Did you perform the DRL System Check?

--

Go to Step 2

Go to Daytime Running Lights (DRL) System Check

Use the scan tool in order to read the Body Control Module (BCM) current trouble codes.

Does the scan tool show any DTCs?

--

Go to Diagnostic System Check - Body Control System in Body Control System

Go to Step 3

1. Place the headlamp switch in HEAD position.
2. Connect a test lamp between the following components:

•	From LT HDLP Fuse to ground

•	From RT HDLP Fuse to ground

Does the test lamp illuminate at both fuses?

--

Go to Step 14

Go to Step 4

Connect a test lamp from CKT 1940 (ORN) at the headlamp switch to ground.

Does the test lamp illuminate?

--

Go to Step 6

Go to Step 5

Locate and repair the open in CKT 1940 (ORN) between the IP Fuse Block and the headlamp switch.

Is the repair complete?

--

Go to Daytime Running Lights (DRL) System Check

--

Connect a test lamp between CKT 352 (WHT) at the headlamp switch to ground.

Does the test lamp illuminate?

--

Go to Step 8

Go to Step 7

Replace the headlamp switch.

Is the repair complete?

--

Go to Daytime Running Lights (DRL) System Check

--

Connect a test lamp from pin 86 of the Headlamp Power Relay connector to ground.

Does the test lamp illuminate?

--

Go to Step 10

Go to Step 9

Locate and repair the open in CKT 352 (WHT) between the headlamp switch and the Headlamp Power Relay.

Is the repair complete?

--

Go to Daytime Running Lights (DRL) System Check

--

1. Remove the Headlamp Power Relay.
2. Connect a test lamp from pin 2 to pin 1 of the Headlamp Power Relay connector.

Does the test lamp illuminate?

--

Go to Step 11

Go to Step 13

1. Replace the Headlamp Power Relay.
2. Retest the system.

Does the symptom persist?

--

Go to Step 12

Go to Daytime Running Lights (DRL) System Check

Replace the underhood fuse block.

Is the repair complete?

--

Go to Daytime Running Lights (DRL) System Check

--

Locate and repair the open in CKT 350 (BLK) between the underhood fuse block and G102.

Is the repair complete?

--

Go to Daytime Running Lights (DRL) System Check

--

1. Disconnect C211 at the steering column.
2. Connect a fused jumper between terminal E12 (YEL) and terminal E13 (YEL) in order to bypass the multifunction switch.

Do the headlamps light?

--

Go to Step 15

Go to Step 18

Inspect the integrity of the terminals.

Are the terminals in need of repair?

--

Go to Step 16

Go to Step 17

Repair the terminals as necessary.

Is the repair complete?

--

Go to Daytime Running Lights (DRL) System Check

--

Replace the multifunction switch.

Is the repair complete?

--

Go to Daytime Running Lights (DRL) System Check

--

1. Remove the Headlamp Ground Relay.
2. Connect a J 39200 digital multimeter (DMM) from pin 30 at the Headlamp Ground Relay to pin E13 at the multifunction Switch.

Is the resistance less than the specified value?

1 ohms

Go to Step 20

Go to Step 19

Locate and repair the open in CKT 10 (YEL) between the Multifunction Switch and the underhood fuse block.

Is the repair complete?

--

Go to Daytime Running Lights (DRL) System Check

--

1. Replace the connector at the Multifunction Switch.
2. Connect a J 39200 DMM between relay terminal 30 and terminal 87A of the Headlamps Ground Relay.

Is the resistance less than the specified value?

1 ohms

Go to Step 21

Go to Step 22

Locate and repair the open in CKT 350 (BLK) between the underhood fuse block and G102.

Is the repair complete?

--

Go to Daytime Running Lights (DRL) System Check

--

Replace the Headlamp Ground Relay.

Is the repair complete?

--

Go to Daytime Running Lights (DRL) System Check

--