For 1990-2009 cars

Step | Action | Values | Yes | No
--- | --- | --- | --- | ---
1 | Check the washer fluid level. Is there fluid in the washer reservoir? | -- | Go to Step 3 | Go to Step 2
2 | Fill the washer reservoir. Is the repair complete? | -- | System OK | --
3 | Verify that the hoses are not obstructed or leaking by disconnecting the washer hose and blowing through it toward the reservoir and also toward the nozzle. Are the hoses obstructed or leaking? | -- | Go to Step 4 | Go to Step 5
4 | Repair or replace the hoses. Is the repair complete? | - | System OK | --
5 | Check the function of the rear wiper. Does the rear wiper function correctly? | -- | Go to Step 7 | Go to Step 6
6 | Repair the rear wiper. Is the rear wiper repair complete? | -- | Go to Step 7 | --
7 |

1. Disconnect the electrical connector at the washer pump.
2. Use an ohmmeter to check continuity between the BLK wire of the washer pump connector and ground.

Does the ohmmeter indicate the specified value?

= 0 ohms

Go to Step 9

Go to Step 8

8 | Repair the open or the high-resistance ground connection. Is the repair complete? | -- | System OK | --
9 | Check the voltage at the washer pump connector (LT RED wire) when the rear washer is turned ON. Is the voltage equal to the specified value? | 11-14 V | Go to Step 10 | Go to Step 11
10 | Replace the washer pump. Refer to Washer Pump Replacement . Is the repair complete? | -- | System OK | --
11 |

1. Disconnect the wiper switch electrical connector.
2. Connect an ohmmeter between terminal A 3 and terminal A 2 of the wiper switch.
3. Observe the ohmmeter when the switch is moved to the rear WASH position.

Does the ohmmeter indicate the specified value?

= 0 ohms

Go to Step 12

Go to Step 13

12 | Repair the open circuit between terminal A 2 of the wiper switch connector and the rear washer pump. Is the repair complete? | -- | System OK | --
13 | Replace the wiper switch. Refer to Windshield Wiper and Washer Switch Replacement . Is the repair complete? | -- | System OK | --