Last Modified: 4-30-2014 6.6 C Doc ID: RM000001B6N000X
Model Year: 2006 Model: LX470 Prod Date Range: [05/2005 -           ]
Title: WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: B1221; Power Window Switch Circuit on Driver Door; 2006 MY LX470 [05/2005 -        ]

DTC

B1221

Power Window Switch Circuit on Driver Door

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

B1221

Sticking of either of the power window master switches (except window lock switch)
  • Power window regulator master switch assembly
  • Wire harness

INSPECTION PROCEDURE

HINT:

Refer to switch inspection 2006 MY LX470 [05/2005 -        ]; WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: TERMINALS OF ECU .