ECU ASSEMBLY 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: TRANSPONDER KEY ECU: REMOVAL 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: TRANSPONDER KEY ECU: REMOVAL

5.

INSPECT UNLOCK WARNING SWITCH ASSEMBLY

(a) Remove the unlock warning switch assembly.

Click here 2020 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 -        ]; DOOR LOCK: UNLOCK WARNING SWITCH: REMOVAL

(b) Inspect the unlock warning switch assembly.

Click here 2020 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 -        ]; DOOR LOCK: UNLOCK WARNING SWITCH: INSPECTION

NG

REPLACE UNLOCK WARNING SWITCH ASSEMBLY

OK

6.

CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU ASSEMBLY - UNLOCK WARNING SWITCH ASSEMBLY)

(a) Disconnect the I67 transponder key ECU assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

I13-1 - I67-5 (KSW)

Always

Below 1 Ω

I13-2 - Body ground

Always

Below 1 Ω

I13-1 or I67-5 (KSW) - Other terminals and body ground

Always

10 kΩ or higher

OK

REPLACE TRANSPONDER KEY ECU ASSEMBLY 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: TRANSPONDER KEY ECU: REMOVAL 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: TRANSPONDER KEY ECU: REMOVAL

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR