Circuit/System Verification

Verify the scan tool parameter:

• Left Rear Window Main Control Down Switch = Inactive & Active
• Left Rear Window Main Control Express Switch = Inactive & Active
• Left Rear Window Main Control Up Switch = Inactive & Active

• If not the specified state 

  Replace the component: S146 Window/Outside Rearview Mirror Switch - Driver

• Go to next step: If the specified state 

Verify the scan tool parameter:

• Right Rear Window Main Control Down Switch = Inactive & Active
• Right Rear Window Main Control Express Switch = Inactive & Active
• Right Rear Window Main Control Up Switch = Inactive & Active

• If not the specified state 

  Replace the component: S146 Window/Outside Rearview Mirror Switch - Driver

• Go to next step: If the specified state 

Verify the scan tool parameter:

• Front Passenger Window Main Control Down Switch = Inactive & Active
• Front Passenger Window Main Control Express Switch = Inactive & Active
• Front Passenger Window Main Control Up Switch = Inactive & Active

• If not the specified state 

  Replace the component: S146 Window/Outside Rearview Mirror Switch - Driver

• Go to next step: If the specified state 

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: Driver Left Front Window Switch - Test all positions of the switch and verify that all according functions work properly.

• 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 1

• Go to next step: If the specified state 

Verify the component works as specified: M74P Window Motor - Passenger = Up /Down/Express Down

• If not the specified state 

  Refer to: Circuit/System Testing - Test 2

• Go to next step: If the specified state 

Verify the component works as specified: M74LR Window Motor - Left Rear = Up /Down/Express Down

• If not the specified state 

  Refer to: Circuit/System Testing - Test 3

• Go to next step: If the specified state 

Verify the component works as specified: M74RR Window Motor - Right Rear = Up /Down/Express Down

• If not the specified state 

  Refer to: Circuit/System Testing - Test 4

• Go to next step: If the specified state