Description
The main body ecu receives lock / unlock switch signals and activates the door lock motor accordingly.
Wiring diagram

Inspection procedure

Ok: doors can lock / unlock


Ok: when the door lock is operating, the intelligent tester should display as shown in the table.


Ok 
Standard resistance 


Standard resistance 

Replace instrument panel junction block (main body ecu)
All doors cannot be locked / unlocked simultaneously
Only passenger door lock / unlock functions do not operateUnlock warning switch
Inspection
Inspect unlock warning switch assembly
Measure the resistance of the switch.
Standard resistance
If the result is not as specified, replace the switch
assembly.
Ecu power source circuit
Description
This circuit provides power to operate the transponder key ecu.
Wir ...
Smart key system
The following operations
can be performed simply by
carrying the electronic key
on your person, for example
in your pocket. The driver
should always carry the
electronic key.
Locks and unlocks the side
doors
Locks and unlocks the back
door
Starts the engine
â– Antenna location
Antennas ou ...
Compressor lock sensor circuit
Description
This sensor sends 1 pulse per engine revolution to the air conditioning
amplifier. If the ratio of the
compressor speed divided by the engine speed is smaller than a predetermined
value, the air conditioning
amplifier turns the compressor off, and the indicator blinks at appro ...