Step | Action | Values | Yes | No |
|---|---|---|---|---|
Schematic Reference: Wiper/Washer Schematics Connector End View Reference: Wiper/Washer Connector End Views | ||||
1 | Did you perform the Wiper/Washer Diagnostic System Check? | -- | Go to Step 2 | |
2 |
Does the windshield wiper/washer system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Are the wipers only inoperative when the washer switch is depressed? | -- | Go to Step 16 | Go to Step 4 |
4 | Are the windshield wipers only inoperative in the high speed mode? | -- | Go to Step 11 | Go to Step 5 |
5 |
Does the test lamp illuminate? | -- | Go to Step 7 | Go to Step 6 |
6 |
Is the resistance within the specified range? | 560-7900 ohms | Go to Step 17 | Go to Step 24 |
7 | Command the Wiper 1 relay ON and OFF by cycling the windshield wiper/washer switch from the High to the Low positions. Do you hear a click when you command the Wiper 1 relay ON and OFF? | -- | Go to Step 10 | Go to Step 8 |
8 |
Does the test lamp illuminate? | -- | Go to Step 23 | Go to Step 9 |
9 | Connect a test lamp from the supply voltage circuit of the Wiper 1 relay coil to a good ground. Does the test lamp illuminate? | -- | Go to Step 27 | Go to Step 18 |
10 |
Does the test lamp illuminate? | -- | Go to Step 23 | Go to Step 18 |
11 | Command the Wiper 2 relay ON and OFF by cycling the windshield wiper/washer switch from the High to the Low positions. Do you hear a click when you command the Wiper 2 relay ON and OFF? | -- | Go to Step 14 | Go to Step 12 |
12 |
Does the test lamp illuminate? | -- | Go to Step 23 | Go to Step 13 |
13 | Connect a test lamp from the supply voltage circuit of the Wiper 2 relay coil to a good ground. Does the test lamp illuminate? | -- | Go to Step 27 | Go to Step 20 |
14 |
Does the test lamp illuminate? | -- | Go to Step 15 | Go to Step 28 |
15 |
Does the test lamp illuminate? | -- | Go to Step 21 | Go to Step 23 |
16 |
Does the test lamp illuminate? | -- | Go to Step 24 | Go to Step 22 |
17 | Test the signal circuit of the wiper/washer switch for an open or a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 33 | Go to Step 26 |
18 | Test the supply voltage circuit of the Wiper 1 relay coil for an open or a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 33 | Go to Step 26 |
19 | Test the low speed circuit of the windshield wiper motor 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 33 | Go to Step 25 |
20 | Test the supply voltage circuit of the Wiper 2 relay coil for an open or a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 33 | Go to Step 24 |
21 | Test the high speed circuit of the windshield wiper motor 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 33 | Go to Step 25 |
22 | Test the control circuit of the windshield washer pump 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 33 | Go to Step 26 |
23 | Inspect for poor connections at the inoperative wiper relay. 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 33 | Go to Step 29 |
24 | Inspect for poor connections at the harness connector of 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 33 | Go to Step 30 |
25 | Inspect for poor connections at the harness connector of the windshield 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 33 | Go to Step 31 |
26 | Inspect for poor connections at the harness connector of 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 33 | Go to Step 32 |
27 | Repair an open or high resistance in the ground circuit of the inoperative wiper relay coil. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 33 | -- |
28 | Repair an open or high resistance in the battery voltage circuit of the Wiper 2 relay switched input. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 33 | -- |
29 | Replace the inoperative wiper relay. Did you complete the replacement? | -- | Go to Step 33 | -- |
30 | Replace the windshield wiper/washer switch. Refer to Windshield Wiper and Washer Switch Replacement . Did you complete the replacement? | -- | Go to Step 33 | -- |
31 | Replace the windshield wiper motor. Refer to Windshield Wiper Motor Replacement . Did you complete the replacement? | -- | Go to Step 33 | -- |
32 |
Important: Perform the programming or setup procedure for the control module if required. Replace the BCM. Refer to Body Control Module Replacement in Body Control System. Did you complete the replacement? | -- | Go to Step 33 | -- |
33 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |