Did you perform the DRL System Check?

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Go to Step 2

Go to Daytime Running Lights (DRL) System Check

1. Turn the ignition switch to the RUN position.
2. Release the park brake.

Does the brake indicator lamp light?

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Go to Diagnostic System Check

Go to Step 3

1. Turn the ignition switch to the LOCK position.
2. Disconnect the daytime running lamps (DRL) module.
3. Turn the ignition switch to the RUN position.
4. Connect a DMM J 39200 from the DRL module CKT 39 (PNK) , cavity C, to ground.

Is battery voltage present?

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Go to Step 4

Go to Step 11

Connect a test lamp J 35616-200 from DRL module CKT 39 (PNK) cavity C to CKT 750 (BLK) cavity H.

Does the test lamp light?

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Go to Step 5

Go to Step 12

1. Remove the DRL relay from the convenience center.
2. Connect a test lamp from the DRL relay CKT 634 (YEL) cavity G3 to ground.

Does the test lamp light?

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Go to Step 6

Go to Step 13

Connect a test lampJ 35616-200 from the DRL relay CKT 39 (PNK) cavity H3 to ground.

Does the test lamp light?

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Go to Step 7

Go to Step 14

1. Place the ignition switch in the OFF position.
2. Use a J 39200 in order to test CKT 592 (LT GRN/BLK) for continuity between the DRL relay cavity G1 and the DRL module cavity G

Did you find continuity?

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Go to Step 8

Go to Step 15

1. Reconnect the DRL relay.
2. Place the ignition switch in the RUN position.
3. Connect a fused jumper between CKT 592 (LT GRN/BLK) cavity G at the DRL module connector and ground.

Does the DRL operate?

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Go to Step 9

Go to Step 17

Engage then disengage the parking brakes in order to check the operation of the brake warning indicator.

Does the brake warning indicator operate properly?

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Go to Step 16

Go to Brake System Diagnosis in Hydraulic Brakes

1. Reconnect the diode.
2. Use a test lamp in order to backprobe the diode D300 connector cavity B to ground.

Does the test lamp light?

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Go to Step 19

Go to Step 20

Repair the open in CKT 39 (PNK) between the instrument panel (IP) fuse block and the DRL module.

Is the repair complete?

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Go to Daytime Running Lights (DRL) System Check

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Repair the open in CKT 750 (BLK) between the DRL module and ground G206.

Is the repair complete?

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Go to Daytime Running Lights (DRL) System Check

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1. Disconnect the diode D300 connector.
2. Connect a test lampJ 35616-200 from diode D300 connector cavity A to ground.

Does the test lamp light?

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Go to Step 10

Go to Step 18

Repair the open in CKT 39 (PNK) between splice S213 and the convenience center.

Is the repair complete?

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Go to Daytime Running Lights (DRL) System Check

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Repair the open in CKT 592 (LT GRN/BLK) between the DRL module and the DRL Relay.

Is the repair complete?

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Go to Daytime Running Lights (DRL) System Check

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Replace the DRL module. Refer to Daytime Running Lights (DRL) Control Module Replacement .

Is the repair complete?

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Go to Daytime Running Lights (DRL) System Check

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Replace the DRL relay. Refer to Daytime Running Lamps (DRL) Relay Replacement .

Is the repair complete?

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Go to Daytime Running Lights (DRL) System Check

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Repair the open in CKT 340 (ORN) between the IP fuse block and diode D300.

Is the repair complete?

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Go to Daytime Running Lights (DRL) System Check

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Repair the open in CKT 634 (YEL) between diode D300 and the convenience center.

Is the repair complete?

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Go to Daytime Running Lights (DRL) System Check

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Replace the DRL diode D300. Refer to Daytime Running Lamp (DRL) Diode Replacement .

Is the replacement complete?

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Go to Daytime Running Lights (DRL) System Check

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