Circuit/System Verification

Ignition - On / Vehicle - In Service Mode
Perform the scan tool control function: Driver Window Motor - Up & Down
Verify the component operates in both directions: M74D Window Motor - Driver
- If Not The Specified State
  Refer to: Circuit/System Testing - Test 1
- Go To Next Step: If The Specified State
S79D Window Switch - Driver - No Button Pressed
Verify the scan tool parameter:
- Front Passenger Window Main Control Down Switch = Inactive
- Front Passenger Window Main Control Express Switch = Inactive
- Front Passenger Window Main Control Up Switch = Inactive
- If Not The Specified State
  Replace the component: S79D Window Switch - Driver
- Go To Next Step: If The Specified State
Operate the component: S79D Window Switch - Driver - Pulled = Up & Release
Verify the component works as specified: M74D Window Motor - Driver = Express Up
- If Not The Specified State
  Use the following procedure: Window Motor Programming - Express Function .
1. Operate the component: S79D Window Switch - Driver - Pressed & Pulled
  Verify the component works as specified:
- M74D Window Motor - Driver = Up
- M74D Window Motor - Driver = Express Up
- M74D Window Motor - Driver = Down
- M74D Window Motor - Driver = Express Down
- If Not The Specified State
  Refer to: Circuit/System Testing - Test 2
- Go To Next Step: If The Specified State
Operate the component: Passenger Window Switch@S79D Window Switch - Driver - Pressed & Pulled
Verify the scan tool parameter:
- Front Passenger Window Main Control Down Switch = Active
- Front Passenger Window Main Control Express Switch = Active
- Front Passenger Window Main Control Up Switch = Active
- If Not The Specified State
  Replace the component: S79D Window Switch - Driver
- Go To Next Step: If The Specified State
Perform the scan tool control function: Passenger Window Motor - Up & Down
Verify the component operates in both directions: M74P Window Motor - Passenger
- If Not The Specified State
  Refer to: Circuit/System Testing - Test 1
- Go To Next Step: If The Specified State
Operate the component: S79P Window Switch - Passenger - Pulled = Up & Release
Verify the component works as specified: M74P Window Motor - Passenger = Express Up
- If Not The Specified State
  Use the following procedure: Window Motor Programming - Express Function .
1. Operate the component: S79P Window Switch - Passenger - Pressed & Pulled
  Verify the component works as specified:
- M74P Window Motor - Passenger = Up
- M74P Window Motor - Passenger = Express Up
- M74P Window Motor - Passenger = Down
- M74P Window Motor - Passenger = Express Down
- If Not The Specified State
  Refer to: Circuit/System Testing - Test 3
- Go To Next Step: If The Specified State
All OK.