DTC C0-40: Antenna not Connected; DTC C0-41: Antenna Shorted: Procedure

1. Check that the satellite radio antenna cord sub-assembly is securely connected to the radio receiver assembly connector.

   OK

   Satellite radio antenna cord sub-assembly is securely connected.

NG → RECONNECT CONNECTOR CORRECTLY 

OK: Go to next step 

1. Check the vehicle specifications.
   RESULT
   
   

   Result	Proceed to
   w/o Safety Connect System	A
   w/ Safety Connect System	B

B → See step   6 

A: Go to next step 

1. Disconnect the antenna cord sub-assembly (radio receiver assembly side) connector.
   Fig 1: Antenna Cord Sub-Assembly (Radio Receiver Assembly Side) Connector End View

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the No. 2 antenna cord sub-assembly (satellite antenna assembly side) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   (RADIO RECEIVER ASSEMBLY - SATELLITE ANTENNA ASSEMBLY)
   
   

   Tester Connection	Condition	Specified Condition
   1 - 1	Always	Below 1 Ω
   2 - 2	Always	Below 1 Ω
   1 - Body ground	Always	10 kΩ or higher
   2 - Body ground	Always	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *1	Front view of antenna cord sub-assembly connector (to Radio Receiver Assembly)
   *2	Front view of No. 2 antenna cord sub-assembly connector (to Satellite Antenna Assembly)

NG → See step   5 

OK: Go to next step 

1. Remove the satellite radio antenna assembly. Refer to REMOVAL .
   Fig 2: Satellite Radio Antenna Assembly Connector End View

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   1 - 2	Always	45 to 55 Ω

   TEXT IN ILLUSTRATION
   
   

   *1	Component without harness connected (Satellite Antenna Assembly)

NG → See step   9 

OK → See step   10 

1. Disconnect the antenna cord sub-assembly (radio receiver assembly side) connector.
   Fig 3: Checking Antenna Cord Sub-Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the antenna cord sub-assembly (satellite antenna assembly side) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   (RADIO RECEIVER ASSEMBLY - NO. 2 ANTENNA CORD SUB-ASSEMBLY)
   
   

   Tester Connection	Condition	Specified Condition
   1 - 1	Always	Below 1 Ω
   2 - 2	Always	Below 1 Ω
   1 - Body ground	Always	10 kΩ or higher
   2 - Body ground	Always	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *1	Front view of antenna cord sub-assembly connector (to Radio Receiver Assembly)
   *2	Front view of antenna cord sub-assembly connector (to No. 2 Antenna Cord Sub-Assembly)

NG → See step   11 

OK → See step   12 

1. Disconnect the antenna cord sub-assembly (radio receiver assembly side) connector.
   Fig 4: Checking Antenna Cord Sub-Assembly And No. 2 Antenna Cord Sub-Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the No. 2 antenna cord sub-assembly (satellite antenna assembly side) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   (RADIO RECEIVER ASSEMBLY - SATELLITE ANTENNA ASSEMBLY)
   
   

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

   TEXT IN ILLUSTRATION
   
   

   *1	Front view of antenna cord sub-assembly connector (to Radio Receiver Assembly)
   *2	Front view of No. 2 antenna cord sub-assembly connector (to Satellite Antenna Assembly)

NG → See step   8 

OK: Go to next step 

1. Remove the satellite radio antenna assembly. Refer to REMOVAL .
   Fig 5: Measuring Resistance Of Satellite Radio Antenna Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   2 - 2a	Always	45 to 55 Ω

   TEXT IN ILLUSTRATION
   
   

   *1	Component without harness connected (Satellite Antenna Assembly)

NG → See step   9 

OK → See step   10 

1. Disconnect the antenna cord sub-assembly (radio receiver assembly side) connector.
   Fig 6: Measuring Resistance Of Antenna Cord Sub-Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the antenna cord sub-assembly (satellite antenna assembly side) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

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

   TEXT IN ILLUSTRATION
   
   

   *1	Front view of antenna cord sub-assembly connector (to Radio Receiver Assembly)
   *2	Front view of antenna cord sub-assembly connector (to No. 2 Antenna Cord Sub-Assembly)

NG → See step   11 

OK → See step   12