Description
When the key is in the ignition key cylinder or the door courtesy light on signal is output to the main body ecu, performing the door lock operation with the lock switch does not lock the door.
Wiring diagram

Inspection procedure

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


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


Standard resistance 


Standard resistance 

Replace instrument panel junction block (main body ecu)

Standard resistance 

Standard resistance 

Replace instrument panel junction block (main body ecu)
Only back door lock / unlock functions do not operate
Key reminder warning systemCanceling and resuming
the speed control
Pressing the cancel switch
cancels the speed control.
The speed control is also canceled
when the brake pedal is depressed.
(When the vehicle has been
stopped by system control,
depressing the brake pedal does
not cancel the setting.)
Pressing the "+RES" switch
resumes the cruise control
a ...
Diagnosis system
Description
When troubleshooting on-board diagnostic (obd
ii) vehicles, the vehicle must be connected to the
obd ii scan tool (complying with sae j1987).
Various data output from the vehicle's ecm can
then be read.
Obd ii regulations require that the vehicle's onboard
computer ...
Pressure control solenoid "d" performance (shift solenoid valve slt)
Description
The throttle pressure that is applied to the primary regulator valve (which
modulates the line pressure)
causes the solenoid valve slt, under electronic control, to precisely modulate
and generate the line
pressure according to the extent that the accelerator pedal is depr ...