LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1344 (Wiper System & Washer System) >> Diagnostic Information and Procedures >> Wipers Inoperative - All Modes

Wipers Inoperative - All Modes

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
Wipers Inoperative - All Modes

Step Action Yes No
Schematic Reference: Wiper/Washer System Schematics 
Connector End View Reference: Wiper/Washer System Connector End Views 
DEFINITION: This table diagnoses the front wipers inoperative in the LO, HI, and INT modes.
1 Did you review the Wiper/Washer System Description and Operation  and perform the necessary inspections? Go to Step 2  Go to Diagnostic Starting Point - Wiper/Washer Systems 
2
  1. Turn the ignition ON, engine OFF.
  2. Operate the wiper switch in the LO, HI, and INT positions.
Are the front wipers inoperative in all modes?
Go to Step 3  Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
3
  1. Disconnect the front wiper motor connector.
  2. Turn the ignition ON, engine OFF.
  3. Turn the front wiper switch to the HI position.
  4. Test the High speed voltage supply circuit at the wiper motor connector.
Did you measure ignition positive voltage at the wiper motor connector?
Go to Step 5  Go to Step 4 
4
  1. Disconnect the front wiper/washer switch connector.
  2. Turn the ignition ON, engine OFF.
  3. Test the voltage supply circuit at the front wiper/washer switch connector. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you measure ignition positive voltage at the front wiper/washer switch connector?
Go to Step 10  Go to Step 6 
5 Test the ground circuit of the wiper motor for a high resistance or an open condition. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 10  Go to Step 7 
6 Inspect for poor connections at the harness connector of the 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 10  Go to Step 8 
7 Inspect for poor connections at the harness connector of the wiper motor. 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 10  Go to Step 9 
8 Replace the front wiper/washer switch. Refer to Wipers/Washer Switch Replacement .
Did you complete the replacement?
Go to Step 10  -
9 Replace the front wiper motor. Refer to Wiper Motor Replacement .
Did you complete the replacement?
Go to Step 10  -
10 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 3