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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 >> Washers Always On

Washers Always On

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Washers Always On

Step Action Yes No
Schematic Reference: Wiper/Washer Schematics 
Connector End View Reference: Wiper/Washer Connector End Views 
DEFINITION: The windshield washer pump is always ON.
1 Did you review the 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 windshield wiper/washer switch to the OFF position.
  2. Turn the ignition ON.
Is the windshield washer pump always ON?		 Go to Step 3  Go to Testing for Intermittent Conditions and Poor Connections
3 Are the windshield wipers always ON? Go to Step 4  Go to Step 6 
4
  1. Disconnect the windshield wiper motor and module connector.
  2. Connect a test lamp from the windshield wiper switch signal circuit terminal in the wiper motor harness connector to battery voltage.
  3. Turn the ignition ON.
Does the test lamp illuminate?		 Go to Step 5  Go to Step 14 
5
  1. Disconnect the turn signal/malfunction switch connector.
  2. Test the windshield wiper switch signal circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 Go to Step 17  Go to Step 12 
6 Disconnect the washer fluid pump relay.
Is the windshield washer pump ON?		 Go to Step 8  Go to Step 7 
7 Connect a test lamp from battery positive voltage to the washer fluid pump relay control circuit terminal in the underhood fuse block.
Does the test lamp illuminate?		 Go to Step 10  Go to Step 16 
8 Disconnect the windshield wiper motor and module connector.
Is the windshield washer pump always ON?		 Go to Step 11  Go to Step 9 
9 Test the washer fluid pump supply circuit for a short to voltage. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 Go to Step 17  Go to Step 14 
10
  1. Disconnect the windshield wiper motor and module connector.
  2. Test the washer fluid pump relay control circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 Go to Step 17  Go to Step 14 
11 Repair the windshield washer pump control circuit for a short to voltage. Refer to Wiring Repairs .
Is the repair complete?		 Go to Step 17  -
12 Inspect for poor connections at the turn signal/malfunction switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 17  Go to Step 13 
13 Replace the turn signal/malfunction switch. Refer to Turn Signal Multifunction Switch Replacement .
Is the repair complete?		 Go to Step 17  -
14 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 17  Go to Step 15 
15 Replace the windshield wiper motor cover. Refer to Wiper Motor Cover Replacement - Front .
Is the repair complete?		 Go to Step 17  -
16 Replace the windshield washer relay.
Is the repair complete?		 Go to Step 17  -
17 Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 3 
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