Step | Action | Values | Yes | No |
|---|---|---|---|---|
Schematic Reference: Wiper/Washer Schematics Connector End View Reference: Wiper/Washer Connector End Views DEFINITION: Windshield wipers are inoperative in one or more modes. | ||||
1 | Did you perform the Diagnostic System Check - Vehicle? | -- | Go to Step 2 | |
2 |
Do the windshield wipers operate normally in HIGH position? | -- | Go to Step 3 | Go to Step 17 |
3 |
Important: In the INT position the wipers operate only if the outside moisture sensor detects moisture on the windshield.
Do the windshield wipers operate normally in all positions? | -- | Go to Step 5 | Go to Step 4 |
4 | Did the windshield wipers operate in any of the above positions tested? | -- | Go to Step 15 | Go to Step 8 |
5 |
Do the windshield wipers operate normally for several cycles? | -- | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 6 |
6 |
Does the test lamp illuminate? | -- | Go to Step 28 | Go to Step 7 |
7 | Repair the open in windshield washer switch signal circuit between the outside moisture sensor and underhood fuse block. Refer to Connector Repairs . Did you complete the repair? | -- | Go to Step 30 | -- |
8 |
Does the test lamp illuminate? | -- | Go to Step 13 | Go to Step 9 |
9 |
Does the test lamp illuminate? | -- | Go to Step 10 | Go to Step 11 |
10 |
Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 13 |
11 |
Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 12 |
12 |
Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 28 |
13 |
Does the test lamp illuminate? | -- | Go to Step 23 | Go to Step 14 |
14 |
Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 25 |
15 |
Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 16 |
16 |
Does the resistance remain within the specified values and decrease as the delay speed is increased? | 300ohms-4Kohms | Go to Step 28 | Go to Step 26 |
17 |
Does the test lamp illuminate? | -- | Go to Step 19 | Go to Step 18 |
18 | Repair the coil supply voltage circuit of the WIPER HI/LO relay for an open. Did you complete the repair? | -- | Go to Step 30 | -- |
19 |
Does the test lamp illuminate? | -- | Go to Step 21 | Go to Step 20 |
20 |
Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 26 |
21 |
Does the test lamp illuminate? | -- | Go to Step 23 | Go to Step 22 |
22 |
Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 25 |
23 | Inspect for poor connections at the windshield wiper motor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 24 |
24 | Replace the windshield wiper motor. Refer to Windshield Wiper Motor Replacement . Is the repair complete? | -- | Go to Step 30 | -- |
25 | Replace the WIPER HI/LO relay. Refer to Relay Replacement . Did you perform the replacement? | -- | Go to Step 30 | -- |
26 | 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 30 | Go to Step 27 |
27 | Replace the windshield wiper/washer switch. Refer to Windshield Wiper and Washer Switch Replacement . Did you perform the replacement? | -- | Go to Step 30 | -- |
28 | Inspect for poor connections at the outside moisture sensor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 29 |
29 | Replace the outside moisture sensor. Refer to Windshield Outside Moisture Sensor Replacement . Did you perform the replacement? | -- | Go to Step 30 | -- |
30 |
Did you correct the condition? | -- | System OK | Go to Step 2 |
