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 operateSolar sensor circuit (passenger side)
Description
The solar sensor, which is installed on the upper side of the instrument
panel, detects sunlight and
controls the air conditioning auto mode. The output voltage from the solar
sensor varies in accordance
with the amount of sunlight. When the sunlight increases, the output volt ...
Removal
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
Remove accelerator pedal rod
Disconnect the accelerator pedal position ...
All doors cannot be locked / unlocked simultaneously
Description
The main body ecu receives switch signals from the door control switch on the
power window regulator
master switch, door control switch and driver side door key cylinder, and
activates the door lock motor on
each door accordingly.
Wiring diagram
Inspection procedure
Perf ...