NAVIGATION SYSTEM, Diagnostic DTC:B15C0, B15C1

DESCRIPTION

These DTCs are stored when a malfunction occurs in the navigation antenna assembly*1 or roof antenna assembly*2.

• *1: w/o Digital TV Function

• *2: w/ Digital TV Function

WIRING DIAGRAM

CAUTION / NOTICE / HINT

PROCEDURE

1. CLEAR DTC

   
   

   1. Clear the DTCs.

      Click here

      
      Body Electrical > Navigation System > Clear DTCs

      Result
      Proceed to NEXT

   
   

   NEXT

2. CHECK DTC

   
   

   1. Recheck for DTCs and check if the same DTC is output again.

      Click here

      
      Body Electrical > Navigation System > Trouble Codes

      OK
      No DTCs are output.

      Result
      Proceed to OK NG

   
   

   OK

   USE SIMULATION METHOD TO CHECK Click here

   NG

3. CHECK VEHICLE TYPE

   
   

   1. Check the vehicle type.

      Result
      Result Proceed to w/o Digital TV Function A w/ Digital TV Function B

   
   

   B

   INSPECT ROOF ANTENNA ASSEMBLY Click here

   A

4. INSPECT NAVIGATION ANTENNA ASSEMBLY

   
   

   1. 

      Remove the navigation antenna assembly.

      Click here

   2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition 3 - 3a Always 50 to 500 Ω

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE NAVIGATION ANTENNA ASSEMBLY Click here

   OK

5. CHECK ANTENNA CORD SUB-ASSEMBLY

   
   
   1. 

      *a	Front view of wire harness connector (to Navigation Antenna Assembly)
      *b	Front view of wire harness connector (to Instrument Panel Wire)

      Disconnect the antenna connector from the navigation antenna assembly.

   2. Disconnect the antenna connector from the instrument panel wire.

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

      Standard Resistance
      Tester Connection Condition Specified Condition A-3 - 1 (GPS) Always Below 1 Ω A-3a - 1a Always Below 1 Ω A-3 - Body ground Always 10 kΩ or higher A-3a - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE ANTENNA CORD SUB-ASSEMBLY Click here

   OK

6. CHECK HARNESS AND CONNECTOR (ANTENNA CORD SUB-ASSEMBLY - RADIO RECEIVER ASSEMBLY)

   
   

   1. Disconnect the I109 radio receiver assembly connector.

   2. Disconnect the I147 antenna cord sub-assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition I109-1 (GPS) - I147-1 (GPS) Always Below 1 Ω I109-1a - I147-1a Always Below 1 Ω I109-1 (GPS) - Body ground Always 10 kΩ or higher I109-1a - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   

   OK

   REPLACE RADIO RECEIVER ASSEMBLY Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

7. INSPECT ROOF ANTENNA ASSEMBLY

   
   
   1. 

      *a	Roof Antenna Assembly

      Remove the roof antenna assembly.

      Click here

   2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition 2 - 2a Always 4 to 11 kΩ

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE ROOF ANTENNA ASSEMBLY Click here

   OK

8. INSPECT NO. 4 ANTENNA CORD SUB-ASSEMBLY

   
   
   1. 

      *a	Front view of wire harness connector (to Roof Antenna Assembly)
      *b	Front view of wire harness connector (to No. 2 Antenna Cord Sub-assembly)

      Disconnect the antenna connector from the roof antenna assembly connector.

   2. Disconnect the antenna connector from the No. 2 antenna cord sub-assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition A-2 - B-1 Always Below 1 Ω A-2a - B-1a Always Below 1 Ω A-2 - Body ground Always 10 kΩ or higher A-2a - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE NO. 4 ANTENNA CORD SUB-ASSEMBLY Click here

   OK

9. INSPECT NO. 2 ANTENNA CORD SUB-ASSEMBLY

   
   
   1. 

      *a	Front view of wire harness connector (to No. 4 Antenna Cord Sub-assembly)
      *b	Front view of wire harness connector (to No. 1 Antenna Cord Sub-assembly)

      Disconnect the antenna connector from the No. 4 antenna cord sub-assembly connector.

   2. Disconnect the antenna connector from the No. 1 antenna cord sub-assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition B-1 - C-1 Always Below 1 Ω B-1a - C-1a Always Below 1 Ω B-1 - Body ground Always 10 kΩ or higher B-1a - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY Click here

   OK

10. INSPECT NO. 1 ANTENNA CORD SUB-ASSEMBLY

    
    
    1. 

       *a	Front view of wire harness connector (to No. 2 Antenna Cord Sub-assembly)
       *b	Front view of wire harness connector (to Radio Receiver Assembly)

       Disconnect the antenna connector from the No. 2 antenna cord sub-assembly connector.

    2. Disconnect the antenna connector from the radio receiver assembly connector.

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

       Standard Resistance
       Tester Connection Condition Specified Condition C-1 - GP-1 (GPS) Always Below 1 Ω C-1a - GP-1a Always Below 1 Ω C-1 - Body ground Always 10 kΩ or higher C-1a - Body ground Always 10 kΩ or higher

       Result
       Proceed to OK NG

    
    

    OK

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    NG

    REPLACE NO. 1 ANTENNA CORD SUB-ASSEMBLY Click here