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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 69 (Fixed And MOVEABLE Window System) >> Diagnostic Information and Procedures >> Power Windows Malfunction (AXG With A33) >> Circuit/System Testing >> Test 5

Test 5

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition/Vehicle - Off
  2. Disconnect the electrical connector: S79D Window Switch - Driver
  3. Ignition - On / Vehicle - In Service Mode
  4. Verify a test lamp turns On between the test points: Ignition circuit terminal 6 & Ground
    • If the test lamp does not turn On and the circuit fuse is OK 
    1. Ignition/Vehicle - Off & Remove - Test lamp
    2. Test for less than 2 Ω between the test points: Ignition circuit terminal 6 & Output terminal @ F44DA Fuse
      • 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 does not turn On and the circuit fuse is open 
    1. Ignition/Vehicle - Off & Remove - Test lamp
    2. Test for infinite resistance between the test points: Ignition circuit terminal 6 & Ground
      • If less than infinite resistance - Repair the short to ground on the circuit.
      • If infinite resistance
    3. Test for infinite resistance between the test points:
      • Control circuit terminal 2 & Ground
      • Control circuit terminal 3 & Ground
      • Control circuit terminal 4 & Ground
      • Control circuit terminal 5 & Ground
      • If less than infinite resistance - Repair the short to ground on the circuit.
      • If infinite resistance - Test or replace the component: S79D Window Switch - Driver
    • If the test lamp turns On 
  5. Ignition/Vehicle - Off
  6. Connect the electrical connector: S79D Window Switch - Driver
  7. Disconnect the electrical connector: S79LR Window Switch - Left Rear
  8. Connect a test lamp between the test points: Control circuit terminal 3 & Control circuit terminal 6
  9. Ignition - On / Vehicle - In Service Mode
  10. Operate the component: S79D Window Switch - Driver-Left Rear Window Switch - Pressed & Pulled

    Verify the test lamp state:

    • Pulled - Up=Test lamp On
    • Pressed - Down=Test lamp On
    • If not the specified state 
    1. Ignition/Vehicle - Off & Remove - Test lamp
    2. Disconnect the electrical connector: S79D Window Switch - Driver
    3. Ignition - On / Vehicle - In Service Mode
    4. Test for less than 1 V between the test points:
      • Control circuit terminal 3 @ Component harness & Ground
      • Control circuit terminal 6 @ Component harness & Ground
      • If 1 V or greater - Repair the short to voltage on the circuit.
      • If less than 1 V
    1. Ignition/Vehicle - Off
    2. Test for infinite resistance between the test points:
      • Control circuit terminal 3 @ Component harness & Ground
      • Control circuit terminal 6 @ Component harness & Ground
      • If less than infinite resistance - Repair the short to ground on the circuit.
      • If less than infinite resistance
    1. Test for less than 2 Ω between the test points:
      • Control circuit terminal 3 @ Component harness & Control circuit terminal 3 @ S79D Window Switch - Driver
      • Control circuit terminal 6 @ Component harness & Control circuit terminal 2 @ S79D Window Switch - Driver
        • If 2 Ω or greater - Repair the open/high resistance in the circuit.
        • If less than 2 Ω - Replace the component: S79D Window Switch - Driver
    • If the specified state 
  11. Ignition/Vehicle - Off
  12. Connect the electrical connector: S79LR Window Switch - Left Rear
  13. Disconnect the electrical connector: M74LR Window Motor - Left Rear
  14. Connect a test lamp between the test points: Control circuit terminal 1 & Control circuit terminal 2
  15. Ignition - On / Vehicle - In Service Mode
  16. Operate the component: S79LR Window Switch - Left Rear - Pressed & Pulled

    Verify the test lamp state:

    • Pulled - Up=Test lamp On
    • Pressed - Down=Test lamp On
    • If not the specified state 
    1. Ignition/Vehicle - Off & Remove - Test lamp
    2. Disconnect the electrical connector: S79LR Window Switch - Left Rear
    3. Ignition - On / Vehicle - In Service Mode
    4. Test for less than 1 V between the test points:
      • Control circuit terminal 1 @ Component harness & Ground
      • Control circuit terminal 2 @ Component harness & Ground
      • If 1 V or greater - Repair the short to voltage on the circuit.
      • If less than 1 V
    1. Ignition/Vehicle - Off
    2. Test for infinite resistance between the test points:
      • Control circuit terminal 1 @ Component harness & Ground
      • Control circuit terminal 2 @ Component harness & Ground
      • If less than infinite resistance - Repair the short to ground on the circuit.
      • If less than infinite resistance
    1. Test for less than 2 Ω between the test points:
      • Control circuit terminal 1 @ Component harness & Control circuit terminal 4 @ S79LR Window Switch - Left Rear
      • Control circuit terminal 2 @ Component harness & Control circuit terminal 1 @ S79LR Window Switch - Left Rear
        • If 2 Ω or greater - Repair the open/high resistance in the circuit.
        • If less than 2 Ω - Replace the component: S79LR Window Switch - Left Rear
    • If the specified state 
  17. Test or replace the component: M74LR Window Motor - Left Rear
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