DESCRIPTION
This circuit provides power to operate the transponder key ECU assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
If the transponder key ECU assembly is replaced, register the key and ECU communication
ID (See page ).
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU - BATTERY AND BODY GROUND) |
(a) Disconnect the transponder key ECU assembly connector. |
|
(b) Measure the voltage and resistance according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D22-1 (+B) - Body ground |
Always |
11 to 14 V |
D22-2 (IG) - Body ground |
Ignition switch off |
Below 1 V |
D22-2 (IG) - Body ground |
Ignition switch ON |
11 to 14 V |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D22-16 (GND) - Body ground |
Always |
Below 1 Ω |
*1 |
Front view of wire harness connector (to Transponder Key ECU Assembly) |
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR, OR REPLACE FUSE |
System Description
SYSTEM DESCRIPTION
1. ENGINE IMMOBILISER SYSTEM DESCRIPTION
The engine immobiliser system is designed to prevent the vehicle from being stolen.
This system uses the transponder key ECU assembly that stores the key codes of authorized
ignition keys. If an ...
Removal
REMOVAL
PROCEDURE
1. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable
is reconnected (See page ).
3. REMOVE FRONT WHEE ...
Customizing the features by using the multi-information display (vehicles with
TFT type multi-information display)
Press the “SETUP” button while the vehicle is stopped.
The “Custom Settings” screen is displayed on the multi-information display.
If left idle for approximately 10 seconds, the display will revert to the previous
screen.
Select the setting yo ...