Was the entire Brake Warning System Check performed?

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Go to step 2

Go to Brake Warning System Check

Check the Brake Fluid Level.

Is the brake fluid level OK?

--

Go to step 3

Go to Brake Fluid Inspection

1. Ignition switch in RUN.
2. Using a scan tool, select the IPC inputs Menu.
3. Select the brake fluid level input.

Is the brake fluid level input ON?

--

Go to step 4

Go to step 7

1. Disconnect the brake fluid level switch.
2. Select the brake fluid level input.

Is the brake fluid level input ON?

--

Go to step 5

Go to step 11

1. Ignition switch OFF.
2. Disconnect the IPC connector.
3. Connect a DMM from the IPC connector terminal B15 (ORN/BLK) to ground.

Is the resistance within the specified range?

Less than 5 ohms

Go to step 6

Go to step 13

Repair short to ground in circuit 1684 (ORN/BLK)

Is the repair complete?

--

Go to Brake Warning System Check

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Select the park brake input.

Is the park brake input ON?

--

Go to step 8

Go to Instrument Cluster Diagnostic System Check

1. Disconnect the park brake switch.
2. Select the park brake input.

Is the park brake input ON?

--

Go to step 9

Go to step 12

1. Ignition switch in OFF.
2. Disconnect the IPC connector.
3. Connect a DMM from IPC connector terminal B14 (LT BLU) to ground.

Is the resistance within the specified range?

Less than 5 ohms

Go to step 10

Go to step 13

Repair short to ground in circuit 1134 (LT BLU).

Is the repair complete?

--

Go to Brake Warning System Check

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Replace brake fluid level switch. Refer to brake fluid level switch replacement.

Is repair complete?

--

Go to Brake Warning System Check

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Replace park brake switch. Refer to park brake switch replacement.

Is repair complete?

--

Go to Brake Warning System Check

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Replace IPC. Refer to IPC replacement.

Is repair complete?

--

Go to Brake Warning System Check

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