Parking Light/Daytime Running Light Circuit [08/2019 - ]: Procedure

1. Choose the model to be inspected.

   Result

   Result	Proceed to
   for Multiple Beam Headlight	A
   for Single Beam Headlight	B

Result: 

B 

See step  3

Result: 

A 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / AFS / Active Test.
5. Perform the Active Test according to the display on the Techstream.

   Body Electrical > AFS > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   Clearance Light	Parking lights	OFF or ON	-
   Daytime Running Light	Daytime running lights	OFF or ON	This Active Test can only be performed when the customization item DRL function is set to "ON" using the Techstream.

   Body Electrical > AFS > Active Test 

   Tester Display
   Clearance Light

   Body Electrical > AFS > Active Test 

   Tester Display
   Daytime Running Light

   OK

   Parking lights and daytime running lights illuminate.

   Result

   Result	Proceed to
   OK	A
   NG (LH side parking light and daytime running light does not illuminate)	B
   NG (RH side parking light and daytime running light does not illuminate)	C

Result: 

A 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [08/2019 - ] 

Result: 

B 

See step  4

Result: 

C 

See step  6

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / HL AutoLeveling / Active Test.
5. Perform the Active Test according to the display on the Techstream.

   Body Electrical > HL AutoLeveling > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   Clearance Light	Parking lights	OFF or ON	-
   Daytime Running Light	Daytime running lights	OFF or ON	This Active Test can only be performed when the customization item DRL function is set to "ON" using the Techstream.

   Body Electrical > HL AutoLeveling > Active Test 

   Tester Display
   Clearance Light

   Body Electrical > HL AutoLeveling > Active Test 

   Tester Display
   Daytime Running Light

   OK

   Parking lights and daytime running lights illuminate.

   Result

   Result	Proceed to
   OK	A
   NG (LH side parking light and daytime running light does not illuminate)	B
   NG (RH side parking light and daytime running light does not illuminate)	C

Result: 

A 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [08/2019 - ] 

Result: 

C 

See step  6

Result: 

B 

See step  4

1. Interchange the headlight unit LH with RH and connect the connectors.

   Refer to DISASSEMBLY [08/2019 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  5

1. Check the operation of the parking lights and daytime running lights.

   OK

   The parking lights and daytime running lights operate normally.

   Result

   Result	Proceed to
   OK	A
   NG (for TMC Made)	B
   NG (for TMMC Made)	C

Result: 

A 

REPLACE NO. 1 HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [08/2019 - ] 

Result: 

B 

REPLACE HEADLIGHT UNIT LH. Refer to  DISASSEMBLY [08/2019 - ] 

Result: 

C 

REPLACE HEADLIGHT ASSEMBLY LH. Refer to  REMOVAL [08/2019 - ] 

1. Interchange the headlight unit RH with LH and connect the connectors.

   Refer to DISASSEMBLY [08/2019 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  7

1. Check the operation of the parking lights and daytime running lights.

   OK

   The parking lights and daytime running lights operate normally.

   Result

   Result	Proceed to
   OK	A
   NG (for TMC Made)	B
   NG (for TMMC Made)	C

Result: 

A 

REPLACE NO. 1 HEADLIGHT ECU SUB-ASSEMBLY RH. Refer to  REMOVAL [08/2019 - ] 

Result: 

B 

REPLACE HEADLIGHT UNIT RH. Refer to  DISASSEMBLY [08/2019 - ] 

Result: 

C 

REPLACE HEADLIGHT ASSEMBLY RH. Refer to  REMOVAL [08/2019 - ]