PRECAUTION
1. PRECAUTIONS WHEN USING TECHSTREAM
(a) When using the Techstream with the engine switch off to troubleshoot: Connect the Techstream to the DLC3, and turn a courtesy light switch on and off at 1.5 second or less intervals until communication between the Techstream and vehicle begins.
(b) After all DTCs are cleared, check if the trouble occurs again 6 seconds after turning the engine switch on (IG).
2. PRECAUTION FOR REGISTRATION
(a) If replacing any of the following parts, refer to the registration procedures
(See page
).
NOTICE:
Any keys or ECUs for which registration has been performed cannot be reused.
(1) Certification ECU (smart key ECU assembly)
(2) Steering lock ECU (steering lock actuator or upr bracket assembly)
(3) Electrical key transmitter sub-assembly
(b) After replacing the steering lock ECU (steering lock actuator or upr bracket assembly), confirm the lock/unlock operation of the steering lock.
Operation|
Steering Lock |
Operation Condition |
|---|---|
|
Locks |
With the engine switch off, open and close any door. |
|
Unlocks |
Turn the engine switch from off to on (ACC) or on (IG). |
3. PRECAUTIONS FOR BATTERY
(a) Immediately after disconnecting and reconnecting the battery cable, the entry unlock function may not operate. If this occurs, the entry unlock function can be restored by performing a wireless door lock and unlock operation.
(b) When the battery is discharged, if the battery of another vehicle is used to jump start the engine, move the shift lever to P and open and close the driver door with the engine switch off before starting the engine.
(c) After the battery is removed and reinstalled, be sure to wait 10 seconds or more before the next engine start. The engine may not start immediately after the battery is reinstalled.
HINT:
Parts Location
System DescriptionOpen or Short in Front Speed Sensor RH Circuit (C1405,C1406)
DESCRIPTION
Refer to DTCs C1401 and C1402 (See page ).
DTC Code
DTC Detection Condition
Trouble Area
C1405
C1406
Either condition is met:
An open in the speed sensor signal circuit continues for 0.5
seconds or mor ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
The ECM of this system is connected to the CAN communication system.
Therefore, before starting troubleshooting, make sure to check that there
is no trouble in the CAN and multiplex communication system.
*: Use the Techstream.
PROCEDURE
...
System Diagram
SYSTEM DIAGRAM
1. OVERALL CAN BUS DIAGRAM
(a) The CAN communication system is composed of 4 buses.
CAN Main Bus Line
Terminating Resistor
CAN Branch Line
*
Gateway Function Equipped ECU
...