Circuit/System Testing

Driver Window Inoperative

1. Ignition OFF and all vehicle systems OFF, disconnect the harness connector at the Window Switch-Driver. It may take up to 2 minutes for all vehicle systems to power down.
2. Test for less than 10 Ω between the ground circuit terminal F and ground.
   • If 10 Ω or greater 
   1. Ignition OFF.
   2. Test for less than 2 Ω in the ground circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, repair the open/high resistance in the ground connection.
   • If less than 10 Ω 
3. Ignition ON.
4. Verify a test lamp illuminates between the ignition circuit terminal C and ground.
   • If the test lamp does not illuminate and the circuit fuse is good 
   1. Ignition OFF.
   2. Test for less than 2 Ω in the ignition circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, refer to Retained Accessory Power Malfunction .
   • If the test lamp does not illuminate and the circuit fuse is open 
   1. Ignition OFF.
   2. Test for infinite resistance between the ignition circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance
   3. Test for infinite resistance between the control circuits listed below and ground:
      • Control circuit terminal G
      • Control circuit terminal H
      • Control circuit terminal A
      • Control circuit terminal D
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance, replace the Window Switch-Driver.
   • If the test lamp illuminates 
5. Ignition OFF and all vehicle systems OFF, connect the harness connector at the Window Switch-Driver and disconnect the harness connector at the Window Motor-Driver. It may take up to 2 minutes for all vehicle systems to power down.
6. Test for less than 10 Ω between the control circuit terminal A and ground.
   • If 10 Ω or greater 
   1. Ignition OFF, disconnect the harness connector at the Window Switch-Driver.
   2. Test for less than 2 Ω in the control circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the Window Switch-Driver.
   • If less than 10 Ω 
7. Test for less than 10 Ω between the control circuit terminal B and ground.
   • If 10 Ω or greater 
   1. Ignition OFF, disconnect the harness connector at the Window Switch-Driver.
   2. Test for less than 2 Ω in the control circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the Window Switch-Driver.
   • If less than 10 Ω 
8. Connect a test lamp between control circuit terminal A and control circuit terminal B, ignition ON.
9. Verify the test lamp turns ON when commanding the UP and DOWN states with the Window Switch-Driver.
   • If the test lamp remains OFF during either of the commands 
   1. Ignition OFF, disconnect the harness connector at the Window Switch-Driver.
   2. Test for infinite resistance between each control circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance, replace the Window Switch-Driver.
   • If the test lamp turns ON during each of the commands 
10. Test or replace the Window Motor-Driver.

Passenger Window Inoperative From Both Switches

1. Ignition OFF and all vehicle systems OFF, disconnect the harness connector at the Window Switch-Passenger. It may take up to 2 minutes for all vehicle systems to power down.
2. Test for less than 10 Ω between the control circuit terminal D and ground.
   • If 10 Ω or greater 
   1. Ignition OFF, disconnect the harness connector at the Window Switch-Driver.
   2. Test for less than 2 Ω in the control circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the Window Switch-Driver.
   • If less than 10 Ω 
3. Test for less than 10 Ω between the control circuit terminal H and ground.
   • If 10 Ω or greater 
   1. Ignition OFF, disconnect the harness connector at the Window Switch-Driver.
   2. Test for less than 2 Ω in the control circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the Window Switch-Driver.
   • If less than 10 Ω 
4. Connect a test lamp between the control circuit terminal D and control circuit terminal H, ignition ON.
5. Verify the test lamp turns ON when commanding the UP and DOWN functions with the Window Switch-Driver.
   • If the test lamp remains OFF during either of the commands 
   1. Ignition OFF, disconnect the harness connector at the Window Switch-Driver.
   2. Test for infinite resistance between each control circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance, replace the Window Switch-Driver.
   • If the test lamp turns ON during each of the commands 
6. Ignition OFF and all vehicle systems OFF, connect the harness connector at the Window Switch-Passenger and disconnect the harness connector at the Window Motor-Passenger. It may take up to 2 minutes for all vehicle systems to power down.
7. Test for less than 10 Ω between the control circuit terminal A and ground.
   • If 10 Ω or greater 
   1. Ignition OFF, disconnect the harness connector at the Window Switch-Passenger.
   2. Test for less than 2 Ω in the control circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the Window Switch-Passenger.
   • If less than 10 Ω 
8. Test for less than 10 Ω between the control circuit terminal B and ground.
   • If 10 Ω or greater 
   1. Ignition OFF, disconnect the harness connector at the Window Switch-Passenger.
   2. Test for less than 2 Ω in the control circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the Window Switch-Passenger.
   • If less than 10 Ω 
9. Connect a test lamp between control circuit terminal A and control circuit terminal B, ignition ON.
10. Verify the test lamp turns ON when commanding the UP and DOWN functions with the Window Switch-Passenger.
    • If the test lamp remains OFF during either of the commands 
    1. Ignition OFF, disconnect the harness connector at the Window Switch-Passenger.
    2. Test for infinite resistance between each control circuit and ground.
       • If less than infinite resistance, repair the short to ground on the circuit.
       • If infinite resistance, replace the Window Switch-Passenger.
    • If the test lamp turns ON during each of the commands 
11. Test or replace the Window Motor-Passenger.

Passenger Window Switch Inoperative

1. Ignition OFF, disconnect the harness connector at the Window Switch-Passenger, ignition ON
2. Verify a test lamp illuminates between the ignition circuit terminal A and ground.
   • If the test lamp does not illuminate 
   1. Ignition OFF.
   2. Test for less than 2 Ω in the ignition circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, verify the fuse is OK and there is voltage at the fuse.
   • If the test lamp illuminates 
3. Test or replace the Window Switch-Passenger.