Washer Pump Inoperative
Step
| Action
| Value(s)
| Yes
| No
|
DEFINITION: The wiper washer is
inoperative when the switch is activated. Wipers operate normally.
|
1
| Were you sent here from the Wiper/Washer System Check?
| --
|
Go to Step 2
| Go to
Wiper/Washer System Check
|
2
|
- Disconnect the washer pump connector.
- Connect a DMM between terminal A and terminal B of the washer
pump connector.
- Turn the ignition switch to the ON position.
- Move the washer pump to the ON position.
- Measure the voltage.
Is the voltage within the specified values?
| 10.0-14.0V
|
Go to Step 3
|
Go to Step
6
|
3
| Check the washer pump lines, nozzles, and connections for
any restrictions.
Are these components in normal operating condition?
| --
|
Go to Step 5
|
Go to Step
4
|
4
| Repair the washer pump lines, nozzles, or connections as
needed.
Is the repair complete?
| --
| Go to
Wiper/Washer System Check
| --
|
5
| Replace the washer pump. Refer to
Washer Pump/Reservoir Replacement
.
Is the repair complete?
| --
| Go to
Wiper/Washer System Check
| --
|
6
|
- Connect a DMM between terminal A of the washer pump connector
and ground.
- Turn the ignition switch to the ON position.
- Move the washer pump to the ON position.
- Measure the voltage.
Is the voltage within the specified values?
| 10.0-14.0V
|
Go to Step 7
|
Go to Step
8
|
7
| Repair an open in CKT 150.
Is the repair complete?
| --
| Go to
Wiper/Washer System Check
| --
|
8
|
- Using a DMM, backprobe C219 terminal E with the positive lead
of the DMM.
- Connect the negative lead of the DMM to ground.
- Turn the ignition switch to the ON position.
- Move the washer pump to the ON position.
- Measure the voltage.
Is the voltage within the specified values?
| 10.0-14.0V
|
Go to Step 9
|
Go to Step
10
|
9
| Repair the open in CKT 94.
Is the repair complete?
| --
| Go to
Wiper/Washer System Check
| --
|
10
| Replace the wiper/washer switch. Refer to
Windshield Wiper and Washer Switch Replacement
.
Is the repair complete?
| --
| Go to
Wiper/Washer System Check
| --
|
