Circuit Description

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

This DTC is output when failure of cam position switch circuit is detected.

HINT:

When cam position switch 1, 2 and 3 are not all "ON" or all "OFF", this DTC is cleared.

DTC CONDITION DETECTING CHART

DTC No.	DTC Detecting Condition	Trouble Area
B2213	Cam position switch 1,2 and 3 in the door closer motor are all "ON" or all "OFF".	Door closer motor Wire harness Rear door RH ECU

The cam position switch is built in the door lock assembly and detects the position of the closer motor. The relationship between each switch and closer conditions is as follows motor.

When it operates in regular rotation, the operation goes from top of the list. When in reverse rotation, from bottom of the list.

CONDITIONS SPECIFICATION

Closer motor conditions	CPS1	CPS2	CPS3
(Error range)	OFF	OFF	OFF
1. Reverse rotation range	ON	OFF	ON
2. Original position	OFF	ON	ON
3. Closer operation range	ON	ON	OFF
4. Reverse rotation range	ON	OFF	OFF
(Error range)	OFF	OFF	OFF

If the closer detection switch does not operate in the order mentioned above, the rear right door ECU judges the closer as defective, and the operation is stopped.

Regular rotation: 1 <=> 2 <=> 3 <=> 4 <=> 6 <=> 5 <=> 1

Reverse rotation: 1 <=> 5 <=> 6 <=> 4 <=> 3 <=> 2 <=> 1