Gear selector position sensor - gear engaged
| Gear selector position sensor - gear engaged |
The gear selector position sensor is a position switch that is powered via +15. A number of slip contacts power the sensor outputs. The combination of terminals A, B, C and PA indicate the current selector lever position (see table). The slip contacts can be either closed (ON) or open (OFF).
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A
|
B
|
C
|
PA
|
|
|
P
|
ON
|
OFF
|
OFF
|
ON
|
|
R
|
ON
|
ON
|
OFF
|
OFF
|
|
N
|
OFF
|
ON
|
OFF
|
ON
|
|
D
|
OFF
|
ON
|
ON
|
OFF
|
|
4
|
ON
|
ON
|
ON
|
ON
|
|
3
|
ON
|
OFF
|
ON
|
OFF
|
|
L
|
OFF
|
OFF
|
ON
|
ON
|
The following table describes the relationship between the gear selector position sensor internal terminals A, B, C and PA, the pins in the connector H16-7 and the control module.
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Gear selector position sensor terminals
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A
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B
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C
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PA
|
|
Connector H16-7, pin
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3
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4
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5
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6
|
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Control module, pin
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B6
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B16
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B7
|
B17
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To ensure that the control module receives accurate information, it is important for the sensor to be correctly adjusted. Special tool 87 92 467 should be used for adjusting the sensor.
Diagnostics
Diagnostic trouble code P0731 is generated in the event of a fault with gear position 1Diagnostic trouble code P0732 is generated in the event of a fault with gear position 2
Diagnostic trouble code P0733 is generated in the event of a fault with gear position 3
Diagnostic trouble code P0734 is generated in the event of a fault with gear position 4
Diagnostic trouble code P0735 is generated in the event of a fault with gear position 5
Diagnostic trouble code P0736 is generated in the event of a fault with the reverse position
The transmission will go into limp-home mode for all these DTCs.
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