Did you perform the Hydraulic Brake Diagnostic System Check?

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Go to Step 2

System OK

1. Disconnect the park brake warning switch connector.
2. Turn the ignition switch to run.
3. Check that the parking brake is released.

Does the brake indicator turn off?

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Go to Step 3

Go to Step 5

Ensure that the park brake warning switch is properly adjusted. Refer to Park Brake Cable Service/Adjustment .

Is the adjustment OK?

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Go to Step 4

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Replace the park brake warning switch.

Is the repair complete?

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System OK

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Disconnect the brake pressure warning switch connector.

Does the brake indicator turn off?

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Go to Step 6

Go to Step 7

1. Ensure that the master cylinder is full of fluid.
2. Replace the park brake warning switch.

Is the repair complete?

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System OK

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Disconnect the electronic brake control module (EBCM) C1 connector.

Does the brake indicator turn off?

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Go to Step 8

Go to Step 9

Replace the electronic brake control module (EBCM). Refer to Electronic Brake Control Module Replacement in Antilock Brake Systems.

Is the repair complete?

System OK

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Disconnect the daytime running lamp (DRL) module connector.

Does the brake indicator turn off?

Go to Step 10

Go to Step 19

Connect a DMMJ 39200 to TAN/WHT (33) wire cavity F to ground.

Is there continuity?

Go to Step 11

Go to Step 12

Locate and repair short to ground in TAN/WHT (33 ) wire or PPL (680) between S127 and daytime running lamp (DRL) module.

Is the repair complete?

System OK

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Connect a DMMJ 39200 to LT BLU (1134) wire cavity A to ground.

Is there continuity?

Go to Step 13

Go to Step 14

Locate and repair short to ground in LT BLU (1134) wire between park brake warning switch and daytime running lamp (DRL) module.

Is the repair complete?

System OK

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Connect a DMMJ 39200 to LT BLU (1134) wire cavity B to ground.

Is there continuity?

Go to Step 15

Go to Step 18

Disconnect the steering column C201 connector.

Is there still continuity?

Go to Step 17

Go to Step 16

Replace the ignition switch. Refer to Ignition Lock Cylinder Replacement - On Vehicle in Steering.

Is the repair complete?

System OK

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Locate and repair short to ground in LT BLU (1134) wire between Ignition switch and daytime running lamp (DRL) module.

Is the repair complete?

System OK

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Replace the daytime running lamps (DRL) module. Refer to Daytime Running Lights (DRL) Control Module Replacement in Lighting Systems.

Is the repair complete?

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System OK

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Disconnect the Instrument Cluster.

Use a DMM in order to test for continuity between TAN/WHT CKT (33) cavity A13 and ground.

Is there continuity?

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Go to Step 20

Go to Step 21

Locate and repair short to ground in TAN/WHT (33) wire between instrument cluster and daytime running lamp (DRL) module.

Is the repair complete?

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System OK

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Replace the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel Gauges and Console.

Is the repair complete?

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System OK

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