Problem Symptoms Table

PROBLEM SYMPTOMS REFERENCE

Problem symptom	Suspected area	See
Door lock switch circuit on driver's door.	Power window regulator master switch assembly Multiplex network door ECU Wire harness Front door lock assembly	DTC B1222 DOOR LOCK SWITCH CIRCUIT ON DRIVER DOOR DTC B1222 DOOR LOCK SWITCH CIRCUIT ON DRIVER DOOR - DTC B1222 DOOR LOCK SWITCH CIRCUIT ON DRIVER DOOR
Door lock switch circuit on passenger's door.	Door lock control switch assembly Multiplex network door ECU Wire harness Front door lock assembly	DTC B1224 DOOR LOCK SWITCH CIRCUIT ON PASSENGER DOOR DTC B1224 DOOR LOCK SWITCH CIRCUIT ON PASSENGER DOOR - DTC B1224 DOOR LOCK SWITCH CIRCUIT ON PASSENGER DOOR
Key confinement prevention function does not work properly.	Key unlock warning switch assembly Door courtesy switch Door lock motor Multiplex network door ECU Transponder key ECU	KEY LOCK-IN PREVENTION FUNCTION DOES NOT WORK PROPERLY (UNLOCK WARNING SWITCH CIRCUIT) KEY LOCK-IN PREVENTION FUNCTION DOES NOT WORK PROPERLY (COURTESY LAMP SWITCH CIRCUIT) DTC B1222 DOOR LOCK SWITCH CIRCUIT ON DRIVER DOOR and DTC B1224 DOOR LOCK SWITCH CIRCUIT ON PASSENGER DOOR KEY LOCK-IN PREVENTION FUNCTION DOES NOT WORK PROPERLY (UNLOCK WARNING SWITCH CIRCUIT) TERMINALS OF ECU
Door lock system does not operate at all.	Power window regulator master switch assembly Door lock control switch Multiplex network door ECU (driver's and passenger's) Theft warning ECU	DTC B1222 DOOR LOCK SWITCH CIRCUIT ON DRIVER DOOR DTC B1224 DOOR LOCK SWITCH CIRCUIT ON PASSENGER DOOR DTC B1222 DOOR LOCK SWITCH CIRCUIT ON DRIVER DOOR and DTC B1224 DOOR LOCK SWITCH CIRCUIT ON PASSENGER DOOR TERMINALS OF ECU
Automatic locking function.	Speedometer assembly Theft warning ECU	MALFUNCTION IN SPEEDOMETER AUTOMATIC LOCKING FUNCTION BY VEHICLES SPEED DOES NOT WORK