The vehicle uses the iso 15765-4 for communication protocol. The terminal arrangement of the dlc3 complies with iso 15031-03 and matches the iso 15765-4 format.


Hint:
Connect the cable of the intelligent tester to the dlc3, turn the ignition switch on and attempt to use the tester.
If the display indicates that a communication error has occurred, there is a problem either with the vehicle or with the tester.

If the result is not as specified, the dlc3 may have a malfunction. Repair or replace the harness and connector.
Terminals of ecu
Dtc check / clearTerminals of ecu
Check combination meter assembly
Measure the voltage and resistance of the
connector.
Check instrument panel junction block (main body ecu)
Measure the voltage and resistance of the
connectors.
...
System check
Hint:
Performing a system check enables the system,
which consists of multiple actuators, to be operated
without removing any parts. In addition, it can show
whether or not any dtcs are set, and can detect
potential malfunctions in the system. The system
check can be performed with the intelli ...
Engine coolant temperature circuit range / performance problem
Description
Refer to dtc p0115 (see page es-105).
Monitor description
Engine coolant temperature (ect) sensor cold start monitor
When a cold engine start is performed and then the engine is warmed up, if
the ect sensor value does
not change, it is determined that a malfunction has occ ...