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 |
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The procedure listed below is for the LH side.
PROCEDURE
1. PRECAUTION
CAUTION:
Be sure to read Precaution thoroughly before servicing (See page
...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC (When Using Techstream)
(a) Check the DTCs.
(1) Connect the Techstream to the DLC3.
(2) Turn the ignition switch to ON.
(3) Turn the Techstream on.
(4) Read the DTCs following the prompts on the Techstream screen. Enter the ...
Operation Check
OPERATION CHECK
1. CHECK BASIC FUNCTIONS
(a) When the back door is partially closed, check that the motor operates to
fully close (lock) the back door.
(b) Check that the back door can be opened.
(c) When the back door is partially closed and then the mo ...