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 | |
2 |
Are the wipers inoperative in all modes? | Go to Step 3 | |
3 | Are the wiper inoperative in high speed mode? | Go to Step 5 | Go to Step 4 |
4 | Are all of the low speed mode inoperative? | Go to Step 13 | Go to Step 18 |
5 |
Does the test lamp illuminate? | Go to Step 19 | Go to Step 6 |
6 |
Does the test lamp illuminate? | Go to Step 7 | Go to Step 20 |
7 |
Does the test lamp illuminate? | Go to Step 8 | Go to Step 10 |
8 |
Does the test lamp illuminate? | Go to Step 22 | Go to Step 9 |
9 | Test for a poor connection, an open in the windshield wiper motor high speed circuit. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 23 | Go to Step 20 |
10 |
Do the high speed wipers operate? | Go to Step 18 | Go to Step 11 |
11 | Test for a poor connection, short to battery or an open in the windshield wiper switch high signal circuit. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 23 | Go to Step 12 |
12 | Test for a poor connection, short to ground or an open in the wiper high speed relay control circuit. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 23 | Go to Step 21 |
13 |
Does the test lamp illuminate? | Go to Step 19 | Go to Step 14 |
14 |
Does the test lamp illuminate? | Go to Step 16 | Go to Step 15 |
15 | Test for a poor connection or an open in the windshield wiper motor low control circuit. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 23 | Go to Step 20 |
16 |
Does the windshield wiper turn ON in a low position? | Go to Step 18 | Go to Step 17 |
17 | Test for a poor connection or an open in the windshield wiper switch low signal circuit. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 23 | Go to Step 21 |
18 | Replace the windshield wiper/washer switch. Refer to Windshield Wiper and Washer Switch Replacement . Did you complete the replacement? | Go to Step 23 | -- |
19 | Replace the windshield wiper motor. Refer to Windshield Wiper Motor Replacement . Did you complete the replacement? | Go to Step 23 | -- |
20 | Replace the underhood fuse block. Refer to Underhood Electrical Center or Junction Block Replacement . Did you complete the replacement? | Go to Step 23 | -- |
21 | Replace the body control module (BCM). Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | Go to Step 23 | -- |
22 | Replace the wiper high relay. Refer to Relay Replacement . Did you complete the replacement? | Go to Step 23 | -- |
23 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |