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Washers Inoperative

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. 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 System Schematics  
Connector End View Reference:  Wiper/Washer System Connector End Views  
1 Did you perform the Wiper/Washer Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Wiper/Washer 
2
  1. Turn the ignition ON.
  2. Press the windshield washer switch.
Does the windshield washer pump operate?		 Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3
  1. Observe the Wash Switch parameter with a scan tool.
  2. Press the windshield washer switch.
Does the scan tool indicate the wash switch is ON?		 Go to Step 4  Go to Step 5 
4
  1. Disconnect the windshield washer pump connector.
  2. Probe the windshield washer pump control circuit with a test lamp connected to a good ground.
  3. Press the windshield washer switch.
Does the test lamp illuminate?		 Go to Step 6  Go to Step 7 
5
  1. Disconnect the body control module (BCM) J2 connector.
  2. Probe the windshield washer switch signal circuit with a test lamp connected to a good ground.
  3. Press the windshield washer switch.
Does the test lamp illuminate?		 Go to Step 12  Go to Step 8 
6 Test the windshield washer pump ground circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 16  Go to Step 10 
7
  1. Disconnect the BCM J1 connector.
  2. Test the windshield washer pump control circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 16  Go to Step 12 
8
  1. Disconnect the windshield washer switch.
  2. Test the windshield washer switch voltage supply circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 16  Go to Step 9 
9 Test the windshield washer switch signal circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 16  Go to Step 11 
10 Inspect for poor connections at the windshield washer pump. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 16  Go to Step 13 
11 Inspect for poor connections at the windshield wiper/washer switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 16  Go to Step 14 
12 Inspect for poor connections at the BCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 16  Go to Step 15 
13 Replace the windshield washer pump. Refer to Washer Pump Replacement .
Did you complete the replacement?		 Go to Step 16  -
14 Replace the windshield wiper/washer switch. Refer to Wipers/Washer Switch Replacement .
Did you complete the replacement?		 Go to Step 16  -
15
IMPORTANT: Perform the set up procedure for the control module after replacement, if needed.
Replace the BCM. Refer to Body Control Module Replacement in Body Control System.Did you complete the replacement?		 Go to Step 16  -
16 Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 3 
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