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Step
voltage at the windshield washer pump.
Is the voltage equal to the specified value?
Repair open circuit between the windshield washer pump and the
9
windshield wiper switch. Is the repair complete?
Use an ohmmeter to measure resistance between ground and the
10
windshield washer pump connector terminal 1. Is the resistance equal to
the specified value?
11 Repair the windshield washer pump ground circuit.
Is the repair complete?
12 Replace the windshield washer pump.
Is the repair complete?
Diagnostic Aid
If the front wiper is operating correctly, it is not necessary to check the fuse or the power supply circuit. Begin the diagnostic check at Step 5 of
If the front wiper is operating correctly, it is not necessary to check the fuse or the power supply circuit. Begin the diagnostic check at Step 5 of
If the front wiper is operating correctly, it is not necessary to check the fuse or the power supply circuit. Begin the diagnostic check at Step 5 of
the table below.
Step
1 Check fuse F12.
Is fuse F12 blown?
1. Check for a short circuit and repair it, if
1. Check for a short circuit and repair it, if
necessary.
2
2. Replace the fuse.
2. Replace the fuse.
3. Is the repair complete?
3. Is the repair complete?
1. Turn the ignition ON.
1. Turn the ignition ON.
2. Check the voltage at fuse F12.
2. Check the voltage at fuse F12.
3
3. Is the specified voltage available at fuse F12?
3. Is the specified voltage available at fuse F12?
4 Repair the open power supply circuit for fuse F12.
Is the repair complete?
1. Disconnect the rear window wiper electrical
1. Disconnect the rear window wiper electrical
connector.
2. Turn the ignition ON.
2. Turn the ignition ON.
5
3. Check the voltage at the RED/BLK wire.
3. Check the voltage at the RED/BLK wire.
Does the voltage equal the specified value?
Repair the open circuit for the RED/BLK wire between fuse F12 and
the rear window wiper motor. Is the repair complete?
6
7 With the rear window wiper still disconnected, use an
ohmmeter to check continuity between the BLK wire and
Action
REAR WINDOW WIPER
Action
Value(s)
Yes
-
System OK
≈ 0 Ω
Go to Step 12 Go to Step 11
Go to Step 12 Go to Step 11
Go to Step 12 Go to Step 11
Go to Step 12 Go to Step 11
-
System OK
-
System OK
Value(s)
Yes
-
Go to Step 2
Go to Step 2
-
System OK
11 - 14 v
Go to Step 5
Go to Step 5
-
System OK
11 - 14 v
Go to Step 7
Go to Step 7
-
System OK
≈ 0 Ω
Go to Step 9
Go to Step 9
No
-
-
-
No
Go to Step 3
Go to Step 3
-
Go to Step 4
Go to Step 4
-
Go to Step 6
Go to Step 6
-
Go to Step 8
Go to Step 8
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