Toyota Corolla Cross: 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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PROCEDURE
| 1. |
CHECK REGISTRATION MODE |
(a) Check that the system enters registration mode.
OK:
System enters registration mode.
| NG | .gif) | GO TO STEP 5 |
|
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| 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) |
|
| 3. |
READ VALUE USING GTS (TRANSPONDER M-CODE) |
(a) 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 |
- |
|
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
|
| 5. |
INSPECT UNLOCK WARNING SWITCH ASSEMBLY |
Click here
| NG | | REPLACE UNLOCK WARNING SWITCH ASSEMBLY |
|
| 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 (UN+) - I67-5 (KSW) |
Always | Below 1 Ω |
|
I13-2 (UN-) - Body ground |
Always | Below 1 Ω |
|
I13-1 (UN+) or I67-5 (KSW) - Other terminals and body ground |
Always | 10 kΩ or higher |
| OK | | REPLACE TRANSPONDER KEY ECU ASSEMBLY
|
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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