Transmission range switch, automatic (245): Activation

The transmission range switch is a position switch that is powered via +15 from fuse 6 in Rear electric center 342. A number of slip contacts provide the current to the sensor outputs. A combination of terminals A, B, C and PA provide the current selector lever position (see table). The slip contacts can be either closed (ON) or open (OFF).

Fig 1: Identifying Communication Flow Transmission Range Switch, Automatic (245)

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CONNECTOR PINOUTS REFERENCE

Pin no.	Interface	Description
6 (B)		Transmission range switch pin A, 1
16 (B)		Transmission range switch B, 4
7 (B)		Transmission range switch C, 3
17 (B)		Transmission range switch PA, 2
20 (B) on main fuse box	+ 15	Power supply

Fig 2: Interference And Pin Number Transmission Range Switch, Automatic (245)

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TRANSMISSION RANGE SWITCH POSITION DESCRIPTION

	A	B	C	PA
P	On	Off	Off	On
R	On	On	Off	Off
N	Off	On	Off	On
D	Off	On	On	Off
M	On	On	On	On

To ensure the control module receives the correct information, it is essential the sensor be adjusted correctly. Special tool 87 92 467 Adjustment tool, gear selector position sensor must be used when adjusting.

Connecting the gear selector position sensor

Fig 3: Circuit Diagram -Transmission Range Switch, Automatic (245)

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Connecting the starter motor interlock switch

Fig 4: Circuit Diagram Transmission Range Switch, Automatic (245)

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