2010 Cadillac CTS Sedan AWD V6-3.6L Page 344
11. Ignition OFF, TV OFF, connect the harness connector at the TV antenna amplifier.
12. Ignition ON, TV ON, wait 20 seconds, test for more than 1 volt at the TV antenna coax cable center conductors.
瀚慖f less than the specified value, replace the TV antenna amplifier.
13. If all circuits test normal, replace the inoperative TV antenna.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Television Antenna Amplifier Replacement (See: Accessories and Optional Equipment/Antenna/Antenna Amplifier/Service and Repair)
* Television Antenna Cable Replacement (See: Accessories and Optional Equipment/Antenna/Antenna, TV/Service and Repair)
B1284
DTC B1283-B1286
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
DTC Descriptors
DTC B1283 00
- Television Antenna 1 Performance
DTC B1284 00
- Television Antenna 2 Performance
DTC B1285 00
- Television Antenna 3 Performance
DTC B1286 00
- Television Antenna 4 Performance
Circuit/System Description
The TV antenna signal circuits consists of 4 individual coaxial cables that carry the TV signal information received by the TV antenna through the
TV antenna amplifier to the TV antenna module.
Conditions for Running the DTC
* Ignition ON.
* Battery voltage must be between 9-16 volts.
Conditions for Setting the DTC
The TV antenna module detects a open or short to ground on one or more of the 4 TV antenna coax cables for 20 seconds.
Action Taken When the DTC Sets
The TV antenna module disables all 4 coax cables when a short to ground is detected. When the TV antenna detects an open/high resistance in one
or more TV antenna coax inputs, the unaffected TV antenna coax inputs will continue to operate.
Conditions for Clearing the DTC
* The condition responsible for setting the DTC no longer exists.
* The DTC clears after the TV function has been cycled OFF then ON.
