Step
| Action
| Value(s)
| Yes
| No
|
1
| Was the Wiper/Washer System Check performed?
| --
|
Go to Step 2
| Go to
Wiper/Washer System Check
.
|
2
|
- Turn the ignition switch to the ON position.
- Disconnect the WSW pump connector.
- Turn the WSWA switch to the MIST position.
- Use the DMM to measure the voltage between terminal 1 of the WSW
pump connector and a known good ground.
Is the measured voltage within the specified value?
| B+
|
Go to Step 4
|
Go to Step
3
|
3
|
- Locate an open or a high resistance in circuits FA3 and/or FA80.
- Repair the open or the high resistance in circuits FA3 and/or
FA80.
- Replace the WSWA switch if these circuits are OK. Refer to
Windshield Wiper and Washer Switch Replacement - On Vehicle
in Steering Wheel and Column On Vehicle Service.
Is the repair or replacement complete?
| --
|
Go to Step 7
| --
|
4
| Use the DMM to measure the resistance between terminal
2 of the WSW pump connector and a known good ground.
Is the measured resistance within the specified value?
| Less than 5 ohms
|
Go to Step 6
|
Go to Step 5
|
5
|
- Locate an open or a high resistance in circuit F30.
- Repair the open or the high resistance in circuit F30.
Is the repair complete?
| --
|
Go to Step
7
| --
|
6
| Replace the WSW pump. Refer to
Washer Pump Replacement
in Wiper/Washer System.
Is the replacement complete?
| --
|
Go to Step
7
| --
|
7
|
- Connect all connectors and components that were disconnected.
- Verify that the WSW pump operates properly.
Does the WSW pump operate properly?
| --
| System OK
|
Go to Step 1
|
