The numbers below refer to the step numbers on the diagnostic table.
Step | Action | Yes | No | ||||||
---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Wiper/Washer Schematics Connector End View Reference: Wiper/Washer Connector End Views DEFINITION: Headlamp Washer Inoperative. The windshield washers and headlamps operate normally. The CHECK WASHER FLUID message is not displayed. | |||||||||
1 | Have you conducted Diagnostic System Check - Vehicle? | Go to Step 2 | |||||||
2 |
Do the headlamp washers operate after the fourth press of the windshield washer switch? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 | ||||||
3 |
Do the headlamp washers operate when they are commanded ON? | Go to Step 4 | Go to Step 5 | ||||||
4 |
Does the Headlamp Washer Switch parameter display On? | Go to Step 15 | Go to Step 9 | ||||||
5 |
Does the test light illuminate? | Go to Step 6 | Go to Step 16 | ||||||
6 | Connect a test lamp from the battery positive voltage circuit, the switch side of the headlamp washer relay connector coil to a good ground. Does the test light illuminate? | Go to Step 7 | Go to Step 16 | ||||||
Connect a 10-amp fused jumper wire between the battery positive voltage circuit, the switch side of the relay connector and the headlamp washer control circuit of the relay connector. Does the windshield washer fluid pump operate normally? | Go to Step 8 | Go to Step 11 | |||||||
8 |
Does the test light illuminate? | Go to Step 13 | Go to Step 10 | ||||||
9 | Test the windshield wiper switch signal 2 circuit between the IPM and the windshield wiper/washer switch for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs . Do you find and correct the condition? | Go to Step 20 | Go to Step 15 | ||||||
10 | Test the headlamp washer relay control circuit between the IPM and the headlamp washer fluid pump relay for the following conditions: Refer to Circuit Testing and Wiring Repairs .
Do you find and correct the condition? | Go to Step 20 | Go to Step 15 | ||||||
11 | Test the headlamp washer fluid pump control circuit between the relay and the headlamp washer fluid pump for high resistance or an open. Refer to Circuit Testing and Wiring Repairs . Do you find and correct the condition? | Go to Step 20 | Go to Step 12 | ||||||
12 | Test the ground circuit of the windshield washer fluid pump for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs . Do you find and correct the condition? | Go to Step 20 | Go to Step 14 | ||||||
13 | Inspect for poor connections at the headlamp washer relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Do you find and correct the condition? | Go to Step 20 | Go to Step 17 | ||||||
14 | Check for poor connections at the harness connector of the headlamp washer fluid pump. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Do you find and correct the condition? | Go to Step 20 | Go to Step 18 | ||||||
15 | Check for poor connections at the harness connector of the IPM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Do you find and correct the condition? | Go to Step 20 | Go to Step 19 | ||||||
16 | Repair the short to ground or open in the appropriate battery positive voltage circuit of the headlamp washer relay. Refer to Circuit Testing and Wiring Repairs . Is the trouble corrected? | Go to Step 20 | -- | ||||||
17 | Replace the headlamp washer relay. Have you finished the replacement? | Go to Step 20 | -- | ||||||
18 | Replace the headlamp washer fluid pump. Refer to Headlamp Washer Pump Replacement . Have you finished the replacement? | Go to Step 20 | -- | ||||||
19 | Replace the instrument panel module. Refer to Control Module References for replacement, setup and programming. Have you finished the replacement? | Go to Step 20 | -- | ||||||
20 |
Is the failure removed? | System is OK. | Go to Step 2 |