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 |
Antenna Coil Open / Short (B2784)Open in Inside Luggage Compartment Electrical Key Oscillator Circuit (B27A7)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
sends it to the indoor electrical key oscillator (for rear floor). To detect the
key inside the cabin, the indoor electrical key oscillator (for rear floor) creates ...
Lost Communication with ECM (U0100-U0142,U0155)
DESCRIPTION
DTC No.
DTC Detecting Condition
Trouble Area
U0100
No communication with ECM
CAN communication system
ECM
U0131
No commu ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
The back door closer system troubleshooting procedure is based on the
premise that the power back door system is operating normally. Check the
power back door system first before troubleshooting the back door clo ...