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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Wipers And Washers) >> Diagnostic Information and Procedures >> Rear Washer Inoperative

Rear Washer Inoperative

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Rear Washer Inoperative

Step Action Yes No
Schematic Reference:  Wiper/Washer Schematics  
Connector End View Reference:  Wiper/Washer Connector End Views  
DEFINITION: The rear window washer is inoperative and the windshield washers operate normally.
1 Did you review the Rear Wiper/Washer System Description and Operation and perform the necessary inspections? Go to Step 2  Go to Symptoms - Wiper/Washer Systems 
2
  1. Turn the ignition ON.
  2. Press the rear window washer switch.
Does the rear window washer operate normally?		 Go to Testing for Intermittent Conditions and Poor Connections Go to Step 3 
3 Does the rear window wiper operate when the washer switch is pressed? Go to Step 4  Go to Step 8 
4
  1. Disconnect the washer fluid pump relay.
  2. Connect a test lamp from the washer fluid pump relay control circuit terminal to ground.
  3. Turn the ignition ON.
  4. Press the rear window washer switch.
Does the test lamp illuminate when the switch is pressed?		 Go to Step 6  Go to Step 5 
5
  1. Disconnect the windshield wiper motor and module connector.
  2. Connect a test lamp from the rear window washer switch signal circuit terminal to ground.
  3. Press the rear window washer switch.
Does the test lamp illuminate when the switch is pressed?		 Go to Step 10  Go to Step 7 
6 Test the rear window washer pump control circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 Go to Step 12  Go to Step 10 
7 Test the rear window washer switch signal circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 Go to Step 12  Go to Step 8 
8 Inspect for poor connections at the rear window wiper/washer switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 12  Go to Step 9 
9 Replace the rear window wiper/washer switch. Refer to Rear Window Wiper and Washer Switch Replacement .
Is the repair complete?		 Go to Step 12  -
10 Inspect for poor connections at the windshield wiper motor and module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 12  Go to Step 11 
11 Replace the windshield wiper motor and module. Refer to Wiper Motor Replacement .
Is the repair complete?		 Go to Step 12  -
12 Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 3 
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