Last Modified: 7-3-2017 6.8:8.0.40 Doc ID: RM0000018AH005X
Model Year Start: 2007 Model: LX470 Prod Date Range: [08/2006 -           ]
Title: DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: B1222; Driver Side Door Lock Switch Circuit Malfunction; 2007 MY LX470 [08/2006 -        ]

DTC

B1222

Driver Side Door Lock Switch Circuit Malfunction

DESCRIPTION

  • This DTC notifies how the switch works as follows:
  • If DTC is not output when operating the switch, this means there is a failure of switch contact. If the DTC is output when not operating the switch, this means the switch is stuck. When a malfunction is found by this diagnosis, inspect each switch. Then, replace the switch if there is a problem, or check the wire harness if there is no problem.

DTC No.

DTC Detection Condition

Trouble Area

B1222

Door key lock and unlock switch stuck
  • Door lock control switch
  • Door key lock and unlock switch
  • Wire harness
  • Power window regulator master switch

HINT:

Refer to the information for switch inspection 2007 MY LX470 [08/2006 -        ]; DOOR LOCK: DOOR CONTROL SWITCH: INSPECTION .