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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 7

Test 7

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: S79LR Window Switch - Left Rear & S79RR Window Switch - Right Rear
  3. Ignition - On / Vehicle - In Service Mode
  4. Window Lockout Switch - Not Pressed

    Verify a test lamp turns On between the test points: Control circuit terminal 5 & Ground

    • If the test lamp is always Off 
    1. Ignition/Vehicle - Off & Remove - Test lamp
    2. Disconnect the electrical connector: S79D Window Switch - Driver
    3. Test for infinite resistance between the test points: Control circuit terminal 5 @ Component harness & Ground
      • If less than infinite resistance - Repair the short to ground on the circuit.
      • If infinite resistance
    4. Test for less than 2 Ω between the test points: Control circuit terminal 5 @ Component harness & Terminal 1 @ 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 test lamp turns On 
  5. Operate the component: Window Lockout Switch - Pressed

    Verify a test lamp does not turn On between the test points: Control circuit terminal 5 & Ground

    • If the test lamp is always On 
    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 5 @ Component harness & Ground
      • If 1 V or greater - Repair the short to voltage on the circuit.
      • If less than 1 V - Replace the component: S79D Window Switch - Driver
    • If the test lamp does not turn On 
  6. Test or replace the component: S79LR Window Switch - Left Rear/S79RR Window Switch - Right Rear