Lighting System (Except Wrx): Diagnosis Subaru XV GP

INSPECTION

Refer to "Basic Diagnostic Procedure" of "AUTO HEADLIGHT BEAM LEVELER SYSTEM (DIAGNOSTICS)" service information. < Refer to BASIC DIAGNOSTIC PROCEDURE . >

Unit inspection

Preparation tool

Circuit tester

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1. Check the resistance between switch terminals. Lighting switch Terminal No. Inspection conditions Standard Connection diagram - Switch OFF 1 Mohms or more - 18 - 12 Switch 1 (TAIL) Less than 1 ohms 20, 18 - 12 Switch 2 (HEAD) Less than 1 ohms 19 - 12 Switch AUTO Less than 1 ohms Dimmer & passing switch Terminal No. Inspection conditions Standard Connection diagram 11, 17 - 12 Switch PASS Less than 1 ohms 11 - 12 Switch UP Less than 1 ohms Turn signal switch Terminal No. Inspection conditions Standard Connection diagram 13 - 12 Switch TURN (RH) Less than 1 ohms 15 - 12 Switch TURN (LH) Less than 1 ohms Front fog light switch Terminal No. Inspection conditions Standard Connection diagram 4 - 3 Switch OFF 1 Mohms or more Switch ON Less than 1 ohms
2. Replace the switch assembly - combination turn dimmer if the inspection result is not within the standard value.

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1. Disconnect the ground cable from battery.
2. Remove the sensor - automatic light. CAUTION: Be careful not to damage the sensors and interior trims when removing. Release the connector and claws, and remove the panel COMPL - instrument UPR. Release the claws, and remove the sensor - automatic light from the panel COMPL - instrument UPR.

UNIT INSPECTION

Preparation tool

Circuit tester

Scheme 18

1. Turn the ignition switch to ON.
2. Set the lighting switch to AUTO position.
3. Check the voltage between the sensor terminals. Terminal No. Inspection conditions Standard Connection diagram 2 (+) - 1 (-) Measure the voltage when the area around the sensor - automatic light, which was dark, becomes bright. Dark condition: Approx. 0.6 V or less Bright condition: Approx. 3.0 V or more
4. Replace the sensor - automatic light if the inspection result is not within the standard value.

Unit inspection

Preparation tool

Circuit tester

Scheme 19

1. Check the resistance between switch terminals. Terminal No. Inspection conditions Standard Connection diagram 2 - 3 Switch OFF 1 Mohms or more Switch ON Less than 1 ohms
2. Replace the switch - hazard if the inspection result is not within the standard value.

Scheme 20

1. Remove the knee airbag module. < Refer to «REMOVAL»(ref-560375-S20581140632013061300000) , Knee Airbag Module. >
2. Remove the turn signal and hazard module. Disconnect the connector. Release the claws and remove the turn signal & hazard module from the beam COMPL - steering.

On-the vehicle inspection

Preparation tool

Circuit tester

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1. Disconnect the turn signal and hazard module connector.
2. Measure the voltage between the turn signal & hazard module connector and the chassis ground. Terminal No. Inspection conditions Standard Connection diagram 4 (+) - Chassis ground (-) Always 10 - 14 V 1 (+) - Chassis ground (-) IG OFF --> ON Less than 1 V --> 10 - 14 V Repair or replace the harness if the inspection result is not within the standard value.
3. Measure the resistance between the turn signal & hazard module connector and the chassis ground. Terminal No. Inspection conditions Standard Connection diagram 7 - Chassis ground Always Less than 1 ohms Repair or replace the harness if the inspection result is not within the standard value.
4. Connect the turn signal and hazard module connector.
5. Measure the voltage between the turn signal & hazard module and the chassis ground. Terminal No. Input/Output Inspection conditions Standard 6 (+) - Chassis ground (-) Input Turn signal switch (Right) OFF --> ON Less than 1 V --> 9 V or more 5 (+) - Chassis ground (-) Input Turn signal switch (Left) OFF --> ON Less than 1 V --> 9 V or more 8 (+) - Chassis ground (-) Input Hazard switch OFF --> ON Less than 1 V --> 9 V or more 2 (+) - Chassis ground (-) Output Turn signal switch (Right) OFF --> ON Repeat less than 1 V --> less than 1 V <----> more than 9 V at 60 to 120 times per minute. 3 (+) - Chassis ground (-) Output Turn signal switch (Left) OFF --> ON Repeat less than 1 V --> less than 1 V <----> more than 9 V at 60 to 120 times per minute. 2 (+) - Chassis ground (-) Output Hazard switch OFF --> ON Repeat less than 1 V --> less than 1 V <----> more than 9 V at 60 to 120 times per minute. 3 (+) - Chassis ground (-) Output Hazard switch OFF --> ON Repeat less than 1 V --> less than 1 V <----> more than 9 V at 60 to 120 times per minute.

Replace the turn signal and hazard module if the inspection result is not within the standard value.

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1. Disconnect the ground cable from battery.
2. Turn the steering wheel in the opposite direction from the parts to be removed. Then remove the screws and clips, and turn over the mud guard - front.
3. Remove the bulb socket and front turn signal light bulb.

1. Visually check the bulb for blow out.
2. Check the bulb specification. < Refer to «SPECIFICATION»(ref-560378-S11796275892013061300000) , General Description. >
3. Replace the bulb if it is found defective.

Scheme 25

1. Disconnect the ground cable from battery.
2. Turn the steering wheel in the opposite direction from the parts to be removed. Then remove the screws and clips, and turn over the mud guard - front.
3. Remove the bulb socket and the parking light bulb.

1. Visually check the bulb for blow out.
2. Check the bulb specification. < Refer to «SPECIFICATION»(ref-560378-S11796275892013061300000) , General Description. >
3. Replace the bulb if it is found defective.

Scheme 26

1. Disconnect the ground cable from battery.
2. Turn the steering wheel in the opposite direction from the parts to be removed. Then remove the screws and clips, and turn over the mud guard - front.
3. Remove the bulb socket and front side marker light bulb.

1. Visually check the bulb for blow out.
2. Check the bulb specification. < Refer to «SPECIFICATION»(ref-560378-S11796275892013061300000) , General Description. >
3. Replace the bulb if it is found defective.

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1. Disconnect the ground cable from battery.
2. Lift up the vehicle.
3. Remove the screw and clips, and turn over the front side of the mud guard - front.
4. From the bottom of the bumper face - front, remove the fog light assembly - front. Disconnect the connector. Remove the bolts, then remove the fog light assembly - front.

1. Visually check the bulb for blow out.
2. Check the bulb specification. < Refer to «SPECIFICATION»(ref-560378-S11796275892013061300000) , General Description. >
3. Replace the bulb if it is found defective.

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1. Disconnect the ground cable from battery.
2. Remove the cover - cap outer mirror. < Refer to «REPLACEMENT»(ref-560350-S32858951412013061300000) , Scalp Cap. >
3. Remove the light assembly - side turn mirror. Remove the screws and pull out the light assembly - side turn mirror to the front of the vehicle. Disconnect the connector and remove the light assembly - side turn mirror.

1. Install the light to check if it blinks normally.
2. If it fails to blink normally, replace the light assembly - side turn mirror with a new part. NOTE: Since LED (Light Emitting Diode) is used for the light, replace the light assembly - side turn mirror if the LED burns out.

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1. Disconnect the ground cable from battery.
2. Remove the mat - trunk.
3. Remove the trim panel - trunk rear. Remove the clip. Release the claws, and remove the trim panel - trunk rear.
4. Remove the clips, and turn over the trim panel - trunk side.
5. Remove the light assembly - rear combination. Remove the harness clip and connector. Release the nuts and clips, then remove the light assembly - rear combination. CAUTION: Be careful not to damage the clips.

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1. Disconnect the ground cable from battery.
2. Remove the light assembly - rear combination. CAUTION: Be careful not to damage the clips. Release the bolts and clips, then pull out the light assembly - rear combination to the vehicle rear. Disconnect the connector and remove the light assembly - rear combination.

1. Visually check the bulb for blow out.
2. Check the bulb specification. < Refer to «SPECIFICATION»(ref-560378-S11796275892013061300000) , General Description. >
3. Replace the bulb if it is found defective.

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1. Disconnect the ground cable from battery.
2. Remove the mat - trunk.
3. Remove the trim panel - trunk rear. Remove the clip. Release the claws, and remove the trim panel - trunk rear.
4. Remove the clips, and turn over the trim panel - trunk side.
5. Remove the bulb socket and tail light/stop light bulb.

Scheme 35

1. Disconnect the ground cable from battery.
2. Remove the light assembly - rear combination. CAUTION: Be careful not to damage the clips. Release the bolts and clips, then pull out the light assembly - rear combination to the vehicle rear. Disconnect the connector and remove the light assembly - rear combination.
3. Remove the bulb socket and tail light/stop light bulb.

1. Visually check the bulb for blow out.
2. Check the bulb specification. < Refer to «SPECIFICATION»(ref-560378-S11796275892013061300000) , General Description. >
3. Replace the bulb if it is found defective.

Scheme 36

1. Disconnect the ground cable from battery.
2. Remove the mat - trunk.
3. Remove the trim panel - trunk rear. Remove the clip. Release the claws, and remove the trim panel - trunk rear.
4. Remove the clips, and turn over the trim panel - trunk side.
5. Remove the bulb socket and rear turn signal light bulb.

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1. Disconnect the ground cable from battery.
2. Remove the light assembly - rear combination. CAUTION: Be careful not to damage the clips. Release the bolts and clips, then pull out the light assembly - rear combination to the vehicle rear. Disconnect the connector and remove the light assembly - rear combination.
3. Remove the bulb socket and rear turn signal light bulb.

1. Visually check the bulb for blow out.
2. Check the bulb specification. < Refer to «SPECIFICATION»(ref-560378-S11796275892013061300000) , General Description. >
3. Replace the bulb if it is found defective.

1. Visually check the bulb for blow out.
2. Check the bulb specification. < Refer to «SPECIFICATION»(ref-560378-S11796275892013061300000) , General Description. >
3. Replace the bulb if it is found defective.

Scheme 38

1. Disconnect the ground cable from battery.
2. Remove the mat - trunk.
3. Remove the trim panel - trunk rear. Remove the clip. Release the claws, and remove the trim panel - trunk rear.
4. Remove the clips, and turn over the trim panel - trunk side.
5. Remove the bulb socket and back-up light bulb.

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1. Disconnect the ground cable from battery.
2. Remove the light assembly - rear combination. CAUTION: Be careful not to damage the clips. Release the bolts and clips, then pull out the light assembly - rear combination to the vehicle rear. Disconnect the connector and remove the light assembly - rear combination.
3. Remove the bulb socket and rear turn signal light bulb.

1. Visually check the bulb for blow out.
2. Check the bulb specification. < Refer to «SPECIFICATION»(ref-560378-S11796275892013061300000) , General Description. >
3. Replace the bulb if it is found defective.

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1. Disconnect the ground cable from battery.
2. Remove the garnish - trunk. (4 door model) < Refer to «REMOVAL»(ref-560372-S23704905052013061300000) , Trunk Lid Garnish. >
3. Remove the license plate light. Release the claws and pull out the license plate light. Disconnect the connector and remove the bulb socket and bulb from the license plate light. NOTE: For 4 door model, when removing the bulb only, remove the trim panel - trunk lid halfway, then remove the bulb socket and the bulb.

1. Visually check the bulb for blow out.
2. Check the bulb specification. < Refer to «SPECIFICATION»(ref-560378-S11796275892013061300000) , General Description. >
3. Replace the bulb if it is found defective.

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1. Disconnect the ground cable from battery.
2. Remove the light assembly - high-mounted. Disconnect the connector. Release the claws, and remove the light assembly - high-mounted. Release the claws and remove the reflector assembly from the light - case. Remove the lens and remove the bulb.

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1. Disconnect the ground cable from battery.
2. Remove the trim panel - rear gate UPR. Remove the claws on the trim edge. Release the claws in the center of trim, and remove the trim panel - rear gate UPR.
3. Remove the light assembly - high-mounted. Remove the nut. From the inside of the rear gate, push the claws on both side of the light assembly - high-mounted to take it out toward vehicle rear. Disconnect the connector and remove the light assembly - high-mounted.

Unit inspection

Preparation tool

Circuit tester

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1. Check the resistance between switch terminals. Terminal No. Inspection conditions Standard Connection diagram - Switch OFF 1 Mohms or more 1 - 3 Switch ON Less than 1 ohms 2 - 3 Switch door Less than 1 ohms
2. Apply battery voltage to check the lighting condition of the light. Terminal No. Inspection conditions Specification Connection diagram 3 (+) - 1, 2 (-) Switch OFF Light OFF Switch ON Light ON Switch door Light ON
3. Replace the light assembly - room if the inspection result is not within the standard value.

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1. Disconnect the ground cable from battery.
2. Remove the light assembly - luggage room. CAUTION: When using a flat tip screwdriver, apply protective tape or cloth and be careful not to cause damage. Release the claws and remove the main body of the light assembly - luggage room. Disconnect the connector and remove the light assembly - luggage room and the bulb.

Preparation tool

Circuit tester

1. Check the resistance between switch terminals. Terminal No. Inspection conditions Specification Connection diagram 1 - 2 Switch OFF 1 Mohms or more Switch ON Less than 1 ohms
2. Replace the light assembly - luggage room if the inspection result is not within the standard value.

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1. Disconnect the ground cable from battery.
2. Remove the light assembly - trunk room. Disconnect the connector. Turn the light assembly - trunk room counterclockwise to 60° and remove the light. Release the claws, and detach the lens and bulb.

1. Visually check the bulb for blow out.
2. Check the bulb specification. < Refer to «SPECIFICATION»(ref-560378-S11796275892013061300000) , General Description. >
3. Replace the bulb if it is found defective.

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1. Disconnect the ground cable from battery.
2. Remove the pocket assembly. Attach the protective tape (a) to the panel center LWR. Remove the damper COMPL - pocket. Release the stoppers and remove the pocket assembly by pulling it toward you.
3. Remove the light - pocket. Release the claws and remove the light - pocket cover from the back panel - pocket. Disconnect the connector and remove the light - pocket from the cover.

1. Install the light to test if it illuminates normally.
2. If it fails to illuminate normally, replace the light - pocket with a new part. NOTE: Since LED (Light Emitting Diode) is used for the light, replace the light - pocket if the LED burns out.

Preparation tool

Circuit tester

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1. Remove the knee airbag module. < Refer to «REMOVAL»(ref-560375-S20581140632013061300000) , Knee Airbag Module. >
2. Release the lock and remove the fuse holder.
3. Remove the relay & fuse box. Disconnect the connector. Remove the bolts and nuts, and remove the relay & fuse box.
4. Disconnect the connector of body integrated unit.
5. Remove the auto headlight beam leveler CM. Disconnect the connector. Release the claws and pull out the auto headlight beam leveler CM.

Preparation tool

Circuit tester

Scheme 60

1. Connect three dry cell batteries (1.5 V) in series.
2. Connect the (+) side of the battery to terminal No. 3 of the sensor, and the (-) side of the battery to terminal No. 1, and apply a voltage of 4.5 V between terminals No. 3 - No. 1.
3. With voltage applied, check the voltage between terminals when the sensor link is moved slowly up and down. Terminal No. Inspection conditions Standard 2 (+) - 1 (-) Move the link within the operation range. 0.5 - 4.1 V
4. Replace the sensor assembly - headlight beam leveler if the inspection result is not within the standard value.

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1. Disconnect the ground cable from battery.
2. Lift up the vehicle.
3. Remove the screw and clips, and turn over the front side of the mud guard - front.
4. Remove the resistor assembly - daytime running light. CAUTION: The resistor may become hot. Be careful not to burn yourself when removing it. Disconnect the connector. Remove the bolts, then remove the resistor assembly - daytime running light.

Preparation tool

Circuit tester

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1. Check the resistance between switch terminals. Terminal No. Inspection conditions Standard Connection diagram 1 - 3 When door is opened Less than 1 ohms When door is closed 1 Mohms or more
2. Replace the switch assembly - door if the inspection result is not within the standard value.