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 systemIf the vehicle battery is discharged
The following procedures
may be used to start the
engine if the vehicle's battery
is discharged.
You can also call your
Toyota dealer or a qualified
repair shop.
Restarting the engine
If you have a set of jumper (or
booster) cables and a second
vehicle with a 12-volt battery,
you can jump start you ...
Shift solenoid "d" performance (shift solenoid valve s4)
System description
The ecm uses signals from the output shaft speed sensor and input speed
sensor to detect the actual
gear position (1st, 2nd, 3rd or o/d gear).
Then the ecm compares the actual gear with the shift schedule in the ecm memory
to detect mechanical
problems of the shift s ...
Opening and closing procedures
The power windows can be opened and closed using the switches.
Operating the switch moves the windows as follows:
Closing
One-touch closing (driver’s window
only) (if equipped)*
Opening
One-touch opening (driver’s
window only)*
*: To stop the window partway, operate
the ...