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 the 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 DETECTION CHART

DTC No.	DTC Detecting Condition	Trouble Area
B2214	Cam position switch 1, 2 and 3 in the door closer and double locking motor are all "ON" or all "OFF".	Door closer motor Wire harness Rear door LH 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 are as follows motor.

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

CONDITIONS

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 order as mentioned above the 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