Last Modified: 7-3-2017 6.8:8.0.40 Doc ID: RM000001B6O004X
Model Year Start: 2007 Model: LX470 Prod Date Range: [08/2006 -           ]
Title: WINDSHIELD / WINDOWGLASS: POWER WINDOW 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 the DTC is not output when operating the switch, this means there is a failure of the switch contact. If the DTC is output when not operating the switch, this means the switch is stuck. When a malfunction is found using 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

Sticking of door key lock and unlock switch
  • Door lock control switch
  • Door key lock and unlock switch
  • Wire harness

INSPECTION PROCEDURE

HINT:

Refer to switch inspection 2007 MY LX470 [08/2006 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: B1222; Driver Side Door Lock Switch Circuit Malfunction .