Description
The main body ecu detects the condition of the door courtesy switch.
Wiring diagram

Inspection procedure

Ok: condition sign can be displayed.


Standard resistance:
front lh, front rh, rear lh, rear rh, back door



Standard resistance:
Front door lh 
Front door rh 
Rear door rh 
Rear door lh 
Back door 

Replace instrument panel junction block (main body ecu)
Light control switch circuit
Door lock position circuitAbbreviations used in manual
...
Removal
Hint:
Use the same procedures for the rh side and lh side.
The procedures listed below are for the lh side.
Remove roof drip side finish moulding lh
Remove the 2 roof drip moulding joint covers from
the vehicle body.
Remove the roof drip side finish moulding and no. 2
Center ...
Diagnosis system
Description
When troubleshooting obd ii (on-board diagnostics)
vehicles, the intelligent tester (complying with sae
j1987) must be connected to the dlc3 (data link
connector 3) of the vehicle. Various data in the vehicle's
ecm (engine control module) can be then read.
Obd ii regulations ...