1

Did you review the Wiper/Washer operation and perform the necessary inspections?

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Go to Step 2

Go to Diagnostic Starting Point

1. Turn ON the ignition, with the engine OFF.
2. Use a DMM in order to backprobe from CKT 143 (YEL) cavity E4 at the steering column connector C201 to ground.

Does the voltage measure near the specified value?

B+

Go to Step 3

Go to Step 4

1. Turn OFF the ignition.
2. Disconnect the front wiper/washer switch at connector C201.
3. Turn the front wiper/washer switch to the LO position.
4. Use a DMM in order to measure the resistance of the front wiper/washer switch from CKT 96 (GRY) cavity E5 to CKT 143 (YEL) cavity E4 at the C201 connector.

Does the resistance measure within the specified range?

600ohms-750ohms

Go to Step 5

Go to Step 6

Repair the open in CKT 143 (YEL).

Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

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Go to Step 16

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1. Ensure that the DMM is still connected.
2. Move the front pulse wiper/washer switch from the LO position back through all of the delay settings one step at a time down to the maximum delay setting.

Are the resistance readings within 20% of the specified values respectively?

Go to Step 7

Go to Step 8

Replace the front wiper/washer switch.

Refer to Multifunction, Turn Signal and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column - Standard Turn Signal and Multifunction Switch Assembly - Disassemble - Off Vehicle Turn Signal and Multifunction Switch Assembly - Assemble - Off Vehicle in Steering Wheel and Column - Tilt.

Did you complete the replacement?

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Go to Step 16

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1. Reconnect the front wiper/washer switch at the C201 connector.
2. Disconnect the front windshield wiper motor and module.
3. Turn ON the ignition, with the engine OFF.
4. Turn the front wiper/washer switch to the LO position.
5. Connect a DMM between CKT 96 (BRN) cavity E at the front windshield wiper motor and module and ground.

Does the voltage measure near the specified value?

B+

Go to Step 9

Go to Step 11

Replace the front wiper/washer switch.

Refer to Multifunction, Turn Signal and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column - Standard Turn Signal and Multifunction Switch Assembly - Disassemble - Off Vehicle Turn Signal and Multifunction Switch Assembly - Assemble - Off Vehicle in Steering Wheel and Column - Tilt.

Did you complete the replacement?

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Go to Step 16

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Connect a DMM from the front windshield wiper motor and module CKT 143 (YEL) cavity C and ground.

Does the voltage measure near the specified value?

B+

Go to Step 10

Go to Step 12

Connect a test lamp between CKT 750 (BLK) cavity B to CKT 143 (YEL) cavity C at the front wiper motor and module.

Does the test lamp illuminate?

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Go to Step 13

Go to Step 14

Use a DMM in order to backprobe the front wiper/washer switch at the C201 connector CKT 96 (BRN) cavity E5 to ground.

Does the voltage measure near the specified value?

B+

Go to Step 15

Go to Step 6

Repair the open in CKT 143 (YEL).

Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

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Go to Step 16

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Replace the front windshield wiper motor and module.

Refer to Windshield Wiper System Module Replacement .

Did you complete the replacement?

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Go to Step 16

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Repair the open in CKT 750 (BLK).

Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 16

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Repair the open in CKT 96 (BRN).

Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

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Go to Step 16

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Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 2