LEMON Manuals: Even more car manuals for everyone
Home >> Cadillac >> 2017 >> XT5 Base >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission Range Select System >> Diagnostic Information and Procedures >> DTC P082A-P082F: Transmission Range Selector X-Y Position Sensor 1 Circuits >> Circuit/System Testing

Circuit/System Testing

Transmission Range Selector X Position Sensor 1 

  1. Ignition OFF and all vehicle systems OFF, disconnect the X1 harness connector at the S3 Transmission Shift Lever. It may take up to 2 min for all vehicle systems to power down.
  2. Test for less than 10 Ω between the low reference circuit terminal 15 and ground.
    • If 10 Ω or greater 
    1. Ignition OFF, disconnect the harness connector at the K38 Chassis Control Module.
    2. Test for less than 2 Ω in the low reference circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the K38 Chassis Control Module.
    • If less than 10 Ω 
  3. Ignition ON/Vehicle in Service Mode.
  4. Test for 4.8 - 5.2 V between the 5 V reference circuit terminal 13 and ground.
    • If less than 4.8 V 
    1. Ignition OFF, disconnect the harness connector at the K38 Chassis Control Module.
    2. Test for infinite resistance between the 5 V reference circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance
    3. Test for less than 2 Ω in the 5 V reference circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the K38 Chassis Control Module.
    • If greater than 5.2 V 
    1. Ignition OFF, disconnect the harness connector at the K38 Chassis Control Module, Ignition ON/Vehicle in Service Mode.
    2. Test for less than 1 V between the 5 V reference circuit and ground.
      • If 1 V or greater, repair the short to voltage on the circuit.
      • If less than 1 V, replace the K38 Chassis Control Module.
    • If between 4.8 - 5.2 V 
  5. With the X1 harness connector at the S3 Transmission Shift Lever still disconnected, test for 4.8 - 5.2 V between the signal circuit terminal 14 and ground.
    • If less than 4.8 V 
    1. Ignition OFF, disconnect the harness connector at the K38 Chassis Control Module.
    2. Test for infinite resistance between the signal circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance
    3. Test for less than 2 Ω in the signal circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the K38 Chassis Control Module.
    • If greater than 5.2 V 
    1. Ignition OFF, disconnect the harness connector at the K38 Chassis Control Module, Ignition ON/Vehicle in Service Mode.
    2. Test for less than 1 V between the signal circuit and ground.
      • If 1 V or greater, repair the short to voltage on the circuit.
      • If less than 1 V, replace the K38 Chassis Control Module.
    • If between 4.8 - 5.2 V 
  6. Test or replace the S3 Transmission Shift Lever.

Transmission Range Selector Y Position Sensor 1 

  1. Ignition OFF and all vehicle systems OFF, disconnect the X1 harness connector at the S3 Transmission Shift Lever. It may take up to 2 min for all vehicle systems to power down.
  2. Test for less than 10 Ω between the low reference circuit terminal 15 and ground.
    • If 10 Ω or greater 
    1. Ignition OFF, disconnect the harness connector at the K38 Chassis Control Module.
    2. Test for less than 2 Ω in the low reference circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the K38 Chassis Control Module.
    • If less than 10 Ω 
  3. Ignition ON/Vehicle in Service Mode.
  4. Test for 4.8 - 5.2 V between the 5 V reference circuit terminal 13 and ground.
    • If less than 4.8 V 
    1. Ignition OFF, disconnect the harness connector at the K38 Chassis Control Module.
    2. Test for infinite resistance between the 5 V reference circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance
    3. Test for less than 2 Ω in the 5 V reference circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the K38 Chassis Control Module.
    • If greater than 5.2 V 
    1. Ignition OFF, disconnect the harness connector at the K38 Chassis Control Module, Ignition ON/Vehicle in Service Mode.
    2. Test for less than 1 V between the 5 V reference circuit and ground.
      • If 1 V or greater, repair the short to voltage on the circuit.
      • If less than 1 V, replace the K38 Chassis Control Module.
    • If between 4.8 - 5.2 V 
  5. With the X1 harness connector at the S3 Transmission Shift Lever still disconnected, test for 4.8 - 5.2 V between the signal circuit terminal 16 and ground.
    • If less than 4.8 V 
    1. Ignition OFF, disconnect the harness connector at the K38 Chassis Control Module.
    2. Test for infinite resistance between the signal circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance
    3. Test for less than 2 Ω in the signal circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the K38 Chassis Control Module.
    • If greater than 5.2 V 
    1. Ignition OFF, disconnect the harness connector at the K38 Chassis Control Module, Ignition ON/Vehicle in Service Mode.
    2. Test for less than 1 V between the signal circuit and ground.
      • If 1 V or greater, repair the short to voltage on the circuit.
      • If less than 1 V, replace the K38 Chassis Control Module.
    • If between 4.8 - 5.2 V 
  6. Test or replace the S3 Transmission Shift Lever.
scientia non olet · About LEMON Manuals