Checking the gear-shift position sensor

HINT: The gear-shift position sensor may malfunction if there has been a short-circuit to supply voltage in the signal cable. Check the gear-shift position sensor as follows: 

Fig 1: Identifying Ignition ON

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Fig 2: Identifying Connector

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Fig 3: Identifying Connecting Control Unit

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• Ignition off
• Transmission connector connected
• Control module connected.
• Ignition on
• Read off the position of the gear-shift position sensor
NOTE:

Select the correct gear selector assembly from the list.

NOTE:

An undefined position may be displayed between the fixed gear positions. This is not  a fault.

Fig 4: Identifying VCT2000 Diagnostic Tool Symbol In VIDA
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Fig 5: Identifying Gear-Shift Position Sensor
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• Move the gear selector to the different gear positions a number of times. Check the gear-shift position sensor function. If the gear-shift position sensor function is OK the cause of the fault was contact resistance and oxidation.

Are all positions OK? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to Replacing the gear-shift position sensor