DESCRIPTION
The security indicator light blinks continuously due to a continuous signal received from the certification ECU (smart key ECU assembly) while the engine immobiliser is set.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
If the certification ECU (smart key ECU assembly) is replaced, register the key and ECU communication ID (See page ).
PROCEDURE
1. |
PERFORM ACTIVE TEST USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Smart Key / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Smart Key (Certification ECU (Smart Key ECU Assembly))
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
---|---|---|---|
Security Indicator |
Security indicator light |
ON or OFF |
- |
OK:
The security indicator light turns on and off according to operation via the Techstream.
OK |
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
|
2. |
CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - ACCESSORY METER ASSEMBLY) |
(a) Disconnect the certification ECU (smart key ECU assembly) connector.
(b) Disconnect the accessory meter assembly connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D25-2 (INDS) - F2-14 (LP) |
Always |
Below 1 Ω |
D25-2 (INDS) - Body ground |
Always |
10 kΩ or higher |
F2-14 (LP) - Body ground |
Always |
10 kΩ or higher |
*1 |
Front view of wire harness connector (to Certification ECU (Smart Key ECU Assembly)) |
*2 |
Front view of wire harness connector (to Accessory Meter Assembly) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
CHECK HARNESS AND CONNECTOR (ACCESSORY METER ASSEMBLY - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
REPLACE ACCESSORY METER ASSEMBLY |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Driving position memory
Your preferred driving position (the position of the driver’s seat and angle
of the outside rear view mirrors) can be memorized and recalled by pressing a button.
It is also possible to set this function to activate automatically when the doors
are unl ...
System Diagram
SYSTEM DIAGRAM
Communication Table
Transmitting ECU
(Transmitter)
Receiving ECU
(Receiver)
Signal
Communication Method
Combination meter
Power management control ECU
...
Precaution
PRECAUTION
1. PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following system after the terminal is reconnected:
System Name
...