DTC B1508: Short in Turn Signal / Hazard Flasher Circuit [08/2019 - ]: Procedure

1. Inspect the illumination of each turn signal light.

   Result

   Result	Proceed to
   Front turn signal light LH, side turn signal light LH and rear turn signal light LH do not blink.	A
   Front turn signal light RH, side turn signal light RH and rear turn signal light RH do not blink.	B

Result: 

B 

See step  8

Result: 

A 

See step  2

1. Disconnect the B5 socket plug assembly connector.
2. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

   Result

   Result	Proceed to
   DTC B1508 is output.	A
   DTC B1507 is output.	B

Result: 

B 

REPLACE SOCKET PLUG ASSEMBLY. Refer to  DISASSEMBLY [08/2015 - ] 

Result: 

A 

See step  3

1. Disconnect the K8 outer mirror control ECU assembly LH connector.
2. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

   Result

   Result	Proceed to
   DTC B1508 is output.	A
   DTC B1507 is output.	B

Result: 

B 

See step  6

Result: 

A 

See step  4

1. Disconnect the R25 rear combination light socket and wire sub-assembly LH connector.
2. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

   Result

   Result	Proceed to
   DTC B1508 is output.	A
   DTC B1507 is output.	B

Result: 

B 

REPLACE REAR COMBINATION LIGHT SOCKET AND WIRE SUB-ASSEMBLY LH. Refer to  DISASSEMBLY [08/2015 - ] 

Result: 

A 

See step  5

1. Disconnect the G101 combination meter assembly connector.
2. Disconnect the B5 socket plug assembly connector.
3. Disconnect the K8 outer mirror control ECU assembly LH connector.
4. Disconnect the R25 rear combination light socket and wire sub-assembly LH connector.
5. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   G101-8 (LL) or B5-2 or K8-11 (TRNI) or R25-3 (TRN) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

1. Disconnect the z3 outer rear view mirror assembly LH connector.
2. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

   Result

   Result	Proceed to
   DTC B1508 is output.	A
   DTC B1507 is output.	B

Result: 

A 

REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY LH. Refer to  REMOVAL [08/2015 - ] 

Result: 

B 

See step  7

1. Remove the side turn signal light assembly LH.

   Refer to REMOVAL [08/2015 - ]

2. Reconnect the z3 outer rear view mirror assembly LH connector.
3. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

4. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

   Result

   Result	Proceed to
   DTC B1508 is output.	A
   DTC B1507 is output.	B

Result: 

A 

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH. Refer to  REMOVAL [08/2019 - ] 

Result: 

B 

REPLACE SIDE TURN SIGNAL LIGHT ASSEMBLY LH. Refer to  REMOVAL [08/2015 - ] 

1. Disconnect the B6 socket plug assembly connector.
2. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

   Result

   Result	Proceed to
   DTC B1508 is output.	A
   DTC B1507 is output.	B

Result: 

B 

REPLACE SOCKET PLUG ASSEMBLY. Refer to  DISASSEMBLY [08/2015 - ] 

Result: 

A 

See step  9

1. Disconnect the J8 outer mirror control ECU assembly RH connector.
2. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

   Result

   Result	Proceed to
   DTC B1508 is output.	A
   DTC B1507 is output.	B

Result: 

B 

See step  12

Result: 

A 

See step  10

1. Disconnect the R26 rear combination light socket and wire sub-assembly RH connector.
2. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

   Result

   Result	Proceed to
   DTC B1508 is output.	A
   DTC B1507 is output.	B

Result: 

B 

REPLACE REAR COMBINATION LIGHT SOCKET AND WIRE SUB-ASSEMBLY RH. Refer to  DISASSEMBLY [08/2015 - ] 

Result: 

A 

See step  11

1. Disconnect the G101 combination meter assembly connector.
2. Disconnect the B6 socket plug assembly connector.
3. Disconnect the J8 outer mirror control ECU assembly RH connector.
4. Disconnect the R26 rear combination light socket and wire sub-assembly RH connector.
5. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   G101-13 (LR) or B6-2 or J8-11 (TRNI) or R26-3 (TRN) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

1. Disconnect the z2 outer rear view mirror assembly RH connector.
2. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

   Result

   Result	Proceed to
   DTC B1508 is output.	A
   DTC B1507 is output.	B

Result: 

A 

REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY RH. Refer to  REMOVAL [08/2015 - ] 

Result: 

B 

See step  13

1. Remove the side turn signal light assembly RH.

   Refer to REMOVAL [08/2015 - ]

2. Reconnect the z2 outer rear view mirror assembly RH connector.
3. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

4. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

   Result

   Result	Proceed to
   DTC B1508 is output.	A
   DTC B1507 is output.	B

Result: 

A 

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH. Refer to  REMOVAL [08/2019 - ] 

Result: 

B 

REPLACE SIDE TURN SIGNAL LIGHT ASSEMBLY RH. Refer to  REMOVAL [08/2015 - ]