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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1803 (Wipers System And Washer System) >> Diagnostic Information and Procedures >> Washers Inoperative

Washers Inoperative

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Washers Inoperative

Step Action Yes No
Schematic Reference: Wiper/Washer Schematics 
Connector End View Reference: Master Electrical Component List
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2 Verify that the Washers Inoperative complaint is present.
Do the washers operate as described in the Description and Operation?		 Go to Testing for Intermittent Conditions and Poor Connections Go to Step 3 
3
  1. Turn OFF the ignition.
  2. Disconnect the harness connector of the windshield washer fluid pump.
  3. Connect a test lamp from the windshield washer pump control circuit to a good ground.
  4. Turn ON the ignition, with the engine OFF.
  5. Press the front washer switch.
Does the test lamp illuminate?		 Go to Step 4  Go to Step 8 
4
  1. Connect the test lamp from the rear window washer pump control circuit to a good ground.
  2. Turn ON the ignition, with the engine OFF.
  3. Press the rear washer switch.
Does the test lamp illuminate?		 Go to Step 5  Go to Step 7 
5
  1. Connect the test lamp between the windshield washer pump control circuit and the rear window washer pump control circuit at the windshield washer fluid pump.
  2. Turn ON the ignition, with the engine OFF.
  3. Press the front washer switch.
Does the test lamp illuminate?		 Go to Step 9  Go to Step 6 
6
  1. Turn OFF the ignition.
  2. Disconnect the harness connector of the windshield wiper washer switch.
  3. With a test lamp connected to battery positive voltage, probe the ground circuit of the harness connector.
Does the test lamp illuminate?		 Go to Step 10  Go to Step 11 
7
  1. Turn OFF the ignition.
  2. Disconnect the harness connector of the windshield wiper washer switch.
  3. Test the rear window washer pump control circuit for an open or a short to ground. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 Go to Step 14  Go to Step 10 
8
  1. Turn OFF the ignition.
  2. Disconnect the harness connector of the windshield wiper washer switch.
  3. Test the windshield washer pump control circuit for an open or a short to ground. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 Go to Step 14  Go to Step 10 
9 Inspect for poor connections at the windshield washer fluid pump. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 14  Go to Step 12 
10 Inspect for poor connections at the windshield 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 14  Go to Step 13 
11 Repair the ground circuit for an open or a high resistance. Refer to Circuit Testing and Wiring Repairs .
Did you complete the repair?		 Go to Step 14  -
12 Replace the windshield washer fluid pump. Refer to Washer Pump/Reservoir Replacement .
Did you complete the replacement?		 Go to Step 14  -
13 Replace the windshield wiper washer switch. Refer to Turn Signal Multifunction Switch Replacement .
Did you complete the replacement?		 Go to Step 14  -
14 Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 2 
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