1.CHECK FUNCTION

Is the inspection result normal?
YES >> Main power window and door lock/unlock switch is OK.
NO >> Refer to DLK "Diagnosis Procedure".
Regarding Wiring Diagram information, refer to DLK "POWER DOOR LOCK SYSTEM : Wiring Diagram".
1.CHECK DOOR LOCK AND UNLOCK SWITCH INPUT SIGNAL

Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK DOOR LOCK AND UNLOCK SWITCH CIRCUIT


Is the inspection result normal?
YES >> Replace BCM. Refer to BCS "Removal and Installation".
NO >> Repair or replace harness.
3.CHECK DOOR LOCK AND UNLOCK SWITCH GROUND
Check continuity between main power window and door lock/unlock switch
harness connector and ground. 
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK DOOR LOCK AND UNLOCK SWITCH
Refer to DLK "Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace main power window and door lock/unlock switch. Refer to PWC "Removal and Installation".
5.CHECK INTERMITTENT INCIDENT
Refer to GI "Intermittent Incident".
>> Inspection End.
1.CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH

Is the inspection result normal?
YES >> Inspection End
NO >> Replace main power window and door lock/unlock switch. Refer to PWC "Removal and Installation".
Rear RHREAR RH : Component Function Check 1.CHECK FUNCTION Select DOOR LOCK of BCM using CONSULT. Select DOOR LOCK in ACTIVE TEST mode. Touch ALL LOCK or ALL UNLK to check that it works normally. ...
Removal and installation
ECM
Exploded View
1. ECM bracket 2. ECM
: Vehicle front
Removal and Installation
CAUTION: Perform ADDITIONAL SERVICE WHEN REPLACING ECM. Refer to
EC-122, "Work Procedure".
REMOVAL
Remove battery. Refer to PG, "Removal and Installation".
Remove IPDM E/R. Re ...
U0073 Communication bus A off
Description
CAN (Controller Area Network) is a serial communication line for real-time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent malfunction
detection ability.
Many electronic control units are equipped onto a vehicle, an ...