Schematic Reference: Wiper/Washer Schematics

Connector End View Reference: Wiper/Washer Connector End Views

DEFINITION: The check washer fluid message is always displayed or does not display with low washer fluid.

Did you perform the Wiper/Washer Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Wiper/Washer

Verify the fault is present.

Does the system operate normally?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

1. Turn the ignition OFF.
2. Disconnect the washer fluid level switch connector.
3. Turn the ignition ON.

Does the radio display the check washer fluid message?

Go to Step 7

Go to Step 4

1. Turn the ignition OFF.
2. Connect a fused jumper wire from the washer fluid level switch signal circuit terminal in the washer fluid level switch connector to a good ground.
3. Turn the ignition ON.

Does the radio display the check washer fluid message?

Go to Step 6

Go to Step 5

1. Install a scan tool.
2. Display the dash integration module inputs data list.

Is the washer fluid level switch parameter displayed as low?

Go to Step 15

Go to Step 9

1. Turn the ignition OFF.
2. Connect a fused jumper wire across the washer fluid level switch harness connector terminals.
3. Turn the ignition ON.

Does the radio display the check washer fluid message?

Go to Step 11

Go to Step 10

1. Install a scan tool.
2. Display the dash integration module inputs data list.

Is the washer fluid level switch parameter displayed as low?

Go to Step 8

Go to Step 15

Test the washer fluid level switch signal circuit for a short to ground. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 13

Test the washer fluid level switch signal circuit for an open or high resistance. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 13

Repair the washer fluid level switch ground circuit for an open or high resistance. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 17

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Inspect for poor connections at the washer fluid level switch. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 12

Replace the washer fluid level switch.

Is the repair complete?

Go to Step 17

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Inspect for poor connections at the dash integration module. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 14

Important: Perform the programming or setup procedure for the dash integration module.

Replace the dash integration module. Refer to Dash Integration Module Replacement in Body Control System.

Is the repair complete?

Go to Step 17

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Inspect for poor connections at the radio. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 16

Replace the radio. Refer to Radio Replacement in Entertainment.

Is the repair complete?

Go to Step 17

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3