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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 491 (Body Diagnostic Procedures) >> Diagnostic Information And Procedures >> Windshield Wiper & Washer >> Symptom: *FRONT WIPER LOW SPEED INOPERATIVE >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURE - FRONT WIPER LOW SPEED INOPERATIVE

TEST ACTION APPLICABILITY
1 Turn the ignition off.
Disconnect the right side Multifunction Switch harness connector.
Connect a jumper wire between the Fused Ignition Switch Output circuit and the Front Wiper Motor Low Driver circuit in the Multifunction Switch harness connector.
Turn the ignition on.
Does the Front Wiper Motor function normally?
Yes --> Replace the Multifunction Switch.
Perform BODY VERIFICATION TEST - VER 1  .
No --> Go To 2
All
2 Turn the ignition off.
Disconnect the Front Wiper Motor.
Using a 12-volt test light connected to 12-volts, check the Front Wiper Motor Ground circuit.
Does the test light illuminate brightly?
Yes --> Go To 3
No --> Repair the Front Wiper Motor Ground Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1  .
All
3 Turn the ignition off.
Disconnect the Front Wiper Motor.
Disconnect the right side Multifunction Switch.
Measure the resistance of the Front Wiper Motor Low Driver circuit.
Is the resistance above 5.0 ohms?
Yes --> Repair the Front Wiper Motor Low Driver Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1  .
No --> Go To 4
All
4 Turn the ignition off.
Disconnect the Front Wiper Motor harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, check the Front Wiper Motor Low Driver circuit.
Turn the Front Wipers on to Low.
Does the test light illuminate brightly?
Yes --> Replace the Front Wiper Motor.
Perform BODY VERIFICATION TEST - VER 1  .
No --> Repair the Fused B+ Output circuit for an open.
Perform BODY VERIFICATION TEST - VER 1  .
All