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Step
Disconnect the washer hose.
•
Blow through the washer hose toward the reservoir
•
and also toward the nozzle.
Are the hoses obstructed or leaking? 4
Repair or replace the hoses.
Is the repair complete?
5 Check the function of the rear window wiper.
Does the rear window wiper function correctly?
6 Repair the rear window wiper.
Is the rear window wiper functioning correctly?
1. Disconnect the electrical connector at the rear
1. Disconnect the electrical connector at the rear
window washer pump.
2. Use an ohmmeter to check continuity between
2. Use an ohmmeter to check continuity between
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terminal 1 and ground.
Does the ohmmeter indicate the specified value?
8 Repair the open or high-resistance ground connection.
Is the repair complete?
1. Turn on the rear window washer.
1. Turn on the rear window washer.
2. Check the voltage at terminal 2 of the rear
2. Check the voltage at terminal 2 of the rear
window washer pump connector (DK
9
GRN/BLK).
Is the voltage equal to the specified value?
10 Replace the rear window washer pump.
Is the repair complete?
1. Disconnect the rear window wiper switch.
1. Disconnect the rear window wiper switch.
2. Connect an ohmmeter between terminal A3 and
2. Connect an ohmmeter between terminal A3 and
terminal A2 of the rear window wiper switch.
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3. Observe the ohmmeter when the switch is moved
3. Observe the ohmmeter when the switch is moved
to the rear WASH position.
Does the ohmmeter indicate the specified value?
Repair the open circuit between terminal A2 (DK GRN/BLK) of the
rear window wiper switch connector and terminal 2 (DK GRN/BLK)
12
of the rear window washer pump.
Is the repair complete?
13 Replace the rear window wiper switch.
Is the repair complete?
Action
Value(s)
Yes
-
System OK
-
Go to Step 7
Go to Step 7
-
Go to Step 7
Go to Step 7
≈ 0 Ω
Go to Step 9
Go to Step 9
-
System OK
11 - 14 v
Go to Step 10 Go to Step 11
Go to Step 10 Go to Step 11
Go to Step 10 Go to Step 11
Go to Step 10 Go to Step 11
-
System OK
≈ 0 Ω
Go to Step 12 Go to Step 13
Go to Step 12 Go to Step 13
Go to Step 12 Go to Step 13
Go to Step 12 Go to Step 13
-
System OK
-
System OK
No
-
Go to Step 6
Go to Step 6
-
Go to Step 8
Go to Step 8
-
-
-
-
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