Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.3 T, 4L60E/M30REPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTWIPER/WASHER SYSTEMSWIPER SYSTEM & WASHER SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESWASHERS INOPERATIVE
2006 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.3 T, 4L60E/M30
Washers Inoperative
2006 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.3 T, 4L60E/M30SECTION Washers Inoperative
Washers Inoperative
| Step | Action | Values | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Wiper/Washer System Schematics Connector End View Reference: Wiper/Washer System Connector End Views DEFINITION: The windshield washer pump is inoperative. |
||||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | - | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
| 2 |
|
- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Do the windshield wipers operate when the windshield washer switch is pressed? | - | Go to Step 4 | Go to Step 7 |
| 4 |
|
- | Go to Step 5 | Go to Step 19 |
| 5 |
|
- | Go to Step 6 | Go to Step 9 |
| 6 |
|
- | Go to Step 12 | Go to Step 10 |
| 7 |
|
0.5 Ω | Go to Step 14 | Go to Step 8 |
| 8 | Test the following circuits for high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems.
Did you find and correct the condition? |
- | Go to Step 20 | Go to Step 13 |
| 9 | Test the windshield washer relay 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 20 | Go to Step 14 |
| 10 | 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 20 | Go to Step 11 |
| 11 | 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 20 | Go to Step 15 |
| 12 | Inspect for poor connections at the windshield washer pump. Refer to Testing for Intermittent Conditions and Poor Connections
andConnector Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 20 | Go to Step 16 |
| 13 | 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 20 | Go to Step 17 |
| 14 | Inspect for poor connections at the windshield wiper motor. Refer to Testing for Intermittent Conditions and Poor Connections
andConnector Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 20 | Go to Step 18 |
| 15 | Replace the windshield washer relay. Refer to Relay Replacement (Within an Electrical Center)
or Relay Replacement (Attached to Wire Harness)
in Wiring Systems. Is the repair complete? |
- | Go to Step 20 | - |
| 16 | Replace the windshield washer pump. Refer to Washer Pump Replacement . Is the repair complete? |
- | Go to Step 20 | - |
| 17 | Replace the windshield wiper/washer switch. Refer to Multifunction, Turn Signal Switch Replacement
in Steering Wheel and Column. Is the repair complete? |
- | Go to Step 20 | - |
| 18 | Replace the windshield wiper motor cover. Refer to Wiper Motor Cover Replacement . Is the repair complete? |
- | Go to Step 20 | - |
| 19 | Replace the underhood fuse block. Refer to Body Wiring Harness Junction Block Replacement
in Wiring Systems. Is the repair complete? |
- | Go to Step 20 | - |
| 20 | Operate the system in order to verify the repair. Did you correct the condition? |
- | System OK | Go to Step 3 |
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.