For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Was the Wiper/Washer Diagnostic System Check performed? | -- | Go to Step 2 | Go to Diagnostic System Check - Wiper/Washer
2 |

1. Disconnect the washer pump connector.
2. Connect a test light between terminals A and B of the pump connector.
3. Activate the washer switch and observe the test light.

Is the test light on?

--

Go to Step 3

Go to Step 6

3 | Check for a poor connection condition to the washer pump. Is a poor connection condition present? | -- | Go to Step 4 | Go to Step 5
4 | Repair the poor connection condition to the washer pump. Is the repair complete? | -- | Go to Diagnostic System Check - Wiper/Washer | --
5 | Replace the washer pump. Refer to Washer Pump Replacement Is the replacement complete? | -- | Go to Diagnostic System Check - Wiper/Washer | --
6 |

1. Connect the test light between the washer pump connector terminal A and ground.
2. Activate the washer switch.

Is the test light on?

--

Go to Step 7

Go to Step 8

7 | Repair the open circuit condition in circuit 150. Is the repair complete? | -- | Go to Diagnostic System Check - Wiper/Washer | --
8 |

1. Backprobe from the wiper/washer switch connector terminal B to ground.
2. Activate the washer switch.

Is the test light on?

--

Go to Step 9

Go to Step 11

9 | Check for an open circuit condition in circuit 228. Is an open circuit condition present? | -- | Go to Step 10 | Go to Diagnostic System Check - Wiper/Washer
10 | Repair the open circuit condition in circuit 228. Is the repair complete? | -- | Go to Diagnostic System Check - Wiper/Washer | --
11 | Check for a poor connection condition at the wiper/washer switch connector terminal B. Is a poor connection condition present? | -- | Go to Step 12 | Go to Step 13
12 | Repair the poor connection condition at the wiper/washer switch connector terminal B. Is the repair complete? | -- | Go to Diagnostic System Check - Wiper/Washer | --
13 | Replace the wiper/washer switch assembly. Refer to Multifunction Turn Signal Lever Replacement in Steering. Is the replacement complete? | -- | Go to Diagnostic System Check - Wiper/Washer | --