DTC B1532: LVDS Signal Malfunction (from Extension Module) [08/2015 - ]: Procedure

1. Disconnect the a2 stereo component tuner assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   a2-8 (GND2) - Body ground	Always	Below 1 Ω

3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   a2-4 (+B2) - a2-8 (GND2)	Always	11 to 14 V
   a2-3 (ACC2) - a2-8 (GND2)	Ignition switch ACC	11 to 14 V

NG → See step   4 

OK: Go to next step 

1. Replace the navigation wire with a new or known good one. Refer to REMOVAL [08/2015 - ] .
2. Clear the DTCs. Refer to DTC CHECK / CLEAR [08/2015 - ] .
3. Recheck for DTCs and check that no DTCs are output.

   OK

   No DTCs are output.

NG → See step   3 

OK → END 

1. Replace the stereo component tuner assembly with a new or known good one. Refer to REMOVAL [08/2015 - ] .
2. Clear the DTCs. Refer to DTC CHECK / CLEAR [08/2015 - ] .
3. Recheck for DTCs and check that no DTCs are output.

   OK

   No DTCs are output.

NG → See step   5 

OK → END 

1. Disconnect the a1 navigation receiver assembly connector.
2. Disconnect the a2 stereo component tuner assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance:

   Tester Connection	Condition	Specified Condition
   a1-4 (+B2) - a2-4 (+B2)	Always	Below 1 Ω
   a1-3 (ACC2) - a2-3 (ACC2)	Always	Below 1 Ω
   a1-8 (GND2) - a2-8 (GND2)	Always	Below 1 Ω
   a1-4 (+B2) - Body ground	Always	10 kΩ or higher
   a1-3 (ACC2) - Body ground	Always	10 kΩ or higher
   a1-8 (GND2) - Body ground	Always	10 kΩ or higher

NG → See step   6 

OK → See step   5