Sound Signal Circuit between Radio Receiver and Television Display Assembly [12/2019 - 10/2022]: Procedure

1. Choose the model to be inspected.

   Result

   Result	Proceed to
   For 8 Inch Display	A
   For 12.3 Inch Display	B

Result: 

B 

See step  3

Result: 

A 

See step  2

1. Disconnect the R16 television display assembly connector.
2. Disconnect the H2 radio and display receiver assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   R16-7 (L1+) - H2-7 (CDL+)	Always	Below 1 Ω
   R16-8 (L1-) - H2-8 (CDL-)	Always	Below 1 Ω
   R16-9 (R1+) - H2-9 (CDR+)	Always	Below 1 Ω
   R16-10 (R1-) - H2-10 (CDR-)	Always	Below 1 Ω
   R16-11 (AGND) - Body ground	Always	10 kΩ or higher
   R16-7 (L1+) or H2-7 (CDL+) - Body ground	Always	10 kΩ or higher
   R16-8 (L1-) or H2-8 (CDL-) - Body ground	Always	10 kΩ or higher
   R16-9 (R1+) or H2-9 (CDR+) - Body ground	Always	10 kΩ or higher
   R16-10 (R1-) or H2-10 (CDR-) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2019 - 10/2022] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

1. Disconnect the R16 television display assembly connector.
2. Disconnect the H4 radio receiver assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   R16-7 (L1+) - H4-11 (VAL+)	Always	Below 1 Ω
   R16-8 (SGN7) - H4-13 (VA-)	Always	Below 1 Ω
   R16-9 (R1+) - H4-12 (VAR+)	Always	Below 1 Ω
   R16-11 (AGND) - H4-10 (AGND)	Always	Below 1 Ω
   R16-7 (L1+) or H4-11 (VAL+) - Body ground	Always	10 kΩ or higher
   R16-8 (SGN7) or H4-13 (VA-) - Body ground	Always	10 kΩ or higher
   R16-9 (R1+) or H4-12 (VAR+) - Body ground	Always	10 kΩ or higher
   R16-11 (AGND) or H4-10 (AGND) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2019 - 10/2022] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR