Schematic Reference: Exterior Lights Schematics

Connector End View Reference: Master Electrical Component List in Wiring Systems

DEFINITION: Position lamps are available on export vehicles only.

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

1. Turn OFF the ignition.
2. For vehicles that are equipped with automatic transmissions, place the shift lever in the PARK position.
3. For vehicles that are equipped with manual transmissions, apply the park brake.
4. Place the multifunction, turn signal switch in the left and right turn positions.

Do both sides of the position lamps operate properly?

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

Go to Step 3

Do the park lamps operate properly?

Go to Step 4

Go to Park Lamps Inoperative

Do the turn signals operate properly?

Go to Step 5

Go to Turn Signal Lamps and/or Indicators Inoperative

Are both sides of the position lamps inoperative?

Go to Step 6

Go to Step 10

1. Turn OFF the ignition.
2. Remove the standing lamp relay.
3. Connect a test lamp between the standing lamp relay switch side supply voltage circuit and a good ground.

Does the test lamp illuminate?

Go to Step 7

Go to Step 18

Connect a test lamp between the standing lamp relay coil side supply voltage circuit and a good ground.

Does the test lamp illuminate?

Go to Step 8

Go to Step 19

1. Connect a test lamp between the standing lamp relay coil side supply voltage circuit and the standing lamp relay control circuit.
2. Place the multifunction, turn signal switch in the left and right turn positions.

Does the test lamp turn ON and OFF with the turn signal switch position?

Go to Step 9

Go to Step 13

1. Connect a 10-amp fused jumper between the switch side supply voltage circuit of the standing lamp relay and the coil side supply voltage circuit of the standing lamp relay.
2. Place the multifunction, turn signal switch in the left and right turn positions.

Do the position lamps illuminate with the turn signal switch position?

Go to Step 15

Go to Step 20

1. Remove the inoperable position relay.
2. Connect a test lamp between the position relay switch side supply voltage circuit and a good ground.

Does the test lamp illuminate?

Go to Step 11

Go to Step 21

Connect a test lamp between the inoperable position relay coil side supply voltage circuit and a good ground.

Does the test lamp illuminate?

Go to Step 12

Go to Step 22

1. Connect a test lamp between the position relay coil side supply voltage circuit and a good ground.
2. Turn the inoperable position lamp side turn signal ON and OFF several times.

Does the test lamp turn ON and OFF with the turn signal switch?

Go to Step 15

Go to Step 14

Test the standing lamp relay control circuit for an open or for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 26

Go to Step 16

Test the inoperable position relay control circuit for an open or for a short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 26

Go to Step 17

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

Did you find and correct the condition?

Go to Step 26

Go to Step 23

Inspect for poor connections at the harness connector of the rear integration module (RIM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 26

Go to Step 24

Inspect for poor connections at the harness connector of the turn signal switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 26

Go to Step 25

Repair the open in the standing lamp relay switch side supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 26

--

Repair the open in the standing lamp relay coil side supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 26

--

Repair the open or the short to ground in the coil side supply voltage circuit of the standing lamp relay. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 26

--

Repair the open in the position relay switch side supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 26

--

Repair the open in the inoperable position relay coil side supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 26

--

Replace the inoperable relay. Refer to Relay Replacement in Wiring Systems.

Did you complete the replacement?

Go to Step 26

--

Important: Perform the setup procedures for the RIM.

Replace the RIM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup and programming.

Did you complete the replacement?

Go to Step 26

--

Replace the multifunction, turn signal switch. Refer to Turn Signal Multifunction Switch Replacement in Steering Wheel and Column.

Did you complete the replacement?

Go to Step 26

--

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2