ENGINE IMMOBILISER SYSTEM (w/o Entry and Start System) - Key Cannot be Registered

Check that the system enters registration mode.

• OK:
• System enters registration mode

In registration mode, when the key is inserted in the ignition key cylinder, check that the security indicator light blinks in the normal pattern shown below.

• HINT:

• If the new key code registration fails, code 2-1 will be output through the security indicator light. Trying to reregister an already registered key will cause code 2-2 to be output when the key is inserted. If the number of registered key codes exceeds the maximum limit, code 2-3 will be output through the security indicator light. The output details are shown below.

Connect the intelligent tester to the DLC3.

Turn the ignition switch to ON.

Turn the intelligent tester on.

Enter the following menus: Body / Immobiliser / Data List.

According to the display on the intelligent tester, read the Data List.

Refer to the table below to determine if additional keys can be registered.

Check whether key registration.

Inspect the unlock warning switch assembly ().

Disconnect the E94 unlock warning switch assembly connector.

Disconnect the E96 transponder key ECU assembly connector.

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

• Standard Resistance:

• Tester Connection	Condition	Specified Condition
  E94-1 (UN+) - E96-3 (KSW)	Always	Below 1 Ω
  E94-2 (UN-) - Body ground	Always	Below 1 Ω
  E94-1 (UN+) - Body ground	Always	10 kΩ or higher

Inspect the front door courtesy light switch assembly ().

for LHD:

for RHD: