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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 2

Test 2

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 & All vehicle systems - Off
    NOTE: It may take up to 2 min for all vehicle systems to power down before an accurate ground or low reference circuit continuity test can be performed.
  2. Disconnect the electrical connector: S79D Window Switch - Driver
  3. Test for less than 10 Ω between the test points:
    • {RHD} Ground circuit terminal 10 & Ground
    • {LHD} Ground circuit terminal 11 & Ground
    • If 10 Ω or greater 
    1. Ground Connection - Disconnect
    2. Test for less than 2 Ω between the test points:
      • {RHD} Ground circuit terminal 10 @ Component harness & Ground Connection
      • {LHD} Ground circuit terminal 11 @ Component harness & Ground Connection
      • 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 
  4. Ignition - On / Vehicle - In Service Mode
  5. Verify the scan tool parameter: Driver Window Main Control Down Switch=Inactive
    • If not the specified state 
    1. Ignition/Vehicle - Off
    2. Disconnect the electrical connector: M74D Window Motor - Driver
    3. Test for infinite resistance between the test points:
      • {LHD} Signal circuit terminal 8 @ Component harness & Ground
      • {RHD} Signal circuit terminal 12 @ Component harness & Ground
      • If less than infinite resistance - Repair the short to ground on the circuit.
      • If infinite resistance - Replace the component: M74D Window Motor - Driver
    • If the specified state 
  6. Momentarily connect a 3 A fused jumper wire between the test points:
    • {LHD} Signal circuit terminal 8 & Ground circuit terminal 11
    • {RHD} Signal circuit terminal 12 & Ground circuit terminal 10
  7. Verify the scan tool parameter: Driver Window Main Control Down Switch=Active
    • If not the specified state 
    1. Ignition/Vehicle - Off & Remove - Jumper wire(s)
    2. Disconnect the electrical connector: M74D Window Motor - Driver
    3. Ignition - On / Vehicle - In Service Mode
    4. Test for less than 1 V between the test points:
      • {LHD} Signal circuit terminal 8 @ Component harness & Ground
      • {RHD} Signal circuit terminal 12 @ Component harness & Ground
      • If 1 V or greater - Repair the short to voltage on the circuit.
      • If less than 1 V
    5. Ignition/Vehicle - Off
    6. Test for less than 2 Ω between the test points:
      • {LHD} Signal circuit terminal 8 @ Component harness & Signal circuit terminal 7 @ M74D Window Motor - Driver
      • {RHD} Signal circuit terminal 12 @ Component harness & Signal circuit terminal 7 @ M74D Window Motor - Driver
      • If 2 Ω or greater - Repair the open/high resistance in the circuit.
      • If less than 2 Ω - Replace the component: M74D Window Motor - Driver
    • If the specified state 
  8. Verify the scan tool parameter: Driver Window Main Control Up Switch=Inactive
    • If not the specified state 
    1. Ignition/Vehicle - Off
    2. Disconnect the electrical connector: M74D Window Motor - Driver
    3. Test for infinite resistance between the test points:
      • {LHD} Signal circuit terminal 9 @ Component harness & Ground
      • {RHD} Signal circuit terminal 14 @ Component harness & Ground
      • If less than infinite resistance - Repair the short to ground on the circuit.
      • If infinite resistance - Replace the component: M74D Window Motor - Driver
    • If the specified state 
  9. Momentarily connect a 3 A fused jumper wire between the test points: Signal circuit terminal 9 & Ground circuit terminal 11
    • {LHD} Signal circuit terminal 9 & Ground circuit terminal 11
    • {RHD} Signal circuit terminal 14 & Ground circuit terminal 10
  10. Verify the scan tool parameter: Driver Window Main Control Up Switch=Active
    • If not the specified state 
    1. Ignition/Vehicle - Off & Remove - Jumper wire(s)
    2. Disconnect the electrical connector: M74D Window Motor - Driver
    3. Ignition - On / Vehicle - In Service Mode
    4. Test for less than 1 V between the test points:
      • {LHD} Signal circuit terminal 9 @ Component harness & Ground
      • {RHD} Signal circuit terminal 14 @ Component harness & Ground
      • If 1 V or greater - Repair the short to voltage on the circuit.
      • If less than 1 V
    5. Ignition/Vehicle - Off
    6. Test for less than 2 Ω between the test points:
      • {LHD} Signal circuit terminal 9 @ Component harness & Signal circuit terminal 3 @ M74D Window Motor - Driver
      • {RHD} Signal circuit terminal 14 @ Component harness & Signal circuit terminal 3 @ M74D Window Motor - Driver
      • If 2 Ω or greater - Repair the open/high resistance in the circuit.
      • If less than 2 Ω - Replace the component: M74D Window Motor - Driver
    • If the specified state 
  11. Verify the scan tool parameter: Driver Window Main Control Express Switch=Inactive
    • If not the specified state 
    1. Ignition/Vehicle - Off
    2. Disconnect the electrical connector: M74D Window Motor - Driver
    3. Test for infinite resistance between the test points:
      • {LHD} Signal circuit terminal 10 @ Component harness & Ground
      • {RHD} Signal circuit terminal 13 @ Component harness & Ground
      • If less than infinite resistance - Repair the short to ground on the circuit.
      • If infinite resistance - Replace the component: M74D Window Motor - Driver
    • If the specified state 
  12. Momentarily connect a 3 A fused jumper wire between the test points: Signal circuit terminal 10 & Ground circuit terminal 11
    • {LHD} Signal circuit terminal 10 & Ground circuit terminal 11
    • {RHD} Signal circuit terminal 13 & Ground circuit terminal 10
  13. Verify the scan tool parameter: Driver Window Main Control Express Switch=Active
    • If not the specified state 
    1. Ignition/Vehicle - Off & Remove - Jumper wire(s)
    2. Disconnect the electrical connector: M74D Window Motor - Driver
    3. Ignition - On / Vehicle - In Service Mode
    4. Test for less than 1 V between the test points:
      • {LHD} Signal circuit terminal 10 @ Component harness & Ground
      • {RHD} Signal circuit terminal 13 @ Component harness & Ground
      • If 1 V or greater - Repair the short to voltage on the circuit.
      • If less than 1 V
    5. Ignition/Vehicle - Off
    6. Test for less than 2 Ω between the test points:
      • {LHD} Signal circuit terminal 10 @ Component harness & Signal circuit terminal 5 @ M74D Window Motor - Driver
      • {RHD} Signal circuit terminal 13 @ Component harness & Signal circuit terminal 5 @ M74D Window Motor - Driver
      • If 2 Ω or greater - Repair the open/high resistance in the circuit.
      • If less than 2 Ω - Replace the component: M74D Window Motor - Driver
    • If the specified state 
  14. Test or replace the component: S79D Window Switch - Driver
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