| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000001GV83 |
| Model Year Start: 2020 | Model: GR Corolla | Prod Date Range: [01/2019 - 09/2022] |
| Title: THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): Key Cannot be Registered; 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 09/2022] | ||
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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.
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![2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 09/2019]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): REGISTRATION](/t3Portal/stylegraphics/info.gif)
PROCEDURE
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1. |
CHECK REGISTRATION MODE |
(a) Check that the system enters registration mode.
OK:
System enters registration mode.
| NG |
|
|
|
2. |
CHECK SECURITY INDICATOR LIGHT (COMBINATION METER ASSEMBLY) OPERATION |
(a) In registration mode, insert the door control transmitter assembly into the ignition key cylinder and check the security indicator light (combination meter assembly).
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 (combination meter assembly). The output details are shown in the following illustration.
|
*a |
Security Indicator Light (Combination Meter Assembly) |
*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) |
|
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3. |
READ VALUE USING TECHSTREAM (TRANSPONDER M-CODE) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Immobiliser / Data List.
(e) Read the Data List according to the display on the Techstream.
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 |
|
|
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
|
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5. |
INSPECT UNLOCK WARNING SWITCH ASSEMBLY |
(a) Remove the unlock warning switch assembly.
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(b) Inspect the unlock warning switch assembly.
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| NG |
|
|
|
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 |
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REPLACE TRANSPONDER KEY ECU ASSEMBLY
|
| NG |
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REPAIR OR REPLACE HARNESS OR CONNECTOR |
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